B&B Electronics 232BSS4 - Appendix C: Block Diagram

Documentation Number 232BSS42907 Manual Appendix C C-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 Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Appendix C: Block Diagram
232BSS4 Block Diagram
PORT APORT BPORT CPORT D
Microcontroller
UART UART UART UART
32786145
TD
RD
RTS
CTS
DSR
DCD
DTR
GND
32786145
TD
RD
RTS
CTS
DSR
DCD
DTR
GND
32786145
TD
RD
RTS
CTS
DSR
DCD
DTR
GND
32786145
TD
RD
RTS
CTS
DSR
DCD
DTR
GND
UART
64K RAM
23456820 7
TD
RD
RTS
CTS
MASTER
DSR
DCD
DTR
GND