Pioneer DEH-P7600MP Service Manual page 90

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- Pin Functions(PE5440A)
Pin No. Pin Name
1 AVREF
A
2 AVSS
3 RFOK
4 CLAMP
5 EVDD
6 PWM
7 NC
8 IC/FLMD0
9 VDD
10 REGC
11 VSS
12 X1
13 X2
B
reset
14
15 XT1
16 XT2
17 PULLDOWN
ejsw
18
xint
19
20 NC
brst
21
22 BSI
23 BSO
bsck
24
C
25 FTXD
26 FRXD
27 BRXEN
bsrq
28
dspok
29
30 DSCSNS(S903)
31 8EJ(S905)
32 12EJ(S904)
33 EVSS
34 EVDD
35, 36 SRAMLEVEL0, 1
D 37 EMPH
emph
38
39-42 NC
adena
43
44 LRCKOK
45 SRAMLEVEL2
46 CD3VON
47 CONT
xrst
48
49 VDCONT
50 ROMDATA
51 ROMCS
E
52 ROMCK
53 LOEJ
54 CLCONT
55 CDMUTE
56-58 INT
xcs
59
60 NC
xwait
61
62 CLKOUT
63 LOCK
64 NC
xwrite
65
F
90
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I/O Format Function and Operation
A power supply Positive power supply(5V)
A power supply GND
O C Output of state of RFOK
I C CLAMP SW sense input
E power supply Positive power supply
For changer(PWM)
Not used
IC : VSS direct connection/FLMOD0 : Pull-down
Positive power supply(5V)
Connected to the capacity stabilizing output of the regulator
GND
I Oscillator connection for mainclock
Oscillator connection for mainclock
I System reset input
I Connected to the oscillator for subclock
(connected to VSS via the resistor)
Connected to the oscillator for subclock(Open)
I Connected to EVDD or EVSS via the resistor
I C Eject key input
C CD LSI interruption signal input
Not used
I P-Bus reset input
I P-Bus serial data input
O C P-Bus serial data output
I/O /C P-Bus serial clock input/output
O C For flash rewriting(transmitted signal)
I For flash rewriting(received signal)
I/O /C It is possible to receive P-Bus
I/O /C P-Bus service request demand
I DSP microcomputer initialization OK input
I Disc state sense input
I Input of detection of 8 cm disc ejection
I Input of detection of 12 cm disc ejection
E power supply GND
E power supply Positive power supply
O C SRAM level meter output
O C Emphasis information output
O C Emphasis information output
Not used
O C A/D reference voltage supply control output
O C (DOUT mute output)
O C SRAM level meter output
O C CD +3.3V power supply control output
O C Servo driver power supply control output
O C CD LSI reset control output
O C VD power supply control output
I/O /C E2PROM data input/output
O C E2PROM chip selection output
O C E2PROM clock output
O C The direction change output of LOAD/EJECT
O C Driver input change output
O C CD mute control output
For changer(Interruption at the edge)
O C CD LSI chip selection output
Not used
I CD LSI write control signal output
O C Internal system clock output(Open)
I Spindle lock input
Not used
O CD LSI write control signal output
DEH-P7600MP/XN/EW
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