ADLINK PCM-9112+ User Manual

Page 37

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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.

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