61
5
7
8
F
E
D
C
B
A
5
7
8
DEH-P650/XN/UC
7.2 IC
-
Pin Functions (PD5809A)
Pin No.
Pin Name
I/O
Format
Function and Operation
1-4
NC
Not used OPEN
5
REM
I
Remote control reception
6
BYTE
I
GND connection
7
CNVSS
I
GND connection
8, 9
NC
Not used OPEN
10
reset
I
Pull up
11
XOUT
O
Crystal oscillating element connection pin
12
VSS1
GND connection
13
XIN
I
Crystal oscillating element connection pin
14
VDD1
VDD connection
15
nmi
I
Pull up
16-19
kd!-$
I
Key data 1-4
20
CKC
O
C
Cathode driver pulse
21
NC
Not used OPEN
22
CKA
O
C
Anode driver pulse
23
NC
Not used OPEN
24
LS
O
C
Line synchronous signal
25
NC
Not used OPEN
26
CKD
O
C
Data transfer and driver clock
27
DPDT
I
Display data communication
28
KYDT
O
N
Key data communication
29
DA2
O
C
Display data MSB
30
NC
Not used
31
CLK1
I
UART1 clock input
32
ILMD
O
C
Dual illumination
33
DA1
O
C
Display data LSB
34
NC
Not used
35
CLK0
I
UART0 clock input
36
NC
O
Not used OPEN
37
rdy
I
Not used Pull up
38
NC
Not used OPEN
39
hold
I
Pull up
40
NC
OPEN
41
BCLK
O
Not used Pull up
42
rd
O
C
Read strobe
43
NC
OPEN
44
wr
O
C
Not used OPEN
45
cs#
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
87-92
ks!-^
I/O
C
key strobe
93
flstby
O
C
FLASH memory stand-by signal
94
AVSS
GND connection
95
fl!@on
O
C
Not used OPEN
96
VREF
GND connection
97
AVCC
VCC connection
98
flbusy
I
FLASH memory busy signal
99
NC
OPEN
100
FWRST
GND connection
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