Chapter 4 I/O Ports

4-1-2

I/O Port Status at Reset

 

 

 

 

Table 4-1-1 I/O Port Status at Reset (Single chip mode)

 

 

 

 

 

 

Port Name

I/O mode

Pull-up / Pull-down resistor

I/O port, special functions

 

 

 

 

 

 

 

Port 0

 

Input mode

No pull-up resistor

I/O port

 

Port 1

 

Input mode

No pull-up resistor

I/O port

 

Port 2

 

Input mode

P27 : Pull-up resistor

I/O port

 

 

Others : No pull-up resistor

 

 

 

 

 

 

Port 5

 

Input mode

No pull-up resistor

I/O port

 

Port 6

 

Input mode

No pull-up resistor

I/O port

 

Port 7

 

Input mode

No pull-up / pull-down resistor

I/O port

 

Port 8

 

Input mode

No pull-up resistor

I/O port

 

Port A

 

Input mode

No pull-up / pull-down resistor

I/O port

 

 

 

 

 

 

Overview IV - 3

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Image 153
Panasonic F77G, MN101C77C user manual 1 I/O Port Status at Reset Single chip mode