Pioneer GEX-FM903XM/UC Service Manual page 138

GEX-FM903XM
- Pin Functions (PD5680A)
Pin No. Pin Name
1 XMDATA
2 XMCLK
3,4 NC
5 SDA
6 SDAIN
7 SCL
8 BYTE
9 CNVSS
10,11 NC
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 NC
19 EVENT_IRQ
20 NC
21 IPTA4IN
22 IPPW
23 NC
24 DISPPW
25 FMMODPW
26 MODPCE
27 MODPDO
28 MODPCK
29 IPIN
30 IPOUT
31 DPDT
32 KYDT
33 CLK
34 BUSY
35 DACDATA
36 TSI
37 DACCLK
38 G
39 DIR
40 ACCPW
41 EPM
42 FMIPSW
43 TESTIN
44 MUTE
45 SEL
46 CE
47-50 NC
51 SYSPW
52-54 NC
55 LOCK_DET
56 NC
57 CTL
58 LE
59 DAC_EN
60 NC
61 MRESET
62 VCC
63 NC
64 VSS
64
I/O Function and Operation
O RF Unit communication data output
O RF Unit communication clock output
Not used
O Digital Unit communication data output
I Digital Unit communication data input
O Digital Unit communication clock output
I External bus width select input
I Processor mode select input
Not used
I Reset input
Clock output
GND
Clock input
Power supply
I NMI input
Not used
I SSDEC communication interrupt input
Not used
I IP-BUS connect input
O IP-BUS driver power supply control output
Not used
O Display Unit power supply control output
O FM modulator power supply output
O PLL IC enable output
O PLL IC communication data output
O PLL IC communication data clock output
I IP-BUS data input
O IP-BUS data output
O Display data output
I Key data input
I Flash memory rewrite clock input
O Flash memory rewrite select output
O DAC IC communication data output
Not used
O DAC IC communication clock output
Not used
Not used
O Power supply control output
I Flash memory rewrite select input
I FM/IP-BUS select sense input
I Test program sense input
O Mute output
O Source select output
I Flash memory rewrite input
Not used
O Audio power supply control output
Not used
I RF Unit lock signal input
Not used
O Antenna control output
O RF Unit chip select output
O DAC IC chip select output
Not used
O CDEC IC reset output
Power supply
Not used
GND