Chapter 2
Product Overview
10
Reference Manual
CoreModule 745
Figure 2-4. Component Locations (Bottom Side)
Header, Connector, and Socket Definitions
describes the headers and connectors of the CoreModule 745 shown in
.
Table 2-2. Module Header, Connector, and Socket Descriptions
Header #
Board
Access
Description
J1 A, B, C, D –
PC/104-Plus
Top/Bottom
120-pin, 0.079" (2mm) connector used for PC/104-Plus signals
J2 A, B, C, D –
PC/104
Top/Bottom
104-pin, connector used for PC/104 signals
J3 – COM1 Serial
Top
10-pin, 0.079" (2mm) shrouded header used for COM1 signals
J4 – COM2 Serial
Top
10-pin, 0.079" (2mm) shrouded header used for COM2 signals
J5 – COM3 Serial
Top
10-pin, 0.079" (2mm) shrouded header used for COM3 signals
J6 – Battery
Top
2-pin, 0.049" (1.25mm) shrouded header for power from external
battery
CM745_Bottom_Comp_b
Key:
U11
- RS-232 Transceiver (COM1 and COM2)
U12
- RS-422/485 Transceiver (COM1 and COM2)
U17
- CPLD (Complex Programmable Logic Device)
U32
- SPI Flash
U38
- RS-232 Transceiver (COM3)
U17
U32
U12 U11
U38