Multitone RPR 583, Техническое руководство

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RPR 583
TM1212 Issue 1 Page 5 - 20
Pin Number Pin Name Description
1 P30 PGM - programming input
2 P31 BEEP - output signal
3 P32 ROM-CE - CGROM (IC2) chip enable€
4 P33 RAM-CE - SRAM (IC4) chip enable
5 P34 LCD-CS - Display chip select
6 P35 µP (IC3) low current mode switch
7 P36 Vibrate Motor - output signal
8 P37 Lamp - output signal
9 VSS Ground
10-12 P40-P42 SW1-SW3 - input signal
13,14,16,17 NC Not Used
15 P45 µP (IC3) low current mode switch
18-23,25-34,38,39 P50-P57,P60-P67,P02,P03 Address lines AD00-AD17
24 VSS Ground
35 RESET µP reset - input signal
36 P00 AREA (No valid data) - input signal
37 P01 ATTN (Valid data) - input signal
40 VDD VDD
41 X2 Xtal oscillator
42 X1 Xtal oscillator
43,46 VPP/IC,AVSS Ground
44 NC Not Used
45 P04/XT1 Clock - input signal
47-54 D00-D07 Data lines
55 AVDD VDD
56 AVR Ground
57 P20 SDO - Data input signal
58 P21 SDI - µP info. to decoder
59 P22 SCK - Data transfer clock
60 WR Display and RAM - Read/write control
61 P24 LOWBAT - output signal
62,63,64 P25,P26,P27 Serial Data input from EEPROM (IC1)
Table 5.6: IC3 Microprocessor Pin Connections