INTERRUPTS
KS57C2308/P2308/C2316/P2316
7-10
EXTERNAL INTERRUPT 2 MODE REGISTER (IMOD2)
The mode register for external interrupt 2 at the KS0–KS7 pins, IMOD2, is addressable only by 4-bit write
instructions.
RESET
clears all IMOD2 bits to logic zero.
FB6H
"0"
IMOD2.2
IMOD2.1
IMOD2.0
If a rising or falling edge is detected at any one of the selected KS pin by the IMOD2 register, the IRQ2 flag is set
to logic one and a release signal for power-down mode is generated.
Table 7-6. IMOD2 Register Bit Settings
IMOD2
0
IMOD2.2
IMOD2.1
IMOD2.0
Effect of IMOD2 Settings
0
0
0
Select rising edge at INT2 pin
0
0
1
Select falling edge at KS4–KS7
0
1
0
Select falling edge at KS2–KS7
0
1
1
Select falling edge at KS0–KS7
1
x
x
Ignore selection of falling edge at KS4–KS7
Summary of Contents for C2316
Page 30: ...ADDRESS SPACES KS57C2308 P2308 C2316 P2316 2 22 NOTES ...
Page 168: ...SAM47 INSTRUCTION SET KS57C2308 P2308 C2316 P2316 5 94 NOTES ...
Page 170: ......
Page 206: ...POWER DOWN KS57C2308 P2308 C2316 P2316 8 8 NOTES ...
Page 210: ...RESET KS57C2308 P2308 C2316 P2316 9 4 NOTES ...
Page 222: ...I O PORTS KS57C2308 P2308 C2316 P2316 10 12 NOTES ...
Page 272: ...LCD CONTROLLER DRIVER KS57C2308 P2308 C2316 P2316 12 24 NOTES ...
Page 280: ...SERIAL I O INTERFACE KS57C2308 P2308 C2316 P2316 13 8 NOTES ...
Page 294: ...MECHANICAL DATA KS57C2308 P2308 C2316 P2316 15 2 NOTES ...
Page 310: ...KS57P2308 P2316 OTP KS57C2308 P2308 C2316 P2316 16 16 NOTES ...
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