Casio TE-3000S Service Manual page 25

5-8-3. Pin Function
PIN NO. PIN NAME
1 P120/RTP0
2 P121/RTP1
3 P122/RTP2
4 P123/RTP3
5 P124/RTP4
6 P125/RTP5
7 P126/RTP6
8 P127/RTP7
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
15 RESET
16 P00/INTP0
17 P01/INTP1
18 P02/INTP2/NMI
19 P03/INTP3
20 P04/INTP4
21 P05/INTP5
22 P06/INTP6
23 AVDD
24 AVREF0
25 P10/ANI0
26 P11/ANI1
27 P12/ANI2
28 P13/ANI3
29 P14/ANI4
30 P15/ANI5
31 P16/ANI6
32 P17/ANI7
33 AVSS
34 P130/ANO0
35 P131/ANO1
36 AVREF1
37 P70/RxD2/SI2
38 P71/TxD2/SO2
39 P72/ASCK2/SCK2
40 P20/RxD1/SI1
41 P21/TxD1/SO1
42 P22/ASCK1/SCK1
43 P23/PCL
44 P24/BUZ
45 P25/SI0/SDA0
46 P26/SO0
47 P27/SCK0/SCL0
48 P80/A0
49 P81/A1
50 P82/A2
I/O
IO 8 bit input/output PORT
- Power Supply
-
Main system Clock
I
- GND
-
Sub system Clock
I
I Reset
IO 7 bit input/output PORT
- A/D CONVERTER POWER SUPPLY
- Application of Standard Voltage for A/D CONVERTER
I 8 bit input PORT
A/D CONVERTER & D/A CONVERTER GND
IO 2 bit input/output PORT
Application of Standard Voltage for D/A CONVERTER
IO 3 bit input/output PORT
IO 8 bit input/output PORT
IO 8 bit input/output PORT
— 23 —
DESCRIPTION