PIC16F884-I/ML Microchip Technology, PIC16F884-I/ML Datasheet - Page 121
![IC PIC MCU FLASH 4KX14 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC16F884-I/ML
Manufacturer Part Number
PIC16F884-I/ML
Description
IC PIC MCU FLASH 4KX14 44QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.MCP1631RD-MCC2.pdf
(328 pages)
3.PIC16F882-ISS.pdf
(16 pages)
4.PIC16F882-ISS.pdf
(36 pages)
Specifications of PIC16F884-I/ML
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Controller Family/series
PIC16F
No. Of I/o's
35
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
20MHz
No. Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F884-I/ML
Manufacturer:
SIEMENS
Quantity:
200
- PIC16F616T-ISL PDF datasheet
- MCP1631RD-MCC2 PDF datasheet #2
- PIC16F882-ISS PDF datasheet #3
- PIC16F882-ISS PDF datasheet #4
- Current page: 121 of 328
- Download datasheet (6Mb)
An example of the complete eight-word write sequence
is shown in Example 10-4. The initial address is loaded
into the EEADRH and EEADR register pair; the eight
words of data are loaded using indirect addressing.
EXAMPLE 10-4:
© 2009 Microchip Technology Inc.
LOOP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; This write routine assumes the following:
;
;
;
;
BANKSEL
MOVF
MOVWF
MOVF
MOVWF
MOVF
MOVWF
MOVF
MOVWF
INCF
MOVF
MOVWF
INCF
BANKSEL
BSF
BSF
BCF
BTFSC
GOTO
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
MOVLW
MOVWF
MOVLW
MOVWF
BSF
NOP
NOP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
BCF
BSF
BANKSEL
MOVF
INCF
ANDLW
SUBLW
BTFSS
GOTO
A valid starting address (the least significant bits = '000')
is loaded in ADDRH:ADDRL
ADDRH, ADDRL and DATADDR are all located in data memory
EEADRH
ADDRH,W
EEADRH
ADDRL,W
EEADR
DATAADDR,W
FSR
INDF,W
EEDATA
FSR,F
INDF,W
EEDATH
FSR,F
EECON1
EECON1,EEPGD ; Point to program memory
EECON1,WREN ; Enable writes
INTCON,GIE
INTCON,GIE
$-2
55h
EECON2
0AAh
EECON2
EECON1,WR
EECON1,WREN ; Disable writes
INTCON,GIE
EEADR
EEADR, W
EEADR,F
0x0F
0x0F
STATUS,Z
LOOP
WRITING TO FLASH PROGRAM MEMORY
; Load initial address
;
;
;
; Load initial data address
;
; Load first data byte into lower
;
; Next byte
; Load second data byte into upper
;
;
; Disable interrupts (if using)
; See AN576
; Start of required write sequence:
; Write 55h
;
; Write 0AAh
; Set WR bit to begin write
; Required to transfer data to the buffer
; registers
; Enable interrupts (comment out if not using interrupts)
; Increment address
; Indicates when sixteen words have been programmed
;
;
;
;
; Exit on a match,
; Continue if more data needs to be written
Required Sequence
0x0F = 16 words
0x0B = 12 words (PIC16F884/883/882 only)
0x07 = 8 words
0x03 = 4 words(PIC16F884/883/882 only)
PIC16F882/883/884/886/887
DS41291F-page 119
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