PIC18F252-I/SP Microchip Technology Inc., PIC18F252-I/SP Datasheet - Page 253

• Manufacturer Part Number: PIC18F252-I/SP
• Description: Microcontroller; 32 KB Flash; 1536 RAM; 256 EEPROM; 25 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F252-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 25
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TSTFSZ
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
© 2006 Microchip Technology Inc.
Q Cycle Activity:
If skip:
If skip and followed by 2-word instruction:
Before Instruction
After Instruction
operation
operation
operation
Decode
PC = Address (HERE)
If CNT
PC
If CNT
PC
No
No
No
Q1
Q1
Q1
register 'f'
operation
operation
operation
Test f, skip if 0
[ label ] TSTFSZ f [,a]
0
a
skip if f = 0
None
If 'f' = 0, the next instruction,
fetched during the current instruc-
tion execution, is discarded and a
NOP is executed, making this a two-
cycle instruction. If ’a’ is 0, the
Access Bank will be selected, over-
riding the BSR value. If ’a’ is 1,
then the bank will be selected as
per the BSR value (default).
1
1(2)
Note: 3 cycles if skip and followed
HERE
NZERO
ZERO
Read
0110
No
No
No
Q2
Q2
Q2
=
=
=
f
[0,1]
255
by a 2-word instruction.
0x00,
Address (ZERO)
0x00,
Address (NZERO)
:
TSTFSZ
:
011a
operation
operation
operation
Process
Data
No
No
No
Q3
Q3
Q3
CNT, 1
ffff
operation
operation
operation
operation
No
No
No
No
Q4
Q4
Q4
ffff
XORLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
W
W
Q1
=
=
literal 'k'
Exclusive OR literal with W
[ label ] XORLW k
0
(W) .XOR. k
N, Z
The contents of W are XORed
with the 8-bit literal 'k'. The result
is placed in W.
1
1
XORLW 0xAF
Read
Q2
0000
0xB5
0x1A
k
PIC18FXX2
255
1010
Process
Data
Q3
DS39564C-page 251
W
kkkk
Write to W
Q4
kkkk