Pioneer CDX-P670X1N Service Manual page 47

7.2. IC
- Pin Functions (PD5638A)
Pin No. Pin Name
1,2 NC
adena
3
4 TXTSTB
5 TXTSO
6 TXTSI
7 TXTSCK
8 BYTE
9 CNVSS
10 POWER
11 CONT
reset
12
13 XOUT
14 VSS
15 XIN
16 VCC
nmi
17
bsens
18
asens
19
20 TXTPACK
21 IPTA4IN
22 IPPW
23 NC
24 OPTSEL
25 SRAMSW
26 FMPCB
27 SIMUKE
28 NC
29 IPIN
30 IPOUT
31,32 NC
33 FMIPSW
testin
34
35 XSO
36 XSI
37 XSCK
38 M6M12
39–43 NC
rd
44
45 NC
wr
46
47 SYSPW
cs
48
49 XAO
xstb
50
xrst
51
52 NC
53 LOCK
54 FOK
55 NC
56 A11
57 A9
58 A8
59 A13
60 A14
61 A12
62 VCC
63 A7
64 VSS
I/O Format Function and Operation
Not used
O C A/D reference voltage output
O C TEXT parameter output
O C TEXT control parameter serial output
I TEXT data serial input
O C TEXT clock output
I VCC joint
I VSS joint
O C CD +5V control output
O C Servo driver output control
I Reset input
O Crystal oscillating element connection pin
GND
I Crystal oscillating element connection pin
VDD
I Pull up
I Back up power sense input
I Acc sense input
I TEXT PACK interrupt input
I IPIN joint
O C Power supply control output for IP-BUS interface IC
Not used
I Pull down
I "L"
I Pull down
I Pull down
Not used
I Data input from IP-BUS interface IC
O C Data output for IP-BUS interface IC
Not used
I "H"
I Test program mode input
O C CD LSI data output
I CD LSI data input
O C CD LSI clock output
I 6/12 disc select input
Not used
O C SRAM enable output
Not used
O C SRAM write enable output
O C System power supply control output
O C SRAM chip select output
O C CD LSI data discernment control signal output
O C CD LSI strobe output
O C CD LSI reset output
Not used
I Spindle lock detector input
I FOK signal input
Not used
O C SRAM address bus output
O C SRAM address bus output
O C SRAM address bus output
O C SRAM address bus output
O C SRAM address bus output
O C SRAM address bus output
VDD
O C SRAM address bus output
GND
CDX-P670
47