Toshiba TLCS-900/H1 Series Manual page 58

(2) External interrupt control
Symbol Name Address
Interrupt
F6H
input
IIMC
(Prohibit
mode
RMW)
control
*INT0 level enable
0 Edge detect INT
1 "H" level INT
Note 1: Disable INT0 request before changing INT0 pin mode from level sense to edge sense.
Setting example:
DI
LD
LD
NOP
NOP
NOP
EI
X: Don't care, −: No change.
Note 2: See electrical characteristics in section 4 for external interrupt input pulse width.
Pin
Interrupt
Name
INT0 PC0
INT1 PC1
INT2 PC2
INT3 PC3
INT4 P96
INT5 P97
7 6
I5EDGE I4EDGE I3EDGE
W W
0 0
INT5EDGE INT4EDGE INT3EDGE
0: Rising 0: Rising 0: Rising
1: Falling 1: Falling 1: Falling
(IIMC), XXXXXX00B ; Switches from level to edge.
(INTCLR), 0AH ; Clears interrupt request flag.
; Wait EI execution
Settings of External Interrupt Pin Function
Mode
<I0LE> = 0, <I0EDGE> = 0
Rising edge
<I0LE> = 0, <I0EDGE> = 1
Falling edge
<I0LE> = 1
High level
<I1EDGE> = 0
Rising edge
<I1EDGE> = 1
Falling edge
<I2EDGE> = 0
Rising edge
<I2EDGE> = 1
Falling edge
<I3EDGE> = 0
Rising edge
<I3EDGE> = 1
Falling edge
<I4EDGE> = 0
Rising edge
<I4EDGE> = 1
Falling edge
<I5EDGE> = 0
Rising edge
<I5EDGE> = 1
Falling edge
92CH21-56
5 4 3
I2EDGE I1EDGE
W W W
0 0 0
INT2EDGE INT1EDGE
0: Rising 0: Rising
1: Falling 1: Falling
Setting Method
TMP92CH21
2 1 0
−
I0EDGE I0LE
W R/W R/W
0 0 0
INT0EDGE 0: INT0 Always
edge write "0"
0: Rising
mode
1: Falling
1: INT0
level
mode
2009-06-19