Pioneer CDX-FM657 Service Manual page 48

CDX-FM657
- Pin Functions (PD5513A)
Pin No. Pin Name
1 PLDT
2 PLCK
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
ippw
22
23 DISPPW
24 CSEL
25 SRAMSW
26 CCS
27 SIMUKE
28 NC
29 IPIN
30 IPOUT
31 DPDT
32 KYDT
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 MIRR
53 LOCK
54 FOK
55 NC
56 A11
57 A9
58 A8
59 A13
60 A14
61 A12
62 VCC
48
I/O Format Function and Operation
O C PLL data output
O C PLL clock output
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
O C Servo driver output control
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
O C Key/Display microcomputer supply control
I Compression select
I When there is SRAM,"H"
O C IP-BUS chip select
I Destination information input
Not used
I Data input from IP BUS interface IC
O C Data output for IP BUS interface IC
O C Display data output
I Key data input
I FM/IP BUS select switch
I Test program mode input
O NM LSI data output
I LSI data input
O NM 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
O C CD LSI data discernment control signal output
O C CD LSI strobe output
O C CD LSI reset output
I Mirror detector input
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