Renesas 7700 FAMILY User Manual page 77

INTERRUPTS
4.10 External interrupts (INT
b7 b6 b5 b4 b3 b2
Fig. 4.10.2 Relationship between port P6 direction register and input pins of external interrupt
4–22
___
interrupt)
i
b1 b0
Port P6 direction register (Address 10
Bit Corresponding pin
0 TA4
OUT
1 TA4 pin
IN
2
INT pin
0
3 INT pin
1
4
INT pin
2
5 TB0 pin
IN
6 TB1 pin
IN
7 TB2 pin
IN
: Bits 0, 1 and bits 5 to 7 are not used for external interrupts.
7751 Group User's Manual
)
16
0 : Input mode
pin
1 : Output mode
When using pins as external interrupt
input pins,set the corresponding bits
to "0."
Functions
At reset
0
0
0
0
0
0
0
0
RW
RW
RW
RW
RW
RW
RW
RW
RW