參數(shù)資料
型號(hào)： μPD780022Y
廠商： NEC Corp.
英文描述： 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述： 8位單片機(jī)微控制器（8位單片微控制器）
文件頁(yè)數(shù)： 17/66頁(yè)
文件大?。?/td> 453K
代理商： ΜPD780022Y
μ
PD780021Y, 780022Y, 780023Y, 780024Y
Preliminary Data Sheet
17
5. PERIPHERAL HARDWARE FUNCTION FEATURES
5.1 Ports
The following 3 types of I/O ports are available.
CMOS input (Port 1)
CMOS input/output (Port 0, Port 2 to Port 7)
N-channel open-drain input/output (P30 to P33) : 4
: 8
: 39
Total
: 51
Table 5-1. Port Functions
Name
Pin Name
Function
Port 0
P00 to P03
Input/output port pins. Input/output specifiable bit-wise.
When used as input port pins, on-chip pull-up resistor can be connected by software.
Port 1
P10 to P17
Input-only port pins.
Port 2
P20 to P25
Input/output port pins. Input/output specifiable bit-wise.
When used as input port pins, on-chip pull-up resistor can be connected by software.
Port 3
P30 to P33
N-ch open-drain input/output port pins. Input/output specifiable bit-wise.
On-chip pull-up resistor can be connected by mask option.
LEDs can be driven directly.
P34 to P36
Input/output port pins. Input/output specifiable bit-wise.
When used as input port pins, on-chip pull-up resistor can be connected by software.
Port 4
P40 to P47
Input/output port pins. Input/output specifiable bit-wise.
When used as input port pins, on-chip pull-up resistor can be connected by software.
Test input flag (KRIF) is set to 1 by falling edge detection.
Port 5
P50 to P57
Input/output port pins. Input/output specifiable bit-wise.
When used as input port pins, on-chip pull-up resistor can be connected by software.
LEDs can be driven directly.
Port 6
P64 to P67
Input/output port pins. Input/output specifiable bit-wise.
When used as input port pins, on-chip pull-up resistor can be connected by software.
Port 7
P70 to P75
Input/output port pins. Input/output specifiable bit-wise.
When used as input port pins, on-chip pull-up resistor can be connected by software.
相關(guān)PDF資料
PDF描述
μPD780024Y 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780024 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780021 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780022 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780023 8 Bit Single Chip Microcontrollers(8位單片微控制器)
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