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1
- Pin Functions (PEG203A)
Pin No.
Pin Name
1
NC
2
ROMDT
A
3
ROMCK
romcs
4
5
REM
6
BYTE
7
CNVSS
8,9
NC
reset
10
11
XOUT
12
VSS1
13
XIN
14
VDD1
nmi
15
B
kd!-$
16-19
20
CKC
21
NC
22
CKA
23
NC
24
LS
NC
25
26
CKD
27
DPDT
28
KYDT
29
DA2
30
NC
C
31
CLK1
32
ILMD
33
DA1
34
NCB
35
CLK0
36
NC
rdy
37
38
NC
hold
39
40
NC
cs#r
41
D
rd
42
43-44
NC
cs#
45
cs@,!
46,47
cs)
48
49
A19
50
NC
51-59
A17-9
60
VDD2
A8
61
62
VSS2
63-69
A7-1
E
70
NC
71-86
D15-0
87
NC
ks@-^
88-92
93
NC
94
AVSS
95
NC
96
VREF
97
AVCC
flbusy
98
99
NC
100
FWRST
F
62
1
2
Function and Operation
I/O
Format
Not used
I/O
Not used
Not used
O
Not used
O
Remote control reception
I
External data bus width change input
I
Processor mode change input
I
Not used
I
Reset
Radiator(10 MHz)
O
GND
Radiator(10 MHz)
I
Power supply
NMI input
I
Key data input 1-4
I
C
O
C
Cathode driver pulse
Not used
Anode driver pulse
O
C
Not used
Line synchronous signal
O
C
Not used
Data transfer and driver clock
O
C
I
N
Display data communication
Display data communication
O
N
Display data MSB
O
C
Not used
UART1 clock input
I
C
O
C
Dual illumination
Display data LSB
O
C
Not used
UART0 clock input
I
C
Not used
Ready
I
C
Not used
I
C
Hold input
Not used
Not used
Read strobe
O
C
Not used
Not used
Bank address
O
C
O
C
External ROM chip select
Address bus 19 bit
O
C
Not used
Address bus 17-9 bit
O
C
Power supply
O
C
Address bus 8 bit
GND
O
C
Address bus 7-1 bit
Not used
Data bus 15-0 bit
I/O
C
Not used
key strobe 2-6
O
C
Not used
A/D converter GND input
Not used
A/D converter reference voltage
I
A/D converter power supply input
Not used
Not used
I
Restart signal for IC rewriting
DEH-P5850MP/XN/ES
2
3
3
4
4
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