PIC16F874A-I/PT Microchip Technology, PIC16F874A-I/PT Datasheet - Page 562
PIC16F874A-I/PT
Manufacturer Part Number
PIC16F874A-I/PT
Description
IC MCU FLASH 4K 20MHZ 44-TQFP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F873A-ISO.pdf
(234 pages)
5.PIC16F873A-ISO.pdf
(6 pages)
6.PIC16F873A-ISO.pdf
(4 pages)
7.PIC16F873A-ISO.pdf
(6 pages)
8.PIC16F873A-ISO.pdf
(4 pages)
9.PIC16F873A-ISO.pdf
(22 pages)
Specifications of PIC16F874A-I/PT
Program Memory Type
FLASH
Program Memory Size
7KB (4K x 14)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
192 B
Interface Type
I2C/SPI/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
33
Number Of Timers
3
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874A-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC16F874A-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873A-ISO PDF datasheet #4
- PIC16F873A-ISO PDF datasheet #5
- PIC16F873A-ISO PDF datasheet #6
- PIC16F873A-ISO PDF datasheet #7
- PIC16F873A-ISO PDF datasheet #8
- PIC16F873A-ISO PDF datasheet #9
- 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.
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