PIC16LF819T-I/SO Microchip Technology, PIC16LF819T-I/SO Datasheet - Page 83
PIC16LF819T-I/SO
Manufacturer Part Number
PIC16LF819T-I/SO
Description
IC MCU FLASH 2KX14 EEPROM 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16LF627A-IP.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC16F818-ISO.pdf
(8 pages)
4.PIC16F818-ISO.pdf
(8 pages)
5.PIC18F2450-ISO.pdf
(324 pages)
Specifications of PIC16LF819T-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
3.5KB (2K x 14)
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 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF819T-I/SO
Manufacturer:
MITSUBISHI
Quantity:
330
Part Number:
PIC16LF819T-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16LF627A-IP PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F818-ISO PDF datasheet #4
- PIC18F2450-ISO PDF datasheet #5
- Current page: 83 of 324
- Download datasheet (6Mb)
EXAMPLE 6-3:
6.5.2
Depending on the application, good programming
practice may dictate that the value written to the
memory should be verified against the original value.
This should be used in applications where excessive
writes can stress bits near the specification limit.
6.5.3
If a write is terminated by an unplanned event, such as
loss of power or an unexpected Reset, the memory
location just programmed should be verified and
reprogrammed if needed. If the write operation is
interrupted by a MCLR Reset or a WDT time-out Reset
during normal operation, the user can check the
WRERR bit and rewrite the location(s) as needed.
TABLE 6-2:
© 2008 Microchip Technology Inc.
TBLPTRU
TBPLTRH Program Memory Table Pointer High Byte (TBLPTR<15:8>)
TBLPTRL Program Memory Table Pointer Low Byte (TBLPTR<7:0>)
TABLAT
INTCON
EECON2
EECON1
IPR2
PIR2
PIE2
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used during Flash access.
PROGRAM_MEMORY
Name
Required
Sequence
WRITE VERIFY
UNEXPECTED TERMINATION OF
WRITE OPERATION
Program Memory Table Latch
Data Memory Control Register 2 (not a physical register)
GIE/GIEH PEIE/GIEL TMR0IE
OSCFIP
OSCFIF
OSCFIE
Bit 7
—
—
REGISTERS ASSOCIATED WITH PROGRAM FLASH MEMORY
BCF
BSF
BCF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
DECFSZ
BRA
BSF
BCF
WRITING TO FLASH PROGRAM MEMORY (CONTINUED)
CFGS
Bit 6
—
—
—
—
EECON1, CFGS
EECON1, WREN
INTCON, GIE
55h
EECON2
0AAh
EECON2
EECON1, WR
COUNTER1
WRITE_BUFFER_BACK
INTCON, GIE
EECON1, WREN
USBIP
USBIE
USBIF
bit 21
Bit 5
—
Program Memory Table Pointer Upper Byte (TBLPTR<20:16>)
INT0IE
FREE
Bit 4
—
—
—
WRERR
; access Flash program memory
; enable write to memory
; disable interrupts
; write 55h
; write 0AAh
; start program (CPU stall)
; re-enable interrupts
; disable write to memory
RBIE
Bit 3
6.5.4
To protect against spurious writes to Flash program
memory, the write initiate sequence must also be
followed. See Section 18.0 “Special Features of the
CPU” for more detail.
6.6
See Section 18.5 “Program Verification and Code
Protection” for details on code protection of Flash
program memory.
—
—
—
Flash Program Operation During
Code Protection
TMR0IF
HLVDIP
HLVDIF
HLVDIE
PIC18F2450/4450
WREN
Bit 2
PROTECTION AGAINST SPURIOUS
WRITES
INT0IF
Bit 1
WR
—
—
—
RBIF
Bit 0
DS39760D-page 81
—
—
—
—
on Page:
Values
Reset
49
49
49
49
49
51
51
51
51
51
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