Toshiba H1 Series - Manual (Page 85)

TMP92CZ26A
92CZ26A-82
(2) External interrupt control
Symbol Name Address 7 6 5 4 3 2 1 0
I5EDGE I4EDGE I3EDGE I2EDGE I1EDGE I0EDGE I0LE
−
W W W W W W R/W R/W
0 0 0 0 0 0 0 0
IIMC0
Interrupt
input mode
control 0
F6H
(Prohibit
RMW)
INT5EDGE
0: Rising
1: Falling
INT4EDGE
0: Rising
1: Falling
INT3EDGE
0: Rising
1: Falling
INT2EDGE
0: Rising
1: Falling
INT1EDGE
0: Rising
1: Falling
INT0EDGE
0: Rising
1: Falling
INT0
0: Edge
mode
1: Level
mode
Always
write “0” .
I7EDGE I6EDGE
W W
0 0
IIMC1
Interrupt
input mode
control 0
FAH
(Prohibit
RMW)
INT7EDGE
0: Rising
1: Falling
INT6EDGE
0: Rising
1: Falling
Note 1: Disable INT0 request before changing INT0 pin mode from level sense to edge sense.
(change from “1” to “0”)
DI
LD (IIMC0), XXXXXX0-B ; Switches from level to edge.
LD (INTCLR), 0AH ; Clears interrupt request flag.
NOP
; Wait EI execution
NOP
NOP
EI
Note 2: X: Don’t care, –: No change
Note 3: See electrical characteristics in section 4 for external interrupt input pulse width.
Note 4: In port setting, if 16 bit timer input is selected and capture control is executed, INT6 and
INT7 don’t depend on IIMC1 register setting. INT6 and INT7 operate by setting
TBnMOD.
Settings of External Interrupt Pin Function
Interrupt Pin Name Mode Setting Method
Rising edge = 0, = 0
Falling edge = 0, = 1 INT0 PC0
High level = 1
Rising edge = 0
INT1 PC1
Falling edge = 0
Rising edge = 0
INT2 PC2
Falling edge = 1
Rising edge = 0
INT3 PC3
Falling edge = 1
Rising edge = 0
INT4 P96
Falling edge = 1
Rising edge = 0
INT5 PP3
Falling edge = 1
Rising edge = 0
INT6 PP4
Falling edge = 1
Rising edge = 0
INT7 PP5
Falling edge = 1