ICP DAS USA PCIe-8620, Руководство пользователя

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High-speed Multifunction Boards
User Manual, Ver. 1.0, May 2015, PMH-029-10 Page 51
6.3.3 Analog Input Registers
Register 6.3.3-1 Base+0x00 Read AI FIFO Data
Bit Description Read
0:15 FIFO Read. Read the Analog Input data to specified FIFO. Yes
16:31 Reserved. Yes
Register 6.3.3-2 Base+0x04 AI FIFO Control Status
Bit Description Read Write
0:10
FIFO Count and Clear. Read the FIFO data count to specified
FIFO. Write a 0 to clear data to specified FIFO.
Yes Yes
11 FIFO Full. Reading a 1 indicates a FIFO status is full. Yes No
12 FIFO Empty. Reading a 1 indicates a FIFO status is empty. Yes No
13:31 Reserved. Yes No
Register 6.3.3-3 Base+0x08 Analog Input Internal Clock Control/Status
Bit Description Read Write
0:31
Set Div Clock. Indicates the (WORD)((Base Clock/Sampling
Rate)-1) to set internal pacer clock during an Analog Input
operation.
Yes Yes
Register 6.3.3-4 Base+0x0C AI Scan Mode Control/Status
Bit Description Read Write
0:3
Total Scan Channel Number. Indicates the number of channels
to MagicScan. Writing a N indicates an 0 to N channels. Ex.
Writing a 15 indicates 0 to 15 channel. Writing an 9 indicates 0
to 9 channel.
Yes Yes
4:6 Reserved. Yes No
7
Analog Input Range. Writing 1 indicates a bipolar 10 V, Writing 0
indicates a bipolar 5 V.
Yes Yes
8 Pacer Trigger Start Status. Yes No
9
ADC Status. Reading a 1 indicates a ADC Status is ready. Reading
a 0 indicates a ADC Status is busy.
10:11 Reserved. Yes No
12
Pacer Trigger Source. Writing 1 indicates an external clock,
Writing 0 indicates an external clock.
Yes Yes
13:31 Reserved. Yes No