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您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄382785 > μPD75P70076 (NEC Corp.) 4 Bit Single Chip Microcontrollers(4位單片微控制器) PDF資料下載

參數(shù)資料

型號(hào)：	μPD75P70076
廠商：	NEC Corp.
英文描述：	4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述：	4位單片微控制器（4位單片微控制器）
文件頁(yè)數(shù)：	6/62頁(yè)
文件大?。?/td>	290K
代理商：	ΜPD75P70076

m

PD75P0076

6

3. PIN FUNCTIONS

3.1 Port Pins

Pin name

I/O

Alternate function

Function

8-bit

After

reset

I/O circuit

type

Note 1

accessible

P00

I

INT4

This is a 4-bit input port (PORT0).

For P01 to P03, on-chip pull-up resistors are

software-specifiable in 3-bit units.

Not

Input

<B>

available

P01

I/O

SCK

<F>-A

P02

I/O

SO/SB0

<F>-B

P03

I/O

SI/SB1

<M>-C

P10

I

INT0

This is a 4-bit input port (PORT1).

Connections of on-chip pull-up resistors are

software-specifiable in 4-bit units. P10/INT0

can select a noise elimination circuit.

Not

Input

<B>-C

available

P11

INT1

P12

TI1/INT2

P13

TI0

P20

I/O

PTO0

This is a 4-bit I/O port (PORT2).

Connections of on-chip pull-up resistors are

software-specifiable in 4-bit units.

Not

Input

E-B

available

P21

PTO1

P22

PCL

P23

BUZ

P30

I/O

MD0

This is a programmable 4-bit I/O port (PORT3).

Input and output can be specified in single-bit

units. Connections of on-chip pull-up resistors

are software-specifiable in 4-bit units.

Not

Input

E-B

available

P31

MD1

P32

MD2

P33

MD3

P40

Note 2

I/O

D0

This is an N-ch open-drain 4-bit I/O port

(PORT4). In the open-drain mode, withstands

up to 13 V. Also used as data I/O pin

(lower 4 bits) for program memory (PROM)

write/verify.

Available

High

impedance

M-E

P41

Note 2

D1

P42

Note 2

D2

P43

Note 2

D3

P50

Note 2

I/O

D4

This is an N-ch open-drain 4-bit I/O port

(PORT5). In the open-drain mode, withstands

up to 13 V. Also used as data I/O pin

(upper 4 bits) for program memory (PROM)

write/verify.

High

impedance

M-E

P51

Note 2

D5

P52

Note 2

D6

P53

Note 2

D7

P60

I/O

KR0/AN4

This is a programmable 4-bit I/O port (PORT6).

Input and output can be specified in single-bit

units. Connections of on-chip pull-up resistors

are software-specifiable in 4-bit units.

Not

Input

<Y>-D

available

P61

KR1/AN5

P62

KR2/AN6

P63

KR3/AN7

P110

I

AN0

This is a 4-bit input port (PORT11).

Not

Input

Y-A

available

P111

AN1

P112

AN2

P113

AN3

Notes 1.

Circuit types enclosed in brackets indicate Schmitt triggered inputs.

2.

Low-level input current leakage increases when input instructions or bit manipulation instructions are executed.

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