Contents
Circuit description
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(Discontinued) For use only with PB-B03.01
Solder-in board for PB-B03.01 to generate RS232 signals for communication with the main control PC.
External interfaces
In this table, Vcc, and GND are the supply voltages. MC-21 and MC-22 are pins 21 and 22 of the PB-B03.01's microcontroller. ser-2 and ser-3 are pins 2 and 3 of PB-B03.01's serial port.
1 |
Vcc |
2 |
n.c. |
3 |
MC-22 |
4 |
ser-2 |
5 |
MC-21 |
6 |
ser-3 |
7 |
GND |
Revisions
PB-B04.02
The ribbon cable from this board has to be soldered into PB-B03.01. In the ribbon cable, wire 1 is marked green, wire 7 has a black marking on the PB-B04 board.
Changes to previous revision
New type adapter using MAX232 transceiver IC to reach real RS232 levels.
Usage information from rev.01 is still valid, but no Vdd signal is needed any more. Therefore, signal 2 of the ribbon cable is now not connected:
PB-B04.01
In this table, Vcc, Vdd, and GND are the supply voltages. MC-21 and MC-22 are pins 21 and 22 of the PB-B03.01's microcontroller. ser-2 and ser-3 are pins 2 and 3 of PB-B03.01's serial port.
1 |
Vcc |
2 |
Vdd |
3 |
MC-22 |
4 |
ser-2 |
5 |
MC-21 |
6 |
ser-3 |
7 |
GND |
CategoryElectronics CategoryPinball
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