gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 80

• Manufacturer Part Number: gc80c521a
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

INT0
INT1
IT (B2h) :
6.15. Interrupt : External Interrupt
External Interrupt Sources : INT5~0
Support positive edge and negative edge detection
Support high level and low level detection
-
IT5
IT4
IT3
IT2
IT0
IT1
0
1
0
1
Interrupt Type Selection Register
-
: Interrupt5 Type Selection Flag
[0] : Level detect,
: Interrupt4 Type Selection Flag
[0] : Level detect,
: Interrupt3 Type Selection Flag
[0] : Level detect,
: Interrupt2 Type Selection Flag
[0] : Level detect,
-
ITSEL0
ITSEL0
ITSEL1
ITSEL1
0
1
0
1
0
1
0
1
-
R/W(1) R/W(1) R/W(1) R/W(1)
Flag Bits
Flag Bits
IT5
IE0
IE1
[1] : Edge detect
[1] : Edge detect
[1] : Edge detect
[1] : Edge detect
IT4
INT2
INT3
IT3
IT2
IT3
0
1
0
1
IT2
ITSEL2
ITSEL2
ITSEL3
ITSEL3
0
1
0
1
0
1
0
1
ITSEL (BAh) :
-
-
ITSEL5
ITSEL4
ITSEL3
ITSEL2
ITSEL1
ITSEL0
Flag Bits
Flag Bits
IE2
IE3
-
-
: Interrupt5 Polarity Selection Flag
[0] : low level or negative edge, [1] : high / positive
: Interrupt4 Polarity Selection Flag
[0] : low level or negative edge, [1] : high / positive
: Interrupt3 Polarity Selection Flag
[0] : low level or negative edge, [1] : high / positive
: Interrupt2 Polarity Selection Flag
[0] : low level or negative edge, [1] : high / positive
: Interrupt1 Polarity Selection Flag
[0] : low level or negative edge, [1] : high / positive
: Interrupt0 Polarity Selection Flag
[0] : low level or negative edge, [1] : high / positive
Interrupt Polarity Selection Register
R/W(0) R/W(1) R/W(0) R/W(1) R/W(0) R/W(0)
ITSEL5
INT4
INT5
MiDAS1.0B Family
ITSEL4
IT4
IT5
0
1
0
1
ITSEL3
ITSEL2
ITSEL4
ITSEL4
ITSEL5
ITSEL5
0
1
0
1
0
1
0
1
ITSEL1
ITSEL0
Flag Bits
Flag Bits
IE4
IE5
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