参数资料
型号: PIC16F707-I/MV
厂商: Microchip Technology
文件页数: 118/123页
文件大小: 0K
描述: MCU PIC 14KB FLASH 40-UQFN
产品培训模块: 8-bit PIC® Microcontroller Portfolio
特色产品: Extreme Low Power (XLP) Microcontrollers
标准包装: 73
系列: PIC® XLP™ mTouch™ 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 36
程序存储器容量: 14KB(8K x 14)
程序存储器类型: 闪存
RAM 容量: 363 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 14x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 40-UFQFN 裸露焊盘
包装: 管件
PIC18F2331/2431/4331/4431
DS39616D-page 94
2010 Microchip Technology Inc.
EXAMPLE 8-3:
WRITING TO FLASH PROGRAM MEMORY (CONTINUED)
8.5.2
WRITE VERIFY
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.
8.5.3
UNEXPECTED TERMINATION OF
WRITE OPERATION
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. The WRERR bit is set when
a write operation is interrupted by a MCLR Reset, or a
WDT Time-out Reset during normal operation. In these
situations, users can check the WRERR bit and rewrite
the location.
8.6
Flash Program Operation During
Code Protection
for details on code protection of Flash
program memory.
TABLE 8-2:
REGISTERS ASSOCIATED WITH PROGRAM FLASH MEMORY
PROGRAM_MEMORY
BCF
INTCON, GIE
; disable interrupts
MOVLW
55h
; required sequence
MOVWF
EECON2
; write 55h
MOVLW
0AAh
MOVWF
EECON2
; write 0AAh
BSF
EECON1, WR
; start program (CPU stall)
NOP
BSF
INTCON, GIE
; re-enable interrupts
DECFSZ
COUNTER_HI
; loop until done
GOTO
PROGRAM_LOOP
BCF
EECON1, WREN
; disable write to memory
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on Page:
TBLPTRU
—bit 21(1) Program Memory Table Pointer Upper Byte (TBLPTR<20:16>)
TBPLTRH Program Memory Table Pointer High Byte (TBLPTR<15:8>)
TBLPTRL Program Memory Table Pointer Low Byte (TBLPTR<7:0>)
TABLAT
Program Memory Table Latch
INTCON
GIE/GIEH PEIE/GIEL TMR0IE
INT0IE
RBIE
TMR0IF
INT0IF
RBIF
EECON2 EEPROM Control Register 2 (not a physical register)
EECON1
EEPGD
CFGS
FREE
WRERR
WREN
WR
RD
IPR2
OSCFIP
EEIP
—LVDIP
CCP2IP
PIR2
OSCFIF
EEIF
—LVDIF
CCP2IF
PIE2
OSCFIE
EEIE
—LVDIE
CCP2IE
Legend:
— = unimplemented, read as ‘0’. Shaded cells are not used during Flash/EEPROM access.
Note 1:
Bit 21 of the PC is only available in Test mode and Serial Programming modes.
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