E0C63P366
■ PIN DESCRIPTION
Normal operation mode
Function
Serial programming mode
Function
Power (+) supply pin
Pin name
Pin No.
In/Out
In/Out
V
V
V
V
V
DD
43
37
–
–
Power (+) supply pin
Power (–) supply pin
Internal regulated voltage output pin
Unused
–
–
–
–
–
–
I
SS
Power (–) supply pin
Internal regulated voltage output pin
Unused
D1
40
–
C1, VC3
C2
36, 34
35
–
1
–
Unused
Unused
CA, CB
OSC1
33, 32
38
–
LCD system boosting capacitor connecting pin
OSC1 oscillation input pin
OSC1 oscillation output pin
OSC3 oscillation input pin
OSC3 oscillation output pin
Input port
Unused
I
OSC1 oscillation input pin
OSC1 oscillation output pin
Unused
OSC2
39
O
I
O
I
OSC3
41
OSC4
42
O
I
O
I
Unused
K00–K03
K10–K13
K20
85–88
89–92
93
Unused (High or Low)
Unused (High or Low)
Unused (High or Low)
Unused (High or Low)
Unused (High or Low)
Unused (High or Low)
Unused (High or Low)
Unused (High or Low)
Unused
I
Input port
I
I
Input port
I
P00–P03
P10–P13
P20–P23
P30–P33
P40–P43
R00
71–68
67–64
63–60
59–56
55–52
83
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
–
I/O port
I
I/O port
I
I/O port
I
I/O port
I
I/O port
I
Output port
O
O
O
O
O
O
O
O
–
–
–
O
I
R01
82
Output port
Unused
R02
81
Output port/TOUT output
Output port/FOUT output
Output port
Unused
R03
80
Unused
R10–R13
R20–R23
COM0–COM3
79–76
75–72
28–31
Unused
Output port
Unused
Unused
Unused
SEG0–SEG31 94–100, 1–25
Unused
Unused
AVDD
AVSS
AVREF
BZ
47
48
46
84
44
45
49
50
51
26
27
Power (+) supply pin for A/D converter
Power (–) supply pin for A/D converter
Reference voltage for A/D converter
Buzzer output pin
Initial reset input pin
Testing input pin
Unused (High)
Unused
–
Unused
–
Unused
O
I
Unused
RESET
TEST
Initial reset input pin
Unused (High)
I
I
2
RXD
I
I
PROM serial programming data input pin
PROM serial programming data output pin
2
TXD
O
I
Unused
O
2
SCLK
CLKIN
SPRG
Unused (High)
I/O PROM serial programming clock input pin
2
I
Unused (High)
I
I
PROM serial programming source clock input pin
PROM serial programming mode setting pin
2
I
Unused (High)
1: The oscillation system voltage regulator and the A/D converter power supply circuit do not enter VC2 mode.
2: Pin for serial programming
In the parallel programming mode, all the terminals are set to the appropriate status by the exclusive PROM
writer.
15
SEIKO [ SEIKO EPSON CORPORATION ]
