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參數(shù)資料
| 型號： | UPD753104GK |
| 廠商： | NEC Corp. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機的小型通用紅外遙控器 |
| 文件頁數(shù)： | 9/90頁 |
| 文件大?。?/td> | 547K |
| 代理商： | UPD753104GK |
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9
μ
PD753104, 753106, 753108
3. PIN FUNCTIONS
3.1 Port Pins (1/2)
Pin Name
Input/Output
Alternate
Function
Function
8-bit
I/O
After Reset
I/O Circuit
TYPE
Note 1
P00
Input
INT4
No
Input
(B)
P01
Input/Output
SCK
(F)-A
P02
Input/Output
SO/SB0
(F)-B
P03
Input/Output
SI/SB1
(M)-C
P10
Input
INT0
No
Input
(B)-C
P11
INT1
P12
TI1/TI2/INT2
P13
TI0
P20
Input/Output
PTO0
No
Input
E-B
P21
PTO1
P22
PCL/PTO2
P23
BUZ
P30
Input/Output
LCDCL
No
Input
E-B
P31
SYNC
P32
–
P33
–
P50-P53
Note 2
Input/Output
–
No
M-D
Notes 1.
Characters in parentheses indicate the Schmitt trigger input.
If on-chip pull-up resistors are not specified by mask option (when used as N-ch open-drain input port),
low-level input leakage current increases when input or bit manipulation instruction is executed.
2.
4-bit input port (PORT0).
For P01 to P03, connection of on-chip pull-
up resistors can be specified by software in
3-bit units.
4-bit input port (PORT1).
Connection of on-chip pull-up resistors can
be specified by software in 4-bit units.
P10/INT0 can select noise elimination
circuit.
4-bit input/output port (PORT2).
Connection of on-chip pull-up resistors can
be specified by software in 4-bit units.
Programmable 4-bit input/output port
(PORT3).
This port can be specified for input/output
bit-wise.
Connection of on-chip pull-up resistors can
be specified by software in 4-bit units.
N-ch open-drain 4-bit input/output port
(PORT5).
A pull-up resistor can be contained bit-wise
(mask option).
Withstand voltage is 13 V in open-drain mode.
High level
(when pull-
up resistors
are provided)
or high-
impedance
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