
232BRC-0812 Manual Appendix B B-1
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91 792444 – Fax +353 91 792445
Appendix B: Block Diagram
232BRC Block Diagram
Microcontroller
UART
3 2 7 8 4 6 5
TD
RD
RTS
CTS
DTR
DSR
GND
32K SRAM
PORT A
UART
3 2 7 8 4 6 5
TD
RD
RTS
CTS
DTR
DSR
GND
EEPROM
Female DB9
PORT B
Male DB9
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