AC162078 Microchip Technology, AC162078 Datasheet - Page 261
AC162078
Manufacturer Part Number
AC162078
Description
HEADER INTRFC MPLAB ICD2 18F1330
Manufacturer
Microchip Technology
Datasheet
1.AC162078.pdf
(318 pages)
Specifications of AC162078
Accessory Type
Transition Header
Lead Free Status / RoHS Status
Not applicable / Not applicable
For Use With/related Products
ICD2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Not applicable / Not applicable
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AC162078
Manufacturer:
MICROCHIP
Quantity:
12 000
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SUBFSR
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
2009 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
Decode
FSR2
FSR2
Q1
=
=
register ‘f’
Subtract Literal from FSR
SUBFSR f, k
0 k 63
f [ 0, 1, 2 ]
FSR(f – k) FSR(f)
None
The 6-bit literal ‘k’ is subtracted from
the contents of the FSR specified
by ‘f’.
1
1
SUBFSR 2, 23h
Read
1110
Q2
03FFh
03DCh
1001
Process
Data
Q3
ffkk
destination
Write to
kkkk
Q4
SUBULNK
Syntax:
Operands:
Operation:
Status
Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Operation
Decode
FSR2
PC
FSR2
PC
PIC18F1230/1330
Q1
No
Subtract Literal from FSR2 and Return
SUBULNK k
0 k 63
FSR2 – k FSR2,
(TOS) PC
None
The 6-bit literal ‘k’ is subtracted from the
contents of the FSR2. A RETURN is then
executed by loading the PC with the TOS.
The instruction takes two cycles to
execute; a NOP is performed during the
second cycle.
This may be thought of as a special case of
the SUBFSR instruction, where f = 3 (binary
‘11’); it operates only on FSR2.
1
2
1110
=
=
=
=
register ‘f’
Operation
SUBULNK 23h
Read
Q2
No
03FFh
0100h
03DCh
(TOS)
1001
Operation
Process
Data
Q3
No
DS39758D-page 261
11kk
destination
Operation
Write to
kkkk
Q4
No
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