1.3
SPECIFICATIONS
1.3.1
Electrical
Bus In ter face : PC/104 8- Bit (op tional 16- bit con nec tor avail able for ex panded in ter rupt ca pa bil ity)
VCC :
+5V +/-5% @ 90mA. typ. all chan nels RS- 232
120ma typ. all chan nels RS- 422
I/O Ad dress ing :
PLD Con trolled I/O ad dress uses 10- bit ad dress. Each se rial chan nel re quires 8
con secu tive I/O port ad dresses.
Par al lel port re quires 4 con secu tive I/O port ad dresses.
1.3.2
Mechanical
Di men sions :
3.8" X 3.8" X 0.5"
PC Board : FR4 Ep oxy Glass, with 2 sig nal lay ers with screened com po nent leg end, and plated
through holes.
Jump ers :
0.025" square posts on 0.10" cen ters
Se rial I/O Con nec tor : 20 pin 0.10" grid RN type IDH- 20- LP
Par al lel I/O Con nec tor : 26 pin 0.10" grid RN type IDH- 26- LP
1.3.3
Environmental
Op er at ing Tem pera ture : -40° to +85°C
Non- Condensing Rela tive Hu mid ity : 5% to 95%
Page 1-2
PCM-DSPIO/J1708 OPERATIONS MANUAL
981117
WinSystems - "The Embedded Systems Authority"
