PIC18C658/CL Microchip Technology, PIC18C658/CL Datasheet - Page 299
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18C658/CL
Manufacturer Part Number
PIC18C658/CL
Description
IC MCU OTP 16KX16 CAN 68-PLCC
Manufacturer
Microchip Technology
Series
PIC® 18Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C770-ISO.pdf
(8 pages)
3.PIC18C658-IPT.pdf
(366 pages)
4.PIC18C658-IPT.pdf
(16 pages)
5.PIC18C658-IPT.pdf
(16 pages)
6.PIC18C658-IPT.pdf
(16 pages)
Specifications of PIC18C658/CL
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
52
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 12x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
68-PLCC
For Use With
AC164308 - MODULE SKT FOR PM3 68PLCCDVA18PQ640 - DEVICE ADAPT PIC18C658 64-TQFP
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Eeprom Size
-
Other names
Q1068347
- PIC16F616T-ISL PDF datasheet
- PIC16C770-ISO PDF datasheet #2
- PIC18C658-IPT PDF datasheet #3
- PIC18C658-IPT PDF datasheet #4
- PIC18C658-IPT PDF datasheet #5
- PIC18C658-IPT PDF datasheet #6
- Current page: 299 of 366
- Download datasheet (7Mb)
SUBWFB
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
2000 Microchip Technology Inc.
Decode
Q1
register ’f’
0
(f) – (WREG) – (C)
N,OV, C, DC, Z
Subtract WREG and the carry flag
Subtract WREG from f with
Borrow
[ label ] SUBWFB f [ ,d [,a] ]
d
a
(borrow) from register 'f' (2’s com-
plement method). If 'd' is 0, the
result is stored in WREG. If 'd' is
1, the result is stored back in reg-
ister 'f' (default). If ’a’ is 0, the
Access Bank will be selected,
overriding the BSR value. If ’a’ is
1, the Bank will be selected as per
the BSR value.
1
1
Read
Q2
0101
f
[0,1]
[0,1]
255
10da
Process
Data
Q3
ffff
dest
Advanced Information
destination
Write to
Q4
ffff
SUBWFB
Example 1:
Example 2:
Example 3:
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
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
Subtract WREG from f with
Borrow (cont’d)
SUBWFB
SUBWFB
SUBWFB
0x19
0x0D
1
0x0C
0x0D
1
0
0
0x1B
0x1A
0
0x1B
0x00
1
1
0
0x03
0x0E
1
0xF5
0x0E
0
0
1
PIC18CXX8
REG
(0000 0011)
(0001 1001)
; result is positive
(0001 1011)
(0001 1010)
(0001 1011)
; result is zero
(0000 1101)
(1111 0100) [2’s comp]
(0000 1101)
; result is negative
(0000 1101)
(0000 1011)
(0000 1101)
REG, W
REG
DS30475A-page 299
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