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NEC 78K0 User Manual page 124

8-bit single-chip microcontrollers

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Table 4-5. Settings of Port Mode Register and Output Latch When Using Alternate Function (1/2)

Pin Name

P00

TI000

P01

TI010

TO00

Note 1

P02

SO11

Note 1

P03

SI11

Note 1

P04

SCK11

Note 1

P05

SSI11

Note 1

TI001

Note 1

P06

TI011

Note 1

TO01

P10

SCK10

TxD0

P11

SI10

RxD0

P12

SO10

P13

TxD6

P14

RxD6

P15

TOH0

P16

TOH1

INTP5

P17

TI50

TO50

P30 to P32

INTP1 to INTP3

P33

INTP4

TI51

TO51

P40 to P47

AD0 to AD7

P50 to P57

A8 to A15

P64

RD

P65

WR

P66

WAIT

P67

ASTB

Notes 1.

SO11, SI11, SCK11, SSI11, TI001, TI011, and TO01 are available only in the

78F0148.

2.

When using the alternate functions of the P40 to P47, P50 to P57, and P64 to P67 pins, select the

function by using the memory expansion mode register (MEM).

Remark ×:

Don't care

PM××: Port mode register

P××:

Port output latch

124

CHAPTER 4 PORT FUNCTIONS

Alternate Function

Function Name

*

User's Manual U15947EJ2V0UD

PM××

I/O

Input

1

Input

1

Output

0

Output

0

Input

1

Input

1

Output

0

Input

1

Input

1

Input

1

Output

0

Input

1

Output

0

Output

0

Input

1

Input

1

Output

0

Output

0

Input

1

Output

0

Output

0

Input

1

Input

1

Output

0

Input

1

Input

1

Input

1

Output

0

Note 2

I/O

×

Note 2

Output

×

Note 2

Output

×

Note 2

Output

×

Note 2

Input

1

Note 2

Output

×

µ

PD780146, 780148, and

P××

×

×

0

0

×

×

1

×

×

×

0

×

1

1

×

×

0

1

×

0

0

×

×

0

×

×

×

0

×

Note 2

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