Z-World Fox LP3500 User Manual page 133

Once you establish that the programming port will never again be needed for program-
ming, it is possible to use the programming port for additional I/O lines. Table F-1 lists the
pins available for this alternate configuration.
Table F-1. LP3500 Programming Port Configurations
Pin Pin Name
1 RXA
2 GND
3 CLKA
4 VCC
5 RESET
6 TXA
8 STATUS
9 SMODE0
10 SMODE1
User's Manual
Default Use
Serial Port A
Serial Port A
Alternate Use
PC6—Output
PB1—Bitwise or parallel
programmable input
PC7—Input
Output
Input
Input
Notes
Connected to reset genera-
tor U1 on LP3500 module
Must be low when LP3500
boots up
Must be low when LP3500
boots up
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