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參數(shù)資料
| 型號： | UPD750004GBA-XXX-3BS-MTX |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 3/86頁 |
| 文件大小： | 626K |
| 代理商： | UPD750004GBA-XXX-3BS-MTX |
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PD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
9
Data Sheet U10738EJ3V2DS
3. PIN FUNCTIONS
3.1
PORT PINS
Notes 1. The circle (
) indicates the Schmitt trigger input.
2. When pull-up resistors that can be specified with the mask option are not incorporated (when pins are used
as N-ch open-drain input ports), the input leak low current increases when an input instruction or bit
operation instruction is executed.
I/O circuit
typeNote 1
-A
-B
-C
E-B
M-D
-A
E-B
When reset
Input
High level (when
pull-up resistors
are provided) or
high impedance
High level (when
pull-up resistors
are provided) or
high impedance
Input
8-bit
I/O
×
Function
4-bit input port (PORT0).
For P01 - P03, built-in pull-up resistors
can be connected by software in units
of 3 bits.
4-bit input port (PORT1).
Built-in pull-up resistors can be
connected by software in units of 4 bits.
A noise eliminator can be selected only
when the P10/INT0 pin is used.
4-bit I/O port (PORT2).
Built-in pull-up resistors can be
connected by software in units of 4 bits.
Programmable 4-bit I/O port (PORT3).
I/O can be specified bit by bit. Built-in
pull-up resistors can be connected by
software in units of 4 bits.
N-ch open-drain 4-bit I/O port (PORT4).
A pull-up resistor can be provided bit by
bit (mask option). Withstand voltage is
13 V in open-drain mode.
N-ch open-drain 4-bit I/O port (PORT5).
A pull-up resistor can be provided bit by
bit (mask option). Withstand voltage is
13 V in open-drain mode.
Programmable 4-bit I/O port (PORT6).
I/O can be specified bit by bit. Built-in
pull-up resistors can be connected by
software in units of 4 bits.
4-bit I/O port (PORT7).
Built-in pull-up resistors can be
connected by software in units of 4 bits.
2-bit I/O port (PORT8).
Built-in pull-up resistors can be
connected by software in units of 2
bits.
B
F
M
B
Pin name
P00
P01
P02
P03
P10
P11
P12
P13
P20
P21
P22
P23
P30 - P33
P40 - P43Notes 2
P50 - P53Notes 2
P60
P61
P62
P63
P70
P71
P72
P73
P80
P81
Input/
output
Input
I/O
Input
I/O
F
Shared
pin
INT4
SCK
SO/SB0
SI/SB1
INT0
INT1
INT2
TI0
PTO0
PTO1
PCL
BUZ
-
KR0
KR1
KR2
KR3
KR4
KR5
KR6
KR7
-
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