4.2.2.3.9.2.2. Project - v0.94_250
Red Pitaya HDL design has multiple functions, which are configured by registers. It also uses memory locations to store capture data and generate output signals. All of these are described in this document. The memory location is written in a way that is seen by SW.
The table describes address space partitioning implemented on FPGA via the AXI GP0 interface. All registers have offsets aligned to 4 bytes and are 32-bit wide. Granularity is 32-bit, meaning that the minimum transfer size is 4 bytes. The organization is a little-endian. The memory block is divided into 8 parts. Each part is occupied by an individual IP core. The address space of individual applications is described in the subsection below. The size of each IP core address space is 4 MBytes. For additional information and better understanding check other documents (schematics, specifications…).
Start |
End |
Module Name |
|
---|---|---|---|
CS[0] |
0x40000000 |
0x400FFFFF |
Housekeeping |
CS[1] |
0x40100000 |
0x401FFFFF |
Oscilloscope |
CS[2] |
0x40200000 |
0x402FFFFF |
Arbitrary signal generator (ASG) |
CS[3] |
0x40300000 |
0x403FFFFF |
PID controller |
CS[4] |
0x40400000 |
0x404FFFFF |
Analog mixed signals (AMS) |
CS[5] |
0x40500000 |
0x405FFFFF |
Daisy chain |
CS[6] |
0x40600000 |
0x406FFFFF |
FREE |
CS[7] |
0x40700000 |
0x407FFFFF |
Power test |
4.2.2.3.9.2.2.1. Housekeeping
offset |
description |
bits |
R/W |
---|---|---|---|
0x0 |
ID |
||
Reserved |
31:4 |
R |
|
Design ID |
3:0 |
R |
|
0 -prototype |
|||
1 -release |
|||
0x4 |
DNA part 1 |
||
DNA[31:0] |
31:0 |
R |
|
0x8 |
DNA part 2 |
||
Reserved |
31:25 |
R |
|
DNA[56:32] |
24:0 |
R |
|
0xC |
Digital Loopback |
||
Reserved |
31:1 |
R |
|
digital_loop |
0 |
R/W |
|
0x10 |
Expansion connector direction P |
||
Reserved |
31:8 |
R |
|
Direction for P lines |
7:0 |
R/W |
|
1-out |
|||
0-in |
|||
0x14 |
Expansion connector direction N |
||
Reserved |
31:8 |
R |
|
Direction for N lines |
7:0 |
R/W |
|
1-out |
|||
0-in |
|||
0x18 |
Expansion connector output P |
||
Reserved |
31:8 |
R |
|
P pins output |
7:0 |
R/W |
|
0x1C |
Expansion connector output N |
||
Reserved |
31:8 |
R |
|
N pins output |
7:0 |
R/W |
|
0x20 |
Expansion connector input P |
||
Reserved |
31:8 |
R |
|
P pins input |
7:0 |
R |
|
0x24 |
Expansion connector input N |
||
Reserved |
31:8 |
R |
|
N pins input |
7:0 |
R |
|
0x30 |
LED control |
||
Reserved |
31:8 |
R |
|
LEDs 7-0 |
7:0 |
R/W |
|
0x40 |
PLL control |
||
Reserved |
31:9 |
R |
|
Locked |
8 |
R |
|
Reserved |
7:5 |
R |
|
Reference detected |
4 |
R |
|
Reserved |
3:1 |
R |
|
Enable |
0 |
R/W |
|
0x44 |
IDELAY reset |
||
Reserved |
31:15 |
R |
|
CHB[6:0] idelay reset |
14:8 |
R |
|
Reserved |
7 |
R |
|
CHA[6:0] idelay reset |
6:0 |
R/W |
|
0x48 |
IDELAY CHA |
||
Reserved |
31:15 |
R |
|
CHA[6:0] inc/dec |
14:8 |
W |
|
Reserved |
7 |
R |
|
CHA[6:0] idelay enable |
6:0 |
W |
|
CHA[0] idelay stage |
4:0 |
R |
|
0x4C |
IDELAY CHB |
||
Reserved |
31:15 |
R |
|
CHB[6:0] inc/dec |
14:8 |
W |
|
Reserved |
7 |
R |
|
CHB[6:0] idelay enable |
6:0 |
W |
|
CHB[0] idelay stage |
4:0 |
R |
|
0x50 |
ADC SPI |
||
Reserved |
31:16 |
R |
|
Control word |
15:0 |
R/W |
|
0x54 |
ADC SPI |
||
Reserved |
31:16 |
R |
|
Write data / start transfer |
15:0 |
R/W |
|
0x58 |
ADC SPI |
||
Reserved |
31:17 |
R |
|
Transfer busy |
16 |
R |
|
Read data |
15:0 |
R/W |
|
0x60 |
DAC SPI |
||
Reserved |
31:16 |
R |
|
Control word |
15:0 |
R/W |
|
0x64 |
DAC SPI |
||
Reserved |
31:16 |
R |
|
Write data / start transfer |
15:0 |
R/W |
|
0x68 |
DAC SPI |
||
Reserved |
31:17 |
R |
|
Transfer busy |
16 |
R |
|
Read data |
15:0 |
R/W |
|
0x100 |
FPGA ready |
||
Reserved |
31:1 |
R |
|
Programmable logic is out of reset |
0 |
R |
|
0x1000 |
External trigger override |
||
Reserved |
31:3 |
R |
|
Trigger output selector 1: DAC trigger, 0: ADC trigger |
2 |
R/W |
|
Override GPIO_N_0 to output ADC or DAC trigger |
1 |
R/W |
|
Enable sending and receiving external trigger through daisy chain connectors 1: enable, 0: disable |
0 |
R/W |
4.2.2.3.9.2.2.2. Oscilloscope
offset |
description |
bits |
R/W |
---|---|---|---|
0x0 |
Configuration * |
||
Reserved |
31:5 |
R |
|
ACQ delay has passed / (all data was written to buffer) |
4 |
R |
|
Trigger remains armed after ACQ delay passes |
3 |
W |
|
Trigger has arrived stays on (1) until next arm or reset |
2 |
R |
|
Reset write state machine |
1 |
W |
|
Start writing data into memory (ARM trigger). |
0 |
W |
|
0x4 |
Trigger source * |
||
Selects trigger source for data capture. When trigger delay is ended value goes to 0. |
|||
Reserved |
31:4 |
R |
|
Trigger source
1 - trig immediately
2 - ch A threshold positive edge
3 - ch A threshold negative edge
4 - ch B threshold positive edge
5 - ch B threshold negative edge
6 - external trigger positive edge - DIO0_P pin
7 - external trigger negative edge
8 - arbitrary wave generator application positive edge
9 - arbitrary wave generator application
negative edge
10- ch C threshold positive edge
11- ch C threshold negative edge
12- ch D threshold positive edge
13- ch D threshold negative edge
|
3:0 |
R/W |
|
0x8 |
Ch A threshold |
||
Reserved |
31:14 |
R |
|
Ch A threshold, makes trigger when ADC value cross this value |
13:0 |
R/W |
|
0xC |
Ch B threshold |
||
Reserved |
31:14 |
R |
|
Ch B threshold, makes trigger when ADC value cross this value |
13:0 |
R/W |
|
0x10 |
Delay after trigger * |
||
Number of decimated data after trigger written into memory |
31:0 |
R/W |
|
0x14 |
Data decimation * |
||
Decimate input data, uses data average |
|||
Reserved |
31:17 |
R |
|
Data decimation: Values 1, 2, 4, 8 are supported for values less than 16. Above 16, averaging of any number of samples is supported. |
16:0 |
R/W |
|
0x18 |
Write pointer - current |
||
Reserved |
31:14 |
R |
|
Current write pointer |
13:0 |
R |
|
0x1C |
Write pointer - trigger |
||
Reserved |
31:14 |
R |
|
Write pointer at time when trigger arrived |
13:0 |
R |
|
0x20 |
Ch A hysteresis |
||
Reserved |
31:14 |
R |
|
Ch A threshold hysteresis. Value must be outside to enable trigger again. |
13:0 |
R/W |
|
0x24 |
Ch B hysteresis |
||
Reserved |
31:14 |
R |
|
Ch B threshold hysteresis. Value must be outside to enable trigger again. |
13:0 |
R/W |
|
0x28 |
Other |
||
Reserved Enable signal average at decimation |
31:1 0 |
R R/W |
|
0x2C |
PreTrigger Counter |
||
This unsigned counter holds the number of samples captured between the start of acquire and trigger. The value does not overflow, instead it stops incrementing at 0xffffffff. |
31:0 |
R |
|
0x30 |
CH A Equalization filter |
||
Reserved |
31:18 |
R |
|
AA Coefficient |
17:0 |
R/W |
|
0x34 |
CH A Equalization filter |
||
Reserved |
31:25 |
R |
|
BB Coefficient |
24:0 |
R/W |
|
0x38 |
CH A Equalization filter |
||
Reserved |
31:25 |
R |
|
KK Coefficient |
24:0 |
R/W |
|
0x3C |
CH A Equalization filter |
||
Reserved |
31:25 |
R |
|
PP Coefficient |
24:0 |
R/W |
|
0x40 |
CH B Equalization filter |
||
Reserved |
31:18 |
R |
|
AA Coefficient |
17:0 |
R/W |
|
0x44 |
CH B Equalization filter |
||
Reserved |
31:25 |
R |
|
BB Coefficient |
24:0 |
R/W |
|
0x48 |
CH B Equalization filter |
||
Reserved |
31:25 |
R |
|
KK Coefficient |
24:0 |
R/W |
|
0x4C |
CH B Equalization filter |
||
Reserved |
31:25 |
R |
|
PP Coefficient |
24:0 |
R/W |
|
0x50 |
CH A AXI lower address |
||
Starting writing address |
31:0 |
R/W |
|
0x54 |
CH A AXI upper address |
||
Address where it jumps to lower |
31:0 |
R/W |
|
0x58 |
CH A AXI delay after trigger |
||
Number of decimated data after trigger written into memory |
31:0 |
R/W |
|
0x5C |
CH A AXI enable master |
||
Reserved |
31:1 |
R |
|
Enable AXI master |
0 |
R/W |
|
0x60 |
CH A AXI write pointer - trigger |
||
Write pointer at time when trigger arrived |
31:0 |
R |
|
0x64 |
CH A AXI write pointer - current |
||
Current write pointer |
31:0 |
R |
|
0x70 |
CH B AXI lower address |
||
Starting writing address |
31:0 |
R/W |
|
0x74 |
CH B AXI upper address |
||
Address where it jumps to lower |
31:0 |
R/W |
|
0x78 |
CH B AXI delay after trigger |
||
Number of decimated data after trigger written into memory |
31:0 |
R/W |
|
0x7C |
CH B AXI enable master |
||
Reserved |
31:1 |
R |
|
Enable AXI master |
0 |
R/W |
|
0x80 |
CH B AXI write pointer - trigger |
||
Write pointer at time when trigger arrived |
31:0 |
R |
|
0x84 |
CH B AXI write pointer - current |
||
Current write pointer |
31:0 |
R |
|
0x88 |
AXI state registers |
||
Reserved |
31:21 |
R |
|
CH B AXI - ACQ delay has passed / (all data was written to buffer) |
20 |
R |
|
CH B AXI - Trigger remains armed / after ACQ delay passes |
19 |
R |
|
CH B AXI - Trigger has arrived stays on (1) until next arm or reset |
18 |
R |
|
Reserved |
17 |
R |
|
CH A AXI - Trigger armed |
16 |
R |
|
Reserved |
15:5 |
R |
|
CH A AXI - ACQ delay has passed / (all data was written to buffer) |
4 |
R |
|
CH A AXI - Trigger remains armed / after ACQ delay passes |
3 |
R |
|
CH A AXI - Trigger has arrived stays on (1) until next arm or reset |
2 |
R |
|
Reserved |
1 |
R |
|
CH A AXI - Trigger armed |
0 |
R |
|
0x90 |
Trigger debouncer time |
||
Number of ADC clock periods trigger is disabled after activation reset value is decimal 62500 or equivalent to 0.5ms |
19:0 |
R/W |
|
0xA0 |
Accumulator data sequence length |
||
Reserved |
31:14 |
R |
|
0xA4 |
Accumulator data offset corection ChA |
||
Reserved |
31:14 |
R |
|
signed offset value |
13:0 |
R/W |
|
0xA8 |
Accumulator data offset corection ChB |
||
Reserved |
31:14 |
R |
|
signed offset value |
13:0 |
R/W |
|
0x10000 to 0x1FFFC |
Memory data (16k samples) |
||
Reserved |
31:16 |
R |
|
Captured data for ch A |
15:0 |
R |
|
0x20000 to 0x2FFFC |
Memory data (16k samples) |
||
Reserved |
31:16 |
R |
|
Captured data for ch B |
15:0 |
R |
4.2.2.3.9.2.2.3. Arbitrary Signal Generator (ASG)
offset |
description |
bits |
R/W |
---|---|---|---|
0x0 |
Configuration |
||
Reserved |
31:28 |
R |
|
ch B runtime temp. alarm |
27 |
R |
|
ch B latched temp. alarm |
26 |
R/W |
|
ch B enable temp. protection |
25 |
R/W |
|
ch B external gated repetitions |
24 |
R/W |
|
ch B set output to 0 |
23 |
R/W |
|
ch B SM reset |
22 |
R/W |
|
Reserved |
21 |
R/W |
|
ch B SM wrap pointer (if disabled starts at address0 ) |
20 |
R/W |
|
ch B trigger selector: (don’t change when SM is
active)
1-trig immediately
2-external trigger positive edge - DIO0_P pin
3-external trigger negative edge
|
19:16 |
R/W |
|
Reserved |
15:12 |
R |
|
ch A runtime temp. alarm |
11 |
R |
|
ch A latched temp. alarm |
10 |
R/W |
|
ch A enable temp. protection |
9 |
R/W |
|
ch A external gated bursts |
8 |
R/W |
|
ch A set output to 0 |
7 |
R/W |
|
ch A SM reset |
6 |
R/W |
|
Reserved |
5 |
R/W |
|
ch A SM wrap pointer (if disabled starts at address 0) |
4 |
R/W |
|
ch A trigger selector: (don’t change when SM is
active)
1-trig immediately
2-external trigger positive edge - DIO0_P pin
3-external trigger negative edge
|
3:0 |
R/W |
|
0x4 |
Ch A amplitude scale and offset |
||
out = (data*scale)/0x2000 + offset |
|||
Reserved |
31:30 |
R |
|
Amplitude offset |
29:16 |
R/W |
|
Reserved |
15:14 |
R |
|
Amplitude scale. 0x2000 == multiply by 1. Unsigned |
13:0 |
R/W |
|
0x8 |
Ch A counter wrap |
||
Reserved |
31:30 |
R |
|
Value where counter wraps around. Depends on SM wrap setting. If it is 1 new value is get by wrap, if value is 0 counter goes to offset value. 16 bits for decimals. |
29:0 |
R/W |
|
0xC |
Ch A start offset |
||
Reserved |
31:30 |
R |
|
Counter start offset. Start offset when trigger arrives. 16 bits for decimals. |
29:0 |
R/W |
|
0x10 |
Ch A counter step |
||
Reserved |
31:30 |
R |
|
Counter step. 16 bits for decimals. |
29:0 |
R/W |
|
0x14 |
Ch A counter step- lower bits |
||
Counter step read |
31:0 |
R |
|
0x18 |
Ch A number of read cycles in one burst |
||
Reserved |
31:16 |
R |
|
Number of repeats of table readout. 0=infinite |
15:0 |
R/W |
|
0x1C |
Ch A number of burst repetitions |
||
Reserved |
31:16 |
R |
|
Number of repetitions. 0=disabled 0xffff=infinite |
15:0 |
R/W |
|
0x20 |
Ch A delay between burst repetitions |
||
Delay between repetitions. Granularity=1us |
31:0 |
R/W |
|
0x24 |
Ch B amplitude scale and offset |
||
out = (data*scale)/0x2000 + offset |
|||
Reserved |
31:30 |
R |
|
Amplitude offset |
29:16 |
R/W |
|
Reserved |
15:14 |
R |
|
Amplitude scale. 0x2000 == multiply by 1. Unsigned |
13:0 |
R/W |
|
0x28 |
Ch B counter wrap |
||
Reserved |
31:30 |
R |
|
Value where counter wraps around. Depends on SM wrap setting. If it is 1 new value is get by wrap, if value is 0 counter goes to offset value. 16 bits for decimals. |
29:0 |
R/W |
|
0x2C |
Ch B start offset |
||
Reserved |
31:30 |
R |
|
Counter start offset. Start offset when trigger arrives. 16 bits for decimals. |
29:0 |
R/W |
|
0x30 |
Ch B counter step |
||
Reserved |
31:30 |
R |
|
Counter step. 16 bits for decimals. |
29:0 |
R/W |
|
0x34 |
Ch B counter step- lower bits |
||
Counter step read |
31:0 |
R |
|
0x38 |
Ch B number of read cycles in one burst |
||
Reserved |
31:16 |
R |
|
Number of repeats of table readout. 0=infinite |
15:0 |
R/W |
|
0x3C |
Ch B number of burst repetitions |
||
Reserved |
31:16 |
R |
|
Number of repetitions. 0=disabled 0xffff=infinite |
15:0 |
R/W |
|
0x40 |
Ch B delay between burst repetitions |
||
Delay between repetitions. Granularity=1us |
31:0 |
R/W |
|
0x44 |
Ch A value of last sample in burst |
||
Reserved |
31:14 |
R |
|
Last value of burst |
13:0 |
R/W |
|
0x48 |
Ch B value of last sample in burst |
||
Reserved |
31:14 |
R |
|
Last value of burst |
13:0 |
R/W |
|
0x4C |
Ch A counter step- lower bits |
||
Counter step write |
31:0 |
W |
|
0x50 |
Ch B counter step- lower bits |
||
Counter step write |
31:0 |
W |
|
0x54 |
External trigger debouncer |
||
Number of ADC clock periods trigger is disabled after activation. Default value is decimal 62500 or equivalent to 0.5ms |
19:0 |
R/W |
|
0x60 |
Ch A buffer current read pointer |
||
Reserved |
31:16 |
R |
|
Read pointer |
15:2 |
R/W |
|
Reserved |
1:0 |
R |
|
0x64 |
Ch B buffer current read pointer |
||
Reserved |
31:16 |
R |
|
Read pointer |
15:2 |
R/W |
|
Reserved |
1:0 |
R |
|
0x68 |
Ch A initial value of generator |
||
Reserved |
31:14 |
R |
|
First value |
13:0 |
R/W |
|
0x6C |
Ch B initial value of generator |
||
Reserved |
31:14 |
R |
|
First value |
13:0 |
R/W |
|
0x10000 to 0x1FFFC |
Ch A memory data (16k samples) |
||
Reserved |
31:14 |
R |
|
ch A data |
13:0 |
R/W |
|
0x20000 to 0x2FFFC |
Ch B memory data (16k samples) |
||
Reserved |
31:14 |
R |
|
ch B data |
13:0 |
R/W |
4.2.2.3.9.2.2.4. PID Controller
offset |
description |
bits |
R/W |
---|---|---|---|
0x0 |
Configuration |
||
Reserved |
31:4 |
R |
|
PID22 integrator reset |
3 |
R/W |
|
PID21 integrator reset |
2 |
R/W |
|
PID12 integrator reset |
1 |
R/W |
|
PID11 integrator reset |
0 |
R/W |
|
0x10 |
PID11 set point |
||
Reserved |
31:14 |
R |
|
PID11 set point |
13:0 |
R/W |
|
0x14 |
PID11 proportional coefficient |
||
Reserved |
31:14 |
R |
|
PID11 Kp |
13:0 |
R/W |
|
0x18 |
PID11 integral coefficient |
||
Reserved |
31:14 |
R |
|
PID11 Ki |
13:0 |
R/W |
|
0x1C |
PID11 derivative coefficient |
||
Reserved |
31:14 |
R |
|
PID11 Kd |
13:0 |
R/W |
|
0x20 |
PID12 set point |
||
Reserved |
31:14 |
R |
|
PID12 set point |
13:0 |
R/W |
|
0x24 |
PID12 proportional coefficient |
||
Reserved |
31:14 |
R |
|
PID12 Kp |
13:0 |
R/W |
|
0x28 |
PID12 integral coefficient |
||
Reserved |
31:14 |
R |
|
PID12 Ki |
13:0 |
R/W |
|
0x2C |
PID12 derivative coefficient |
||
Reserved |
31:14 |
R |
|
PID12 Kd |
13:0 |
R/W |
|
0x30 |
PID21 set point |
||
Reserved |
31:14 |
R |
|
PID21 set point |
13:0 |
R/W |
|
0x34 |
PID21 proportional coefficient |
||
Reserved |
31:14 |
R |
|
PID21 Kp |
13:0 |
R/W |
|
0x38 |
PID21 integral coefficient |
||
Reserved |
31:14 |
R |
|
PID21 Ki |
13:0 |
R/W |
|
0x3C |
PID21 derivative coefficient |
||
Reserved |
31:14 |
R |
|
PID21 Kd |
13:0 |
R/W |
|
0x40 |
PID22 set point |
||
Reserved |
31:14 |
R |
|
PID22 set point |
13:0 |
R/W |
|
0x44 |
PID22 proportional coefficient |
||
Reserved |
31:14 |
R |
|
PID22 Kp |
13:0 |
R/W |
|
0x48 |
PID22 integral coefficient |
||
Reserved |
31:14 |
R |
|
PID22 Ki |
13:0 |
R/W |
|
0x4C |
PID22 derivative coefficient |
||
Reserved |
31:14 |
R |
|
PID22 Kd |
13:0 |
R/W |
4.2.2.3.9.2.2.5. Analog Mixed Signals (AMS)
offset |
description |
bits |
R/W |
---|---|---|---|
0x0 |
XADC AIF0 (disabled) |
||
Reserved |
31:12 |
R |
|
AIF0 value |
11:0 |
R |
|
0x4 |
XADC AIF1 (disabled) |
||
Reserved |
31:12 |
R |
|
AIF1 value |
11:0 |
R |
|
0x8 |
XADC AIF2 (disabled) |
||
Reserved |
31:12 |
R |
|
AIF2 value |
11:0 |
R |
|
0xC |
XADC AIF3 (disabled) |
||
Reserved |
31:12 |
R |
|
AIF3 value |
11:0 |
R |
|
0x10 |
XADC AIF4 (disabled) |
||
Reserved |
31:12 |
R |
|
AIF4 value (5V power supply) |
11:0 |
R |
|
0x20 |
PWM DAC0 |
||
Reserved |
31:24 |
R |
|
PWM value (100% == 255) |
23:16 |
R/W |
|
Bit select for PWM repetition which have value PWM+1 |
15:0 |
R/W |
|
0x24 |
PWM DAC1 |
||
Reserved |
31:24 |
R |
|
PWM value (100% == 255) |
23:16 |
R/W |
|
Bit select for PWM repetition which have value PWM+1 |
15:0 |
R/W |
|
0x28 |
PWM DAC2 |
||
Reserved |
31:24 |
R |
|
PWM value (100% == 255) |
23:16 |
R/W |
|
Bit select for PWM repetition which have value PWM+1 |
15:0 |
R/W |
|
0x2C |
PWM DAC3 |
||
Reserved |
31:24 |
R |
|
PWM value (100% == 255) |
23:16 |
R/W |
|
Bit select for PWM repetition which have value PWM+1 |
15:0 |
R/W |
4.2.2.3.9.2.2.6. Daisy Chain
offset |
description |
bits |
R/W |
---|---|---|---|
0x0 |
Control |
||
Reserved |
31:2 |
R |
|
RX enable |
1 |
R/W |
|
TX enable |
0 |
R/W |
|
0x4 |
Transmitter data selector |
||
Custom data |
31:1 |
R/W |
|
Reserved |
15:8 |
R |
|
Data source
0 - data is 0
1 - user data (from logic)
2 - custom data (from this register)
3 - training data (0x00FF)
4 - transmit received data (loop back)
5 - random data (for testing)
|
3:0 |
R/W |
|
0x8 |
Receiver training |
||
Reserved |
31:2 |
R |
|
Training successful |
1 |
R |
|
Enable training |
0 |
R/W |
|
0xC |
Received data |
||
Received data which is different than 0 |
31:1 |
R |
|
Received raw data |
15:0 |
R |
|
0x10 |
Testing control |
||
Reserved |
31:1 |
R |
|
Reset testing counters (error & data) |
0 |
R/W |
|
0x14 |
Testing error counter |
||
Error increases if received data is not the same as transmitted testing data |
31:0 |
R |
|
0x18 |
Testing data counter |
||
Counter increases when value different as 0 is received |
31:0 |
R |
4.2.2.3.9.2.2.7. Power Test
offset |
description |
bits |
R/W |
---|---|---|---|
0x0 |
Control |
||
Reserved |
31:1 |
R |
|
Enable module |
0 |
R/W |