Panasonic MN101C77C, F77G Synchronous output Port, Synchronous Output Control Block Diagram

Chapter 4 I/O Ports

4-11 Synchronous output (Port 6)

Port 6 has the synchronous output function that outputs the any set data to pins, in synchronization with the generation of the specified event. Synchronous event is selected from the external interrupt 2 (P22/ IRQ2), timer 1 interrupt, timer 5 interrupt or timer 7 interrupt signal.

4-11-1 Block Diagram

	P6OUT0-7								0		M
Port output data											U
		D Q						D	Q	1
											X
	Write	CK						CK
						Read		LD
									Synchronous
									output value
Timer 1 interrupt		11							store register
					M
		10
Timer 5 interrupt
					U
Timer 7 interrupt		01					Synchronous output
					X
		00					event
External interrupt 2
Pin control register
FLOAT bp1,bp0
		Reset
					P6SYO0-7
Synchronous output control				R
			D Q
	Write		CK				Read

Output data

Figure 4-11-1 Synchronous Output Control Block Diagram

IV - 48 Synchronous Output (Port 7)