Toyota CRT2242 Service Manual page 27

- Pin Functions (PD5452A)
Pin No. Pin Name
1 ASLIN
2 TLMT
3 AVCIN
4 AVCOUT
5 AVCPW
6 DSPACK
7 DSPCK
8 DSPDT
9 DSPIN
10 DSPCD
11 DSPCS1
12 DSPCS2
13 PEE
14 ASENS
15 BSENS
16 SYSPW
17 TESTIN
18 TSEN
19 TSCK
20 TSO
21 TSIN
22 PEEMUTE
23 MUTE
24 SMUTEIN
25 RESET
26,27 NC
28 XIN
29 XOUT
30 VSS
31 NAVMUT
32–61 NC
62 MODEL0
63 DSPMUTE
64–68 NC
69 DSPERR2
70 DSPERR1
71 VCC
72 VREF
73 AVSS
74 VCK1
75 VCK2
76 VDT
77 VST
78 NC
79 DPD2
80 DSPRST
*PD5452A
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40
I/O Format Function and Operation
I Difference of noise and signal input
I TEL mute input
I AVC-LAN data input
O C AVC-LAN data output
O C AVC-LAN driver power supply output
I DSP-IC ACK input
O C DSP serial clock output
O C DSP data output
I DSP serial data input
O DSP command/data output
O C TC9332F chip select 1
O C TC9332F chip select 2
O C Beep tone output
I ACC power sense input
I Back up power sense input
O C System power supply control output
I Test program start input
I Test enable input
O C Test program clock output
O C Test program serial output
I Test data input
Not used
O C Mute output
I System mute input
I Reset input
Not used
I Crystal oscillating element connection pin
O Crystal oscillating element connection pin
GND
O C Navigation mute output
Not used
I Model select input
O C DSP mute output
Not used
I DSP error detect input 2
I DSP error detect input 1
5V
I A/D converter reference voltage input
I A/D GND
O C Clock output for electronic volume
O C Clock output electronic volume 2
O C Data output for electronic volume
O C Strobe pulse output for electronic volume
Not used
O C A/D converter offset calibration output
O C DSP reset control
80
61
GM-8886ZT ,8886ZT-91
Format Meaning
C C MOS
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
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