Pioneer DEX-MG9667DVZT/EW Service Manual page 112

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QQ - Pin Functions(PEG215A)
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Pin No. Pin Name
1 VREF
A
2 AVCC
3 PDI
4 PDO
pck
5
pce@
6
7 PCE1
8 LDATAO
9 LDATAI
10 LCK
11 ENC1P
12 ENC1M
13 BYTE
B
14 CNVSS
15 ENC2P
16 ENC2M
reset
17
18 XOUT
19 VSS
20 XIN
21 VCC
nmi
22
rdsck
23
ldet
24
srdsck
25
C
26 RX2
27 IPPW
lrst
28
29 PWMBL
TE
30 L 13942296513 LCE
31 PWMILL
32 NC
33 NC
34 RX1
35 TX
36 NC
D 37 VCC
38 NC
39 VSS
40 NC
41 NC
42 UTX
43 URX
44 PLAY
45 IRQPW
mtl
46
47 DVD_MUTE_RQ
48 NR
E
49 TEST
50 NC
51 WAKEUP
52 RDSDATA
rdslock
53
rdshslk
54
sldet
55
56 LOFF
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Function and Operation
I/O
I A/D reference voltage input
AVCC
I PLL : Data input
PLL : Data output
O
PLL : Data clock output
O
E2PROM : Chip enable output
O
PLL : Chip enable output
O
LCD Driver : Data output
O
LCD Driver : Data input
I
LCD Driver : Clock output
O
Encoder 1+ input
I
Encoder 1- input
I
Connected to VSS(single chip)
I
I GND
I Encoder 2+ input
I Encoder 2- input
Reset input
I
Crystal oscillating element connection output
GND
Crystal oscillating element connection input
Power supply(2.7 V to 5.5 V)
Connected to VDD via the resistor
RDS : Clock input
I
PLL : Lock signal
AM audio switching
O
(Used for AVC-LAN)
I
AVC-LAN : Power supply control output
O
O LCD Driver : Reset output
O Backlight control output(PWM output)
O LCD Driver : Chip enable output 1
Illumination control output(PWM output)
O
P-BUS : Request input
I
P-BUS : Reset output
O
(Used for AVC-LAN)
I
(Used for AVC-LAN)
O
P-BUS : Data output
O
Power supply
P-BUS : Data input
I
GND
P-BUS : Data clock output
O
I/O P-BUS : Data reception enable input/output
O UART : Data output
I UART : Data input
MS gain select output
O
UART : Request signal output
O
METAL detection input
I
DVD mechanism : MUTE request input
I
Dolby NR ON/OFF select output
O
SH status input 1/Test mode
I
SH status input 2
I
ASEN output for SH
O
BSEN output for SH
O
Power supply instantaneous interruption sens output
O
Power supply control output for SH
O
I Main tuner : BP1 input(NF)
O LCD Driver : Display off output
x ao
y
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DEX-MG9667DVZT/EW
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