D7 

D6 

D5 

D4 

D3 

D2 

D1 

D0 

CM1 

CM0 

X 

X 

DIN3 

DIN2
GATE0 

DIN1 

DIN0 

NAME 

DIRECTION 

DEFAULT 

DESCRIPTION 

CM[1:0] 

r 

M0 

Compatibility mode. These bits are set to zero for DAS16jr/16 mode. These bits are set to one for DAS1602 mode compatibility. 

X 

- 

- 

Don't Care 

DIN[3:0] 

r 

0000 

Digital Inputs.
DIN0 also functions as an ADC external trigger input. As a trigger input, it is deglitched by an internal match-filter and requires a minimum pulse width of no less than 200nS. See the Interrupt Summary section for further functionality.
DIN2 also functions as counter-zero gate input. 

BIT NAME 

DIRECTION 

CONNECTOR PIN POSITION 

PHYSICAL I/O TYPE 

DIN3 

<--- 

J7.11 

TTL Input 

DIN2 

<--- 

J7.10 

TTL Input 

DIN1 

<--- 

J7.9 

TTL Input 

DIN0 

<--- 

J7.12 

TTL Input 

BIT NAME 

DIRECTION 

CONNECTOR PIN POSITION 

PHYSICAL I/O TYPE 

DIN3 

<--- 

J7.9 

TTL Input 

DIN2 

<--- 

J7.10 

TTL Input 

DIN1 

<--- 

J7.11 

TTL Input 

DIN0 

<--- 

J7.12 

TTL Input