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COP682C Datasheet(PDF) 20 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # COP682C
Description  Microcontrollers
PDF  30 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

COP682C Datasheet(HTML) 20 Page - National Semiconductor (TI)

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Instruction Execution Time
Most instructions are single byte (with immediate address-
ing mode instruction taking two bytes)
Most single 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 bytecycle
Arithmetic and Logic Instructions
B
Direct
Immed
ADD
11
34
22
ADC
11
34
22
SUBC
11
34
22
AND
11
34
22
OR
11
34
22
XOR
11
34
22
IFEQ
11
34
22
IFGT
11
34
22
IFBNE
11
DRSZ
13
SBIT
11
34
RBIT
11
34
IFBIT
11
34
Memory Transfer Instructions
Register
Register Indirect
Indirect Direct Immed
Auto Incr
Decr
B
X
Ba Bb
Xa Xb
XA
11
13
23
12
13
LD A
11
13
23
22
12
13
LD BImm
11
(If B k 16)
LD BImm
23
(If B l 15)
LD MemImm
22
33
22
LD RegImm
23
e l
Memory location addressed by B or X or directly
Instructions UsingAC
CLRA
11
INCA
11
DECA
11
LAID
13
DCORA
11
RRCA
11
SWAPA
11
SC
11
RC
11
IFC
11
IFNC
11
Transfer of Control Instructions
JMPL
34
JMP
23
JP
13
JSRL
35
JSR
25
JID
13
RET
15
RETSK
15
RETI
15
INTR
17
NOP
11
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