Pioneer DEH-P940MP Service Manual page 94

1
- Pin Functions (PD5758A)
Pin No. Pin Name
1 CS
2-4 NC
5 REMin
6 BYTE
A
7 CNVSS
8,9 NC
10 RESET
11 XOUT
12 VSS1
13 XIN
14 VCC1
15 NMI
16-24 NC
25-28 KS3-0
29 KYDT
30 DPDT
31-35 NC
36 FLBUSY
37 RDY
38 NC
39 HOLD
40 NC
B
41 BCLK
42 RD
43 NC
44 WR
45,46 CS0,1
47-59 A21-9
60 VCC2
61 A8
62 VSS2
63-69 A7-1
70 NC
71-86 D15-0
87 NC
88 OELON
89 STBY
90 FL12ON
91-93 KD3-1
94 AVSS
C
95 KD0
96 VREF
97 VCC3
98 BSDATA
99 NC
100 BSCK
D
94
1
2
I/O Function and Operation
O ROM correction chip select output
Not used
I Remote control reception input
I External data BUS width select input
GND
Not used
I Reset input
O Crystal oscillating element connection pin
GND
I Crystal oscillating element connection pin
VDD
I NMI input
Not used
I/O Key strobe input / output 3-0
O Key data output
I Display data input
Not used
I Flush memory ready / busy
I OEL driver ready input
Not used
VDD pull up
Not used
O OEL controller BCLK output
O RD pin
Not used
O WR pin
O Chip select input 0,1
O Address bus Output 21-9
VDD
O Address bus Output 8
GND
O Address bus Output 7-1
Not used
I/O Data bus input/output 15-0
Not used
O OEL controller pin
O Flash memory stand by output
O Flash memory protect output
I Key data input 3-1
GND
I Key data input 0
GND
VDD
I/O ROM correction data input / output
Not used
ROM correction clock output
DEH-P940MP/UC
2
3
3
4
4