PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 191
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
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F872-ISO.pdf
(168 pages)
5.PIC16F872-ISO.pdf
(5 pages)
6.PIC16F872-ISO.pdf
(6 pages)
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
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F872-ISO PDF datasheet #4
- PIC16F872-ISO PDF datasheet #5
- PIC16F872-ISO PDF datasheet #6
- Current page: 191 of 688
- Download datasheet (3Mb)
1997 Microchip Technology Inc.
Example 12-6:
;
; The Timer1 interrupt is disabled, do polling on the overflow bit
;
T1_OVFL_WAIT
;
; Timer has overflowed
;
CLRF
CLRF
CLRF
CLRF
BSF
CLRF
BCF
CLRF
MOVLW
MOVWF
BSF
BTFSS
GOTO
BCF
T1CON
TMR1H
TMR1L
INTCON
STATUS, RP0
PIE1
STATUS, RP0
PIR1
0x3E
T1CON
T1CON, TMR1ON ; Timer1 starts to increment
PIR1, TMR1IF
T1_OVFL_WAIT
PIR1, TMR1IF
Timer1 Initialization (External Oscillator Clock Source)
; Stop Timer1, Internal Clock Source,
;
; Clear Timer1 High byte register
; Clear Timer1 Low byte register
; Disable interrupts
; Bank1
; Disable peripheral interrupts
; Bank0
; Clear peripheral interrupts Flags
; External Clock source with oscillator
;
;
;
T1 oscillator disabled, prescaler = 1:1
circuitry, 1:8 prescaler, Clock source
is asynchronous to device
Timer1 is stopped
Section 12. Timer1
DS31012A-page 12-11
12
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