KS57C2308/P2308/C2316/P2316
SAM47 INSTRUCTION SET
5-51
DI
— Disable Interrupts
DI
Operation:
Operand
Operation Summary
Bytes
Cycles
–
Disable all interrupts
2
2
Description:
Bit 3 of the interrupt priority register IPR, IME, is cleared to logic zero, disabling all interrupts.
Interrupts can still set their respective interrupt status latches, but the CPU will not directly
service them.
Operand
Binary Code
Operation Notation
–
1
1
1
1
1
1
1
0
IME
←
0
1
0
1
1
0
0
1
0
Example:
If the IME bit (bit 3 of the IPR) is logic one (e.g., all instructions are enabled), the instruction
DI
sets the IME bit to logic zero, disabling all interrupts.
Summary of Contents for KS57C2308
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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