upd17p401 ETC-unknow, upd17p401 Datasheet - Page 7
upd17p401
Manufacturer Part Number
upd17p401
Description
One-time Prom Version 4-bit Single Chip Microcontroller With Dedicated On-chip Camera Hardware
Manufacturer
ETC-unknow
Datasheet
1.UPD17P401.pdf
(32 pages)
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