PIC16F870-E/SO Microchip Technology, PIC16F870-E/SO Datasheet - Page 562
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC16F870-E/SO
Manufacturer Part Number
PIC16F870-E/SO
Description
28 PIN, 3.5KB ENH FLASH, 128 RAM, 22 I/O,
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F870-ISO.pdf
(172 pages)
4.PIC16F870-ISO.pdf
(6 pages)
Specifications of PIC16F870-E/SO
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB16F871 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F870-ISO PDF datasheet #3
- PIC16F870-ISO PDF datasheet #4
- Current page: 562 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
DS31029A-page 29-40
SUBWF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example 1:
Case 2:
Case 3:
Case 1:
Q1
Decode
SUBWF
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
Q2
register 'f'
[ label ]
0
d
(f) - (W)
Subtract (2’s complement method) W register from register 'f'. If 'd' is 0 the
result is stored in the W register. If 'd' is 1 the result is stored back in reg-
ister 'f'.
1
1
C, DC, Z
Read
00
f
[0,1]
127
REG1= 3
W
C
Z
REG1= 1
W
C
Z
REG1= 2
W
C
Z
REG1= 0
W
C
Z
REG1= 1
W
C
Z
REG1= 0xFF
W
C
Z
REG1,1
Subtract W from f
Q3
SUBWF f,d
destination
= 2
= x
= x
= 2
= 1
= 0
= 2
= x
= x
= 2
= 1
= 1
= 2
= x
= x
= 2
= 0
= 0
0010
Process
data
dfff
Q4
destination
Write to
; result is positive
; result is zero
; result is negative
ffff
1997 Microchip Technology Inc.
Related parts for PIC16F870-E/SO
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![PIC16F870-I/SO](/photos/6/59/65909/150-28-soic_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 2KX14 EE 28SOIC
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F870-I/SP](/photos/6/59/65908/150-28-dip_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 2KX14 EE 28DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F870-I/SS](/photos/6/81/68119/150-28-ssop_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 2KX14 EE 28SSOP
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F870-E/SP](/photos/6/59/65908/150-28-dip_tmb.jpg)
Part Number:
Description:
IC MCU CMOS 20MHZ 2K FLASH 28DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F870-E/SS](/photos/6/81/68119/150-28-ssop_tmb.jpg)
Part Number:
Description:
IC MCU CMOS 20MHZ 2K FLSH 28SSOP
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-I/P](/photos/6/76/67657/18-dip_300mil__tmb.jpg)
Part Number:
Description:
IC MCU FLASH 4KX14 EEPROM 18DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-I/SO](/photos/6/76/67656/150-18-soic_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 4KX14 EEPROM 18SOIC
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-I/SS](/photos/6/58/65895/150-20-ssop_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 4KX14 EEPROM 20SSOP
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-I/ML](/photos/6/81/68120/150-28-qfn_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 4KX14 EEPROM 28QFN
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-E/SO](/photos/6/76/67656/150-18-soic_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 4KX14 EEPROM 18SOIC
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-E/SS](/photos/6/58/65895/150-20-ssop_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 4KX14 EEPROM 20SSOP
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-E/ML](/photos/6/81/68120/150-28-qfn_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 4KX14 EEPROM 28QFN
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F87-E/P](/images/manufacturer_photos/0/4/439/microchip_technology_tmb.jpg)
Part Number:
Description:
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,DIP,18PIN,PLASTIC
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F1826-I/SO](/photos/6/76/67656/150-18-soic_tmb.jpg)
Part Number:
Description:
IC, 8BIT MCU, PIC16F, 32MHZ, SOIC-18
Manufacturer:
Microchip Technology
Datasheet:
![PIC16F1826-I/SS](/photos/6/81/68119/150-28-ssop_tmb.jpg)
Part Number:
Description:
IC, 8BIT MCU, PIC16F, 32MHZ, SSOP-20
Manufacturer:
Microchip Technology
Datasheet: