KS57C2308/P2308/C2316/P2316
SAM47 INSTRUCTION SET
5-9
Table 5-9. CPU Control Instructions — High-Level Summary
Name
Operand
Operation Description
Bytes
Cycles
SCF
Set carry flag to logic one
1
1
RCF
Reset carry flag to logic zero
1
1
CCF
Complement carry flag
1
1
EI
Enable all interrupts
2
2
DI
Disable all interrupts
2
2
IDLE
Engage CPU idle mode
2
2
STOP
Engage CPU stop mode
2
2
NOP
No operation
1
1
SMB
n
Select memory bank
2
2
SRB
n
Select register bank
2
2
REF
memc
Reference code
1
1
VENTn
EMB (0,1)
ERB (0,1)
ADR
Load enable memory bank flag (EMB) and the enable
register bank flag (ERB) and program counter to vector
address, then branch to the corresponding location
2
2
Table 5-10. Program Control Instructions — High-Level Summary
Name
Operand
Operation Description
Bytes
Cycles
CPSE
R,#im
Compare and skip if register equals #im
2
2 + S
@HL,#im
Compare and skip if indirect data memory equals #im
2
2 + S
A,R
Compare and skip if A equals R
2
2 + S
A,@HL
Compare and skip if A equals indirect data memory
1
1 + S
EA,@HL
Compare and skip if EA equals indirect data memory
2
2 + S
EA,RR
Compare and skip if EA equals RR
2
2 + S
JP
ADR14
Jump to direct address (14 bits)
3
3
JPS
ADR12
Jump direct in page (12 bits)
2
2
JR
#im
Jump to immediate address
1
2
@WX
Branch relative to WX register
2
3
@EA
Branch relative to EA
2
3
CALL
ADR14
Call direct in page (14 bits)
3
4
CALLS
ADR11
Call direct in page (11 bits)
2
3
RET
–
Return from subroutine
1
3
IRET
–
Return from interrupt
1
3
SRET
–
Return from subroutine and skip
1
3 + S
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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