58
CDX-P2050VC,P2050VN,P2050VS
-
Pin Functions (PE5041A)
Pin No.
Pin Name
I/O
Format
Function and Operation
1
svtest
I
Service testmode input
2
NC
Not used
3
VCPPW
O
C
Power supply for AK2316,ROM
4
AVSS
A/D converter ground potential
5
NC
Not used
6
IPPW
O
C
Power supply control output for IP BUS interface IC
7
AVREF1
(Connect to VDD)
8
GLEV0
O
C
Guidance level output 0
9
GLEV1
O
C
Guidance level output 1
10
NC
Not used
11
ILLM
O
C
Illumination output
12–14
NC
Not used
15
SYSPW
O
C
System power supply control output
16
TSI
I
Chip test data input
17
TSO
O
C
Chip test data output
18
TSCK
I
Chip test clock input
19–26
NC
Not used
27–32
HD0–5
I/O
Data line 0–5
33
VSS
Grand potential
34,35
HD6,7
I/O
Data line 6,7
36
RAMPF
O
CS2 control output for SRAM
37
hwr
O
Data writing request output
38
hrd
O
Data reading request output
39
PD
O
Power down control output
40,41
HA0,1
O
C
Registor select address output 0,1
42,43
NC
Not used
44
MUTE
O
C
Mute control output for AK2316,ROM
45
BEEP
O
C
BEEP
46,47
NC
Not used
48
VCPRST
O
C
AK2316,ROM reset output
49–55
NC
Not used
56
TX
O
C
IP BUS data output
57
RX
I
IP BUS data input
58,59
NC
Not used
60
reset
I
Reset input
61
VSS
GND
62
bsens
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
78
GSENS
I
Debug input
79,80
NC
Not used
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