UPD75216ACW

Manufacturer Part NumberUPD75216ACW
Description4-BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC
UPD75216ACW datasheet
 


1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
Page 9/72:

PIN FUNCTIONS

Download datasheet (524Kb)Embed
PrevNext
3. PIN FUNCTIONS
3.1
PORT PINS
Dual-
Pin Name
I/O
Function Pin
P00
Input
INT4
P01
Input/output
SCK
P02
Input/output
SO
P03
Input
SI
P10
INT0
Input
P11
INT1
P12
INT2
P13
TI0
P20
Input/
–––
output
P21
–––
P22
–––
P23
BUZ
P30 to P33
Input/
–––
output
Input/
P40 to P43
–––
output
P50 to P53
–––
Input/
output
P60 to P63
Input/
–––
output
PH0
Output
T13/S12
PH1
T12/S13
PH2
T11/S14
PH3
T10/S15
* Schmitt-triggered inputs are circled.
Function
4-bit input port (PORT0).
Noise elimination function available
Noise elimination function available
4-bit input port (PORT1).
4-bit input/output port (PORT2).
Programmable 4-bit input/ output port (PORT3).
Input/output specifiable in 1-bit units.
4-bit input/output port (PORT4).
LED direct drive capability.
4-bit input/output port (PORT5).
LED direct drive capability.
Programmable 4-bit input/output port (PORT6).
Input/output specifiable in bit-wise.
On-chip pull-down resistor available (mask
option). Suitable for key input.
4-bit P-ch open-drain, high-voltage, high-current
output port (PORTH).
LED direct drive capability. On-chip pull-down
resistor available (mask option).
PD75216A
Input / Output
8-Bit
After Reset
Circuit Type *
I/O
Input
B
F
G
B
Input
B
E
Input
Input
E
Input
E
Input
E
Input
V
Low level
I
(with an on-
chip pull-
down resistor)
or high
impedance.
9