Panasonic MN101C77C, F77G user manual Block Diagram P10, P12, P14

Chapter 4 I/O Ports

4-3-3 Block Diagram

External interrupt 0						Edge event
	(IRQ0)					Hold function
			Reset
Pull-up resistor control				R	P1PLU0,2,4
				D Q
		Write		CK			Read
			Reset
I/O direction control				R	P1DIR0,2,4
				D Q
		Write		CK			Read
Port output data	Data			D Q	P1OUT0,2,4			0
	bus
		Write		CK			Read	1
			Reset
Output mode control				R	P1OMD0,2,4
				D Q
		Write		CK			Read
			Reset
Output control		2		R	P1TCNT0-5
				D Q
		Write		CK			Read

P1IN0,2,4

Port input data

Read

Timer input

Timer output

M

U

X

M

U

X

2

M

U

X

P10, P12, P14

Figure 4-3-4 Block Diagram (P10, P12, P14)

Reset

RP1PLU1,3

Pull-up resistor control D Q

Write CK Read

Reset

RP1DIR1,3

I/O direction control	D Q
Write	CK	Read

Port output data	Data		D Q	P1OUT1,3	0	M
	bus	Write			1	U
			CK	Read

X

Reset

RP1OMD1,3

Output mode control D Q

Write CK Read

P1IN1,3

Port input data

Read

Timer input

Timer output

Figure 4-3-5 Block Diagram (P11, P13)

P11, P13

IV - 16 Port 1