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COP8-REF-AM Datasheet(PDF) 74 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # COP8-REF-AM
Description  8-Bit CMOS Flash Microcontroller with 8k Memory, Dual Op Amps, Virtual EEROM, Temperature Sensor,10-Bit A/D and Brownout Reset
PDF  83 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

COP8-REF-AM Datasheet(HTML) 74 Page - National Semiconductor (TI)

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22.0 Instruction Set (Continued)
JSRL
Addr.
Jump SubRoutine Long
[SP]
←PL, [SP−1]←PU,SP−2, PC←ii
JSR
Addr.
Jump SubRoutine
[SP]
←PL, [SP−1]←PU,SP−2, PC9…0←i
JSRB
Addr
Jump SubRoutine Boot ROM
[SP]
←PL, [SP−1]←PU,SP−2,
PL
←Addr,PU←00, switch to flash
JID
Jump InDirect
PL
←ROM (PU,A)
RET
RETurn from subroutine
SP + 2, PL
←[SP], PU←[SP−1]
RETSK
RETurn and SKip
SP + 2, PL
←[SP],PU←[SP−1],
skip next instruction
RETI
RETurn from Interrupt
SP + 2, PL
←[SP],PU←[SP−1],GIE←1
INTR
Generate an Interrupt
[SP]
←PL, [SP−1]←PU, SP−2, PC←0FF
NOP
No OPeration
PC
←PC+1
22.7 INSTRUCTION EXECUTION TIME
Most instructions are single byte (with immediate addressing
mode instructions taking two bytes).
Most single byte instructions take one cycle time to execute.
Skipped instructions require x number of cycles to be
skipped, where x equals the number of bytes in the skipped
instruction opcode.
See the BYTES and CYCLES per INSTRUCTION table for
details.
Bytes and Cycles per Instruction
The following table shows the number of bytes and cycles for
each instruction in the format of byte/cycle.
Arithmetic and Logic Instructions
[B]
Direct
Immed.
ADD
1/1
3/4
2/2
ADC
1/1
3/4
2/2
SUBC
1/1
3/4
2/2
AND
1/1
3/4
2/2
OR
1/1
3/4
2/2
XOR
1/1
3/4
2/2
IFEQ
1/1
3/4
2/2
IFGT
1/1
3/4
2/2
IFBNE
1/1
DRSZ
1/3
SBIT
1/1
3/4
RBIT
1/1
3/4
IFBIT
1/1
3/4
RPND
1/1
Instructions Using A & C
CLRA
1/1
INCA
1/1
DECA
1/1
LAID
1/3
DCORA
1/1
RRCA
1/1
RLCA
1/1
SWAPA
1/1
SC
1/1
RC
1/1
IFC
1/1
IFNC
1/1
PUSHA
1/3
POPA
1/3
ANDSZ
2/2
Transfer of Control Instructions
JMPL
3/4
JMP
2/3
JP
1/3
JSRL
3/5
JSR
2/5
JSRB
2/5
JID
1/3
VIS
1/5
RET
1/5
RETSK
1/5
RETI
1/5
INTR
1/7
NOP
1/1
www.national.com
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