Pioneer DEH-P670MP Service Manual page 68

1
- Pin Functions (PEG090A)
Pin No. Pin Name
1-4 NC
A
5
6 BYTE
7 CNVSS
8, 9 NC
10
11 XOUT
12 VSS1
13 XIN
14 VDD1
15
16-19
20 CKC
B
21 NC
22 CKA
23 NC
24 LS
25 NC
26 CKD
27
28
29
30 NC
31 CLK1
32 ILMD
C
33 DA1
34 NC
35 CLK0
36
37
38 NC
39
40 NC
41
42
43 NC
44
D
45
46
47
48
49 A19
50 NC
51-59 A17-9
60 VDD2
61 A8
62 VSS2
63-69 A7-1
70 NC
E
71-86 D15-0
87-92
93
94 AVSS
95
96 VREF
97 AVCC
98
99 NC
100 FWRST
F
68
1
2
I/O Format Function and Operation
Not used OPEN
I Remote control reception
I GND connection
I GND connection
Not used OPEN
I Pull up
O Crystal oscillating element connection pin
GND connection
I Crystal oscillating element connection pin
VDD connection
I Pull up
I Key data 1-4
O C Cathode driver pulse
Not used OPEN
O C Anode driver pulse
Not used OPEN
O C Line synchronous signal
Not used OPEN
O C Data transfer and driver clock
I Display data communication
O N Key data communication
O C Display data MSB
Not used
I UART1 clock input
O C Dual illumination
O C Display data LSB
Not used
I UART0 clock input
O Not used OPEN
I Not used Pull up
Not used OPEN
I Pull up
OPEN
Not used Pull up
O C Read strobe
OPEN
O C Not used OPEN
O C Not used OPEN
O C Bank address
O C Bank address
O C External ROM chip select
O C Address bus 19
O C OPEN
O C Address bus 17-9
VDD connection
O C Address bus 8
GND connection
O C Address bus 7-0
O C OPEN
I/O C Data bus 15-0
I/O C key strobe
O C FLASH memory stand-by signal
GND connection
O C Not used OPEN
GND connection
VCC connection
I FLASH memory busy signal
OPEN
GND connection
DEH-P670MP/XN/UC
2
3
3
4
4