參數(shù)資料
型號: UPD75206
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 7/62頁
文件大?。?/td> 489K
代理商: UPD75206
7
μ
PD75206
Input
Input
Input
Input/
output
B
F
G
B
INT4
SCK
SO
SI
INT0
INT1
INT2
TI0
–––
–––
–––
BUZ
–––
–––
–––
–––
T13
T12
T11
T10
P00
P01
P02
P03
P10
P11
P12
P13
P20
P21
P22
P23
P30–P33
P40 to P43
P50 to P53
P60 to P63
PH0
PH1
PH2
PH3
3.
PIN FUNCTIONS
3.1
PORT PINS
Pin Name
I/O
After Reset
Input / Output
Circuit Type
*1
Function
Dual-
Function Pin
8-Bit
I/O
Input/output
Input/output
4-bit input port (PORT0).
×
Input
B
Input
Noise removing function available
Noise removing function available
4-bit input port (PORT1).
4-bit input/output port (PORT2).
Input
E
×
Programmable 4-bit input/ output port (PORT3).
Input/output specifiable in 1-bit units.
Input/
output
Input
E
Input/
output
4-bit input/output port (PORT4).
LED direct drive capability.
G
G
Input
E
Input/
output
4-bit input/output port (PORT5).
LED direct drive capability.
Input
E
Input/
output
Programmable 4-bit input/output port (PORT6).
Input/output specifiable in 1-bit units.
On-chip pull-down resistor available (mask
option). Suitable for key input.
×
Input
V
Output
4-bit P-ch open-drain, high-dielectric, high-current
output port (PORTH).
LED direct drive capability. On-chip pull-down
resistor available (mask option).
×
I
*
Schmitt trigger inputs are circled.
Low level
(with an on-
chip pull-
down resistor)
or high
impedance.
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