35
5
7
8
F
E
D
C
B
A
5
7
8
GM-8437ZT/WL
-
Pin Functions (PD5769B)
Pin No.
Pin Name
I/O
Function and Operation
1
DSPCK1
O
DSP 1 I/F serial clock output
2
VCS2
O
Electronic volume 2 strobe output
3
VCS1
O
Electronic volume 1 strobe output
4
VDT
O
Electronic volume serial data output
5
VCK
O
Electronic volume serial clock output
6
CNVSS
Connect to GND
7
MODEL0
I
Model information input
8
PDN
O
DAC power down output
9
reset
I
Reset
input
10
XOUT
O
System clock output
11
VSS
GND
12
XIN
I
System clock input (10MHz)
13
VCC
Power supply (+5V)
14
nmi
I
Connect to VCC
15
SPEED
I
Speed sensor pulse input
16
bsens
I
Backup sense input
17
asens
I
ACC sense input
18
AVCINT
I
AVC-LAN data input
19
DSPCHIP
O
DSP error output
20
AVCPW
O
AVC-LAN driver power output
21
BEEP
O
Beep pulse output
22
AVCIN
I
AVC-LAN data input
23
AVCOUT
O
AVC-LAN data output
24
DSPOUT2
O
DSP 2 I/F serial data output
25
DSPIN2
I
DSP 2 I/F serial data input
26
DSPCK2
O
DSP 2 I/F serial clock output
27
TESTIN
I
Test program input
28
TSOUT
O
Test serial data output
29
TSIN
I
Test serial data input
30
TSCK
I
Test serial clock input
31
SMUTEIN
I
System mute input
32
DACCSN
O
DAC control chip select output
33
DACCCLK
O
DAC control clock output
34
DACCDTI
O
DAC control data output
35
NC
Not
used
36
TELMUTE
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
54
FRINT1
O
Interrupt signal H:FR L:OFF
55
FLINT2
O
Interrupt signal H:INT(FL) L:OFF
56
FLINT1
O
Interrupt signal H:FL L:OFF
57
RRINT2
O
Interrupt signal H:INT(RR) L:OFF
58
RRINT1
O
Interrupt signal H:RR L:OFF
59
RLINT2
O
Interrupt signal H:INT(RL) L:OFF
60
RLINT1
O
Interrupt signal H:RL L:OFF
61
CTRINT2
O
Interrupt signal H:INT(CTR) L:OFF
62
CTRINT1
O
Interrupt signal H:CTR L:OFF
63
dirst
O
DSP reset output
7.2 IC
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