Pioneer CDX-P2050VC Service Manual page 58

CDX-P2050VC,P2050VN,P2050VS
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- Pin Functions (PE5041A)
Pin No. Pin Name
1
svtest
2 NC
3 VCPPW
4 AVSS
5 NC
6 IPPW
7 AVREF1
8 GLEV0
9 GLEV1
10 NC
11 ILLM
12–14 NC
15 SYSPW
16 TSI
17 TSO
18 TSCK
19–26 NC
27–32 HD0–5
33 VSS
34,35 HD6,7
36 RAMPF
37 hwr
38 hrd
39 PD
40,41 HA0,1
42,43 NC
TE
L 13942296513
44 MUTE
45 BEEP
46,47 NC
48 VCPRST
49–55 NC
56 TX
57 RX
58,59 NC
60 reset
61 VSS
62 bsens
63 asens
64–67 NC
68 VDD
69 X2
70 X1
71 IC
72 XT2
73 TEST/TESTEN
74 AVDD
75 NC
76 KEY1
77 KEY2
78 GSENS
79,80 NC
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I/O Format
I Service testmode input
Not used
O C Power supply for AK2316,ROM
A/D converter ground potential
Not used
O C Power supply control output for IP BUS interface IC
(Connect to VDD)
O C Guidance level output 0
O C Guidance level output 1
Not used
O C Illumination output
Not used
O C System power supply control output
I Chip test data input
O C Chip test data output
I Chip test clock input
Not used
I/O Data line 0–5
Grand potential
I/O Data line 6,7
O CS2 control output for SRAM
O Data writing request output
O Data reading request output
O Power down control output
O C Registor select address output 0,1
Not used
O C Mute control output for AK2316,ROM
O C BEEP
Not used
O C AK2316,ROM reset output
Not used
O C IP BUS data output
I IP BUS data input
Not used
I Reset input
GND
I Back up power sense input
I ACC power sense input
Not used
Power supply
System clock input (x1)
System clock input
Connect to GND
Sub Clock terminal
I Test mode/Test enable
A/D converter analog power supply (VDD)
Not used
VOL key/AUDIO key/SOURCE key input
CALL key/+ key/- key input
I Debug input
Not used
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8
Function and Operation
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