RPR 550IS Series
TM1188 Issue 1
Page 5 - 25
Table 8: IC3, Microprocessor Pin Connections
PIN
NAME
DESCRIPTION
1
P72
To switch outputs on IC2, the gate array
2
P71
3
P70
4
P63
Bi-directional data bus
5
P62
6
P61
7
P60
8
P53
Speech enable
10
P51
SBY (display enable)
11
P50
Display V
DD
enable
13
P43
Display DB7
14
P42
Display DB6
15
P41
Display DB5
16
P40
Display DB4
17
V
SS
Ground
18
XT1
Ground
20
RESET
Reset
21
X1
Oscillator circuit
22
X2
23
P33
To Register Select on IC2
24
P32
To Read/Write on IC2
25
P31
To Data transfer clock on IC2
26
P30
To Chip Select on IC2
27
P81
Pull-up resistor
28
P80
ARDATA (Absence Rack Data)
29
P03/ST/SBI
EEPROM SDA
30
P02
31
P01/SCK
EEPROM SCL
32
INT4/P00
To Data interrupt on IC2
Содержание RPR 551IS
Страница 10: ...RPR 550IS Series TM1188 Issue 1 AL2 Oct 98 Page viii INTENTIONALLY BLANK...
Страница 20: ...RPR 550IS Series TM1188 Issue 1 Page 1 10 INTENTIONALLY BLANK...
Страница 36: ...RPR 550IS Series TM1188 Issue 1 Page 2 16 INTENTIONALLY BLANK...
Страница 70: ...RPR 550IS Series Page 4 2 TM1188 Issue 1 INTENTIONALLY BLANK...
Страница 77: ...PSG 10444 1 RPR 550IS Series TM1188 Issue 1 Page 5 7 Figure 2 Case Removal...
Страница 103: ...PSG 10039 RPR 550IS Series TM1188 Issue 1 Page 5 33 Figure 18 Polystyrene Foam Block Dimensions in mm...
Страница 125: ...TM1188 Issue 1 AL2 Oct 98 Figure 4 RPR 552IS Radio Board Circuit Diagram Page 7 9 10...
Страница 126: ...TM1188 Issue 1 AL2 Oct 98 Figure 10 RPR 550IS Main Board Circuit Diagram Radio Page 7 21 22...
Страница 127: ...TM1188 Issue 1 AL2 Oct 98 Figure 11 RPR 550IS Main Board Circuit Diagram Radio Page 7 23 24...