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Chapter 4 I/O Ports
IV - 48
Synchronous Output (Port 7)
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
Figure 4-11-1 Synchronous Output Control Block Diagram
D
CK
Q
Write
Port output data
0
1
P6OUT0-7
Read
Timer 1 interrupt
Pin control register
FLOAT bp1,bp0
00
01
10
11
Output data
Timer 5 interrupt
Timer 7 interrupt
External interrupt 2
LD
D
CK
Q
M
U
X
Synchronous
output value
store register
Synchronous output
event
R
D
CK
Q
Reset
Write
Read
Synchronous output control
P6SYO0-7
M
U
X