upd17p401 ETC-unknow, upd17p401 Datasheet - Page 7

• Manufacturer Part Number: upd17p401
• Description: One-time Prom Version 4-bit Single Chip Microcontroller With Dedicated On-chip Camera Hardware
• Manufacturer: ETC-unknow

1. PIN FUNCTIONS
1.1
PIN NO.
62
65
66
69
70
73
74
76
77
78
80
20
21
24
25
26
27
28
29
30
1
4
5
|
|
|
|
|
|
|
|
NORMAL OPERATING MODE
LCD
LCD
35
LCD
LCD
LCD
LCD
LCD
LCD
BLK
BLK
IDC
IDC
LCD
SYMBOL
/P0D
P1B
P1B
COM
COM
LCD
LCD
LCD
LCD
BLK
IDC
23
32
31
28
27
24
15
2
2
1
1
0
/P1C
/P1C
|
|
|
|
/COM
|
|
|
|
/P1C 2
/P1C
3
0
/P0D
/P1A
/P1A
/P1D
/P1D
/KS
/KS
3
/K
/K
22
20
19
16
0
0
/CKOUT
0
2
3
0
15
0
3
1
0
0
3
0
3
0
3
LCD controller/driver segment signal, LCD
controller/driver common signal, key
matrix key source signal, port 0D, port 1A,
port 1D and watchdog timer 32 kHz crystal
resonator oscillation signal outputs.
• LCD
• COM
• KS
• P0D
• P1A
• P1D
• CKOUT
Port 1B and LCD segment key source
signal return inputs.
• P1B
• K
IDC (Image Display Controller) character
display signal and blanking signal, and
port 1C outputs.
• IDC
• BLK
• P1C
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
3
LCD controller/driver segment signal
outputs
LCD controller/driver common signal
outputs
Key matrix key source signal outputs
4-bit CMOS output port
4-bit CMOS output port
4-bit CMOS output port
Watchdog timer 32 kHz oscillation
signal output
Watchdog timer 32 kHz crystal
resonator (XT
frequency adjustment
4-bit input/output port
Input/output set capability as a 4-bit
unit
Internal pull-up resistor OFF
Key source signal return inputs
Internal pull-up resistor ON
Character display signal outputs
Character dispaly blanking signal
outputs
4-bit CMOS output port
15
to K
2
3
3
3
3
3
2
35
0
to IDC
to KS
to P1C
to P0D
to P1A
to P1D
to P1B
to BLK
to LCD
to COM
0
0
0
0
0
0
0
0
0
0
3
FUNCTION
IN
, XT
OUT
) oscillation
Inputs with pull-up
resistor
CMOS push-pull
OUTPUT TYPE
CMOS
Input
(P1B
AFTER POWER-ON
RESET
Low-level output
Low-level output
COM
LCD
PD17P401
BLK
IDC
3
to P1B
35
0
2
2
to IDC
to COM
to BLK
to LCD
0
)
0
,
0
0
3
,
7