參數(shù)資料
型號： UPD75336GC
廠商： NEC Corp.
英文描述： DIODE ZENER SINGLE 500mW 51Vz 2.5mA-Izt 0.05 0.1uA-Ir 39Vr DO35-GLASS 5K/AMMO
中文描述： 4位單片機
文件頁數(shù)： 8/68頁
文件大小： 532K
代理商： UPD75336GC
8
μ
PD75336
3.
PIN FUNCTIONS
3.1
PORT PINS (1/2)
Dual-
Function Pin
INT4
SCK
SO/SB0
SI/SB1
INT0
INT1
INT2
TI0
PTO0
PTO1
PCL
BUZ
LCDCL
SYNC
—
—
—
—
I/O Circuit
Type
*1
B
F - A
F - B
M - C
B - C
E - B
E - B
M
M
*
1.
2.
LED direct drive possible
: Schmitt triggered input
With noise elimination function
Pin Name
P00
P01
P02
P03
P10
P11
P12
P13
P20
P21
P22
P23
P30
*2
P31
*2
P32
*2
P33
*2
P40 to P43
*2
P50 to P53
*2
Input/Output
Input
Input/output
Input/output
Input/output
Input
Input/output
Input/output
Input/output
Input/output
Function
4-bit input port (PORT 0)
Pull-up resistor can be used for P01 to P03
as a 3-bit unit by software.
4-bit input port (PORT 1)
Pull-up resistor can be used as a 4-bit unit
by software.
4-bit input/output port (PORT 2)
Pull-up resistor can be used as a 4-bit unit
by software.
Programmable 4-bit input/output port (PORT 3)
Input/output can be specified bit-wise.
Pull-up resistor can be used as a 4-bit unit
by software.
N-ch open-drain 4-bit input/output port
(PORT 4)
On-chip pull-up resistor can be specified bit-
wise (mask option).
Open-drain: 10 V withstand voltage
N-ch open-drain 4-bit input/output port
(PORT 5)
On-chip pull-up resistor can be specified bit-
wise (mask option).
Open-drain: 10 V withstand voltage
Reset
Input
Input
Input
Input
High level
(on-chip pull-up re-
sistor) or high-im-
pedance
High level
(on-chip pull-up
resistor) or high-
impedance
8-Bit I/O
×
×
×
×
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