Pioneer deh-3700mp Service Manual page 59

5
- Pin Functions(PE5454A)
Pin No. Pin Name
1 AVREF
2 AVSS
3 RFOK
4 NC
5 EVDD
6, 7 NC
8 IC/FLMD0
9 VDD
10 REGC
11 VSS
12 X1
13 X2
reset
14
15 XT1
16 XT2
17 NC
18 NC
xint
19
20 NC
brst
21
22 BSI
23 BSO
bsck
24
25 FTXD
26 FRXD
27 BRXEN
bsrq
28
29 NC
30 DSCSNS
31 8EJ(S905)
32 12EJ(S904)
33 EVSS
34 EVDD
35, 36 SRAMLEVEL0, 1
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
52 ROMCK
53 LOEJ
54 CLCONT
55 CDMUTE
56-58 NC
xcs
59
60 NC
xwait
61
62 CLKOUT
63 LOCK
64 NC
xwrite
65
66 NC
5
6
I/O Format Function and Operation
A power supply Positive power supply(5V)
A power supply GND
O C Output of state of RFOK
Not used
E power supply Positive power supply
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)
Connected to EVDD or EVSS via the resistor
Not used
I C CD LSI interruption signal input
Connected to VSS via the resistor
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 output(transmitted signal)
I For flash rewriting input(received signal)
I/O /C It is possible to receive P-Bus input/output
I/O /C P-Bus service request demand input/output
Not used
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
Not used
O C CD LSI chip selection output
Not used
I CD LSI write control signal input
O C Internal system clock output(Open)
I Spindle lock input
Not used
O CD LSI write control signal output
Not used
DEH-3700MP/XU/UC
6
7
7
8
A
B
C
D
E
F
59
8