General Information - Pioneer AVIC-505 Service Manual

AVIC-505

7. GENERAL INFORMATION

7.1 IC
NJM4558V
GGC1289(UPD705101GM-100)
PD4844B
HD64411
M5M4V17805DTP-6S
GGC1293(TC51V17805CFTS-60)
GGC1295(M5M51016BTP-10VH)
PD8052B
GGC1290(LH28F032SUHTD-70)
NJM4558V
A OUTPUT
1
A
– +
A–INPUT
2
A+INPUT
3
V–
4
- Pin Functions (GGC1289 (UPD705101GM-100))
Pin No. Pin Name
1 GND
2-8 D2-8
9 VDD
10 GND
11-13 D9-11
14 VDD
15 GND
16-25 D12-21
26 VDD
27 GND
28-30 D22-24
31 VDD
32 GND
33-39 D25-31
40 VDD
41 GND
llmwr
42
lumwr
43
44 NC
uumwr
45
mrd
46
47 TXD
48 RXD
49 GND
66
MSM514265C-60TS
TC74ACT08FT
TC74ACT541FT
UPD63310GK
NJM2100V
GGC1296(TC74VHCT08AFT)
TC7W02FU
TC7S86FU
TC7SET08FU
V+
8
B OUTPUT
7
B
+ –
B–INPUT
6
B+INPUT
5
I/O Function and Operation
GND
I/O Data bus
Power supply
GND
I/O Data bus
Power supply
GND
I/O Data bus
Power supply
GND
I/O Data bus
Power supply
GND
I/O Data bus
Power supply
GND
O Memory write strobe (least significant byte)
O Memory write strobe (little significant byte)
Not used
O Memory write strobe (most significant byte)
O Memory read strobe
O UART data output
I UARTdata input
GND
TC7W32FU
PD4860B
NJM2244M
TC7W66FU
BA7623F
NJM78M08FA
UPD63702AGF
BA6797FM