Pioneer GM-8437ZT Service Manual page 35

5
QQ
3 7 63 1515 0
7.2 IC
- Pin Functions (PD5769B)
Pin No. Pin Name
1 DSPCK1
2 VCS2
3 VCS1
4 VDT
5 VCK
6 CNVSS
7 MODEL0
8 PDN
reset
9
10 XOUT
11 VSS
12 XIN
13 VCC
nmi
14
15 SPEED
bsens
16
asens
17
18 AVCINT
19 DSPCHIP
20 AVCPW
21 BEEP
22 AVCIN
23 AVCOUT
24 DSPOUT2
25 DSPIN2
TE
L 13942296513
26 DSPCK2
27 TESTIN
28 TSOUT
29 TSIN
30 TSCK
31 SMUTEIN
32 DACCSN
33 DACCCLK
34 DACCDTI
35 NC
36 TELMUTE
37,38 NC
39 ROMDT
40 MUTE
41,42 NC
43 FRMUTE
44 FLMUTE
45 RRMUTE
46 RLMUTE
47 CTRMUTE
48 WFMUTE
49-52 NC
53 FRINT2
54 FRINT1
55 FLINT2
56 FLINT1
www
57 RRINT2
58 RRINT1
59 RLINT2
60 RLINT1
.
61 CTRINT2
62 CTRINT1
dirst
63
5
http://www.xiaoyu163.com
6
I/O Function and Operation
O DSP 1 I/F serial clock output
O Electronic volume 2 strobe output
O Electronic volume 1 strobe output
O Electronic volume serial data output
O Electronic volume serial clock output
Connect to GND
I Model information input
O DAC power down output
I Reset input
O System clock output
GND
I System clock input (10MHz)
Power supply (+5V)
I Connect to VCC
I Speed sensor pulse input
I Backup sense input
I ACC sense input
I AVC-LAN data input
O DSP error output
O AVC-LAN driver power output
O Beep pulse output
I AVC-LAN data input
O AVC-LAN data output
O DSP 2 I/F serial data output
I DSP 2 I/F serial data input
O DSP 2 I/F serial clock output
I Test program input
O Test serial data output
I Test serial data input
I Test serial clock input
I System mute input
O DAC control chip select output
O DAC control clock output
O DAC control data output
Not used
I TEL mute input
Not used
I ROM correction data input
O System mute output
Not used
O Interrupt signal FR SP mute
O Interrupt signal FL SP mute
O Interrupt signal RR SP mute
O Interrupt signal RL SP mute
O Interrupt signal CTR SP mute
O Interrupt signal WF SP mute
Not used
O Interrupt signal H:INT(FR) L:OFF
O Interrupt signal H:FR L:OFF
O Interrupt signal H:INT(FL) L:OFF
O Interrupt signal H:FL L:OFF
O Interrupt signal H:INT(RR) L:OFF
O Interrupt signal H:RR L:OFF
x ao u163
y
O Interrupt signal H:INT(RL) L:OFF
O Interrupt signal H:RL L:OFF
i
O Interrupt signal H:INT(CTR) L:OFF
O Interrupt signal H:CTR L:OFF
O DSP reset output
6
http://www.xiaoyu163.com
7
2 9
8
Q Q
3 6 7 1 3 1 5
co
.
GM-8437ZT/WL
7
9 4 2 8
0 5 8 2 9 9 4 2 8
m
8
9 9
A
B
C
9 9
D
E
F
35
8