Panasonic TDA 100, Service Manual

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13 IC DATA
13.1. IC101
Pin No. Pin Name I/O Description
1 MD1 I Clock mode setting
2 MD2 I Clock mode setting
3 Vcc-TRC*1 - Power for RTC
4 XTAL2 O Crystal oscillator terminal for built-in RTC
5 EXTAL2 I Crystal oscillator terminal for built-in RTC (*6)
6 Vcc-TRC*1 - Power for RTC
7 NMI I Nonmaskable interrupt request
8 IRQ0/IRL0/PTH[0] I External interrupt request/input port H
9 IRQ1/IRL1/PTH[1] I External interrupt request/input port H
10 IRQ2/IRL2/PTH[2] I External interrupt request/input port H
11 IRQ3/IRL3/PTH[3] I External interrupt request/input port H
12 IRQ4/PTH[4] I External interrupt request/input port H
13 D31/PTB[7] I/O Data bus/I/O port B
14 D30/PTB[6] I/O Data bus/I/O port B
15 D29/PTB[5] I/O Data bus/I/O port B
16 D28/PTB[4] I/O Data bus/I/O port B
17 D27/PTB[3] I/O Data bus/I/O port B
18 D26/PTB[2] I/O Data bus/I/O port B
19 VssQ - Power for I/O (0V)
20 D25/PTB[1] I/O Data bus/I/O port B
21 VssQ - Power for I/O (3.3V)
22 D24/PTB[0] I/O Data bus/I/O port B
23 D23/PTA[7] I/O Data bus/I/O port A
24 D22/PTA[6] I/O Data bus/I/O port A
25 D21/PTA[5] I/O Data bus/I/O port A
26 D20/PTA[4] I/O Data bus/I/O port A
27 Vss - Power supply (0V)
- Vss - Power supply (0V)
28 D19/PTA[3] I/O Data bus/I/O port A
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KX-TDA100CE