參數(shù)資料
型號: μPD780984
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 18/48頁
文件大?。?/td> 256K
代理商: ΜPD780984
18
μ
PD780984, 780986, 780988
5. PERIPHERAL HARDWARE FUNCTION FEATURES
5.1 Ports
Two kinds of I/O ports are provided.
CMOS input (Port 1)
CMOS input/output (Port 0, ports 2 to 6)
Total
:
:
:
8
39
47
Table 5-1. Functions of Ports
Port Name
Pin Name
Function
Port 0
P00 to P03
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be connected by software.
Port 1
P10 to P17
Input dedicated port.
Port 2
P20 to P26
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be connected by software.
Port 3
P30 to P37
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be connected by software.
Port 4
P40 to P47
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be connected by software.
Port 5
P50 to P57
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be connected by software.
LEDs can be driven directly.
Port 6
P64 to P67
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be connected by software.
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