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5
- Pin Functions (PD5706A)
Pin No.
Pin Name
1-4
NC
5
REM
6
BYTE
7
CNVSS
8, 9
NC
reset
10
11
XOUT
12
VSS
13
XIN
14
VCC
nmi
15
kd!-kd@
16-19
20
CKC
21
NC
22
CKA
23
NC
24
LS
25
NC
26
CKD
27
DPDT
28
KYDT
29
DA2
30
NC
31
CLK1
32
ILMD
33
DA1
34
NC
35
CLK0
36
NC
rdy
37
38
NC
hold
39
40,41
NC
rd
42
43-46
NC
cs!
47
cs)
48
49
A19
50
A18
51-59
A17-A9
60
VCC
61
A8
62
VSS
63-69
A7-A1
70
A0
71-86
D15-D0
ks!-ks^
87-92
93
NC
94
AVSS
95
NC
96
VREF
97
AVCC
98-100
NC
5
6
I/O
Function and Operation
Not used OPEN
I
Remote control reception input
I
GND connection
I
GND connection
Not used OPEN
Pull up
O
Crystal oscillating element connection pin
VSS connection
I
Crystal oscillating element connection pin
VCC connection
I
NVI input (Not used)
I
Key data 1-4 input
O
Fixed pulse output for cathode driver
Not used
O
Fixed pulse output for anode driver
Not used
O
Line sink signal output
Not used
O
Data transport / driver clock output
I
Display data input
O
Key data output
O
Display data MSB output
Not used
I
Clock input for UART1
O
Dual illumination select output
O
Display data LSB output
Not used
I
Clock input for UART0 input
Not used
I
Not used
Not used
I
Not used
Not used
O
Read strobe output
Not used
O
Bank address select output
O
External ROM chip select output
O
Address bus 19 output
O
Address bus 18 output (Not used)
O
Address bus 17-9 output
VCC connection
O
Address bus 8 output
GND connection
O
Address bus 7-1 output
O
Address bus 0 output (Not used)
I/O
Data bus 15-0 input / output
I/O
Key strobe input / output
Not used
GND connection
Not used OPEN
Not used VSS connection
Not used VCC connection
Not used OPEN
KEH-P7020R
6
7
7
8
A
B
C
D
63
8
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