PIC18C858-E/L Microchip Technology, PIC18C858-E/L Datasheet - Page 297

• Manufacturer Part Number: PIC18C858-E/L
• Description: IC MCU OTP 16KX16 CAN 84PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C858-E/L

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 68
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 84-PLCC
• For Use With: AC164310 - MODULE SKT FOR PM3 84PLCCDVA18XL840 - ADAPTER DEVICE ICE 84PLCCAC174012 - MODULE SKT PROMATEII 84PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: PIC18C858E/L

SUBFWB (Cont.)
Example 1:
Example 2:
Example 3:
2000 Microchip Technology Inc.
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
REG
WREG
C
REG
WREG
C
Z
N
REG
WREG
C
REG
WREG
C
Z
N
REG
WREG
C
REG
WREG
C
Z
N
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
SUBFWB
SUBFWB
SUBFWB
3
2
1
0xFF
2
0
0
1
2
5
1
2
3
1
0
0
1
2
0
0
2
1
1
0
; result is negative
; result is positive
; result is zero
REG
REG
REG
Advanced Information
SUBLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example 1:
Example 2:
Example 3:
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
Decode
WREG
C
WREG
C
Z
N
WREG
C
WREG
C
Z
N
WREG
C
WREG
C
Z
N
Q1
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
literal ’k’
Subtract WREG from literal
[ label ] SUBLW k
0
k – (WREG)
N,OV, C, DC, Z
WREG is subtracted from the
eight bit literal 'k'. The result is
placed in WREG.
1
1
SUBLW
SUBLW
SUBLW
Read
Q2
0000
1
?
1
1
0
0
2
?
0
1
1
0
3
?
0xFF ; (2’s complement)
0
0
1
k
PIC18CXX8
; result is positive
; result is zero
; result is negative
255
0x02
0x02
0x02
1000
Process
Data
Q3
DS30475A-page 297
WREG
kkkk
Write to W
Q4
kkkk