Panasonic KX-T7665NE, Руководство по обслуживанию, Страница: 24 / 47

Pin No. I/O Setting Pull-up
Processing
Contents of
Control
Remark
1 X1 I - not in use
2 X2 O - not in use
3 Vss - GND
4 OSC2 O - not in use
5 OSC1 I - 8.192MHz clock from IC2
6 TEST I - not in use
7 Vcc - Vcc
8 Reset/ I - Reset input
9 P20/IRQ4 O - CODEC chip
select
10 P21/SCK1 O - SCLK
11 P22/SI1 O - Sp Phone chip
select
12 P23/SO1 O - DATA
13 P24/SCK3 O - not in use
14 P25/RxD I Built-in not in use
15 P26/TxD O - not in use
16 P27/IRQ0 I - not in use
17 P17/IRQ3 I Built-in Hook SW L:OFF-HOOK
18 P16/IRQ2 I Built-in ASIC INT/ Low active
19 P15/IRQ1 I/O - LCD contrast 2 Cont.H/M:L Cont.L:
High"Z"
20 P14 I/O Built-in KEYOUT3 L output
21 P13/TMIG I/O Built-in KEYOUT2 L output
22 P12/TMOFH I/O Built-in KEYOUT1 L output
23 P11/TMOFL I/O Built-in KEYOUT0 L output
24 P10/TMOW O - OSC for LCD
Power 128kHz(4.096MHz/32)
25 PA3 O - side tone Cont. H:side tone ON
26 PA2 O - ASIC REN/ Low active
27 PA1 O - ASIC WEN/ Low active
28 P50/WKP0 I Built-in KEYIN0
29 P51/WKP1 I Built-in KEYIN1
30 P52/WKP2 I Built-in KEYIN2
31 P53/WKP3 I Built-in KEYIN3
32 P54/WKP4 I Built-in KEYIN4
33 P55/WKP5 I Built-in KEYIN5
34 P56/WKP6 I Built-in KEYIN6
35 P57/WKP7 I Built-in KEYIN7
36 P60 I/O Built-in DB0
37 P61 I/O Built-in DB1
38 P62 I/O Built-in DB2
39 P63 I/O Built-in DB3
40 P64 I/O Built-in DB4
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