HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 75

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Interrupt Edge Select Register 2 (IEGR2)
IEGR2 is an 8-bit read/write register, used to designate whether pins INT
TMIB are set to rising edge sensing or falling edge sensing. Upon reset, IEGR2 is initialized to
H'00.
Bit 7—INT
pin.
Bit 7: INTEG7
0
1
Bit 6—INT
pin.
Bit 6: INTEG6
0
1
Bit 5—INT
pin.
Bit 5: INTEG5
0
1
Bits 4 to 0—INT
sensing of pins INT
Bit n: INTEGn
0
1
Bit
Initial value
Read/Write
7
6
5
Edge Select (INTEG7): Bit 7 selects the input sensing of the INT
Edge Select (INTEG6): Bit 6 selects the input sensing of the INT
Edge Select (INTEG5): Bit 5 selects the input sensing of the INT
4
INTEG7 INTEG6 INTEG5 INTEG4 INTEG3 INTEG2 INTEG1 INTEG0
to INT
4
R/W
Description
Falling edge of INT
Rising edge of INT
Description
Falling edge of INT
Rising edge of INT
Description
Falling edge of INT
Rising edge of INT
Description
Falling edge of INT
Rising edge of INT
to INT
7
0
0
Edge Select (INTEG4 to INTEG0): Bits 4 to 0 select the input
0
.
R/W
6
0
7
6
5
n
7
6
5
n
and TMIY pin input is detected
and TMIB pin input is detected
and ADTRG pin input is detected
pin input is detected
and TMIY pin input is detected
and TMIB pin input is detected
and ADTRG pin input is detected
pin input is detected
R/W
5
0
R/W
4
0
R/W
3
0
R/W
2
0
7
to INT
7
6
5
pin and TMIY
pin and TMIB
pin and ADTRG
R/W
0
, TMIY, and
1
0
(initial value)
(initial value)
(initial value)
(initial value)
(n = 4 to 0)
R/W
0
0
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