PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 537

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PIC16F872-E/SS

Manufacturer Part Number
PIC16F872-E/SS
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr

Specifications of PIC16F872-E/SS

Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI
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-SSOP
Package
28SSOP
Device Core
PIC
Family Name
PIC16
Maximum Speed
20 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
22
Interface Type
I2C/SPI
On-chip Adc
5-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
1997 Microchip Technology Inc.
BTFSS
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
If skip (2nd cycle):
Example 1
Q1
Q1
operation
Case 1:
Case 2:
Decode
No
Q2
Q2
[ label ] BTFSS f,b
0
0
skip if (f<b>) = 1
None
If bit 'b' in register 'f' is '1' then the next instruction is skipped.
If bit 'b' is '1', then the next instruction (fetched during the current instruc-
tion execution) is discarded and a NOP is executed instead, making this a
2 cycle instruction.
1
1(2)
Before Instruction
After Instruction
Before Instruction
After Instruction
register 'f'
operation
HERE
FALSE
TRUE
Read
01
No
f
b < 7
Section 29. Instruction Set
127
PC =
FLAG=
Since FLAG<4>= 0,
PC =
PC =
FLAG=
Since FLAG<4>=1,
PC =
Bit Test f, Skip if Set
BTFSS
GOTO
11bb
Q3
Q3
operation
Process
data
No
addressHERE
xxx0 xxxx
addressFALSE
addressHERE
xxx1 xxxx
addressTRUE
FLAG, 4
PROCESS_CODE
bfff
Q4
Q4
operation
operation
No
No
ffff
DS31029A-page 29-15
29

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