User guide

Registers • 29
The modes below applies only to the PCI-9112 card:
Bit 3
EITS
Bit 2
TPST
Bit 1
INTX
Bit 0
DMAX
Mode & Description
0 0 0 0 Software Trigger & Polling
0 1 0 1 Timer Pacer Trigger & DMA
0 1 1 0 Timer Pacer Trigger & INT
1 X 0 0 External Trigger & Polling
1 X 0 1 External Trigger & DMA
1 X 1 0 External Trigger & INT
Auto-Scan: (Bit 4)
0: Auto Scan is disabled. Only channel [M3 M2 M1 M0] is converted only
1: The converted channel will be selected by the sequence [M3 M2 M1
M0] to 0, for example, the MUX register is [0110] and the auto-scan bit
is enabled, then the channel scan sequence is:
CH6, CH5, CH4, CH3, CH2, CH1, CH0, CH6, CH5,
MUX Register: (Bit8 ~ Bit5)
The converted A/D channel is controlled by the registers MUX, the format of
MUX is shown below.
Bit 8 M3 Bit 7 M2 Bit 6 M1 Bit 5 M0 Channel No.
0 0 0 0 CH0
0 0 0 1 CH1
0 0 1 0 CH2
... ... ... ... ...
1 1 1 0 CH14
1 1 1 1 CH15
Note: Single-ended mode: channel is selected from CH0 ~ CH15.
Differential mode: channel is selected from CH0 ~ CH7.