参数资料
型号: PIC16LF818T-I/SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 10 MHz, RISC MICROCONTROLLER, PDSO20
封装: 0.209 INCH, PLASTIC, MO-150, SSOP-20
文件页数: 98/176页
文件大小: 3124K
代理商: PIC16LF818T-I/SS
PIC16F818/819
DS39598E-page 26
2004 Microchip Technology Inc.
REGISTER 3-1:
EECON1: EEPROM ACCESS CONTROL REGISTER 1 (ADDRESS 18Ch)
R/W-x
U-0
R/W-x
R/W-0
R/S-0
EEPGD
FREE
WRERR
WREN
WR
RD
bit 7
bit 0
bit 7
EEPGD: Program/Data EEPROM Select bit
1
= Accesses program memory
0
= Accesses data memory
Reads ‘0’ after a POR; this bit cannot be changed while a write operation is in progress.
bit 6-5
Unimplemented: Read as ‘0’
bit 4
FREE: EEPROM Forced Row Erase bit
1
= Erase the program memory row addressed by EEADRH:EEADR on the next WR command
0
= Perform write-only
bit 3
WRERR: EEPROM Error Flag bit
1
= A write operation is prematurely terminated (any MCLR or any WDT Reset during normal
operation)
0
= The write operation completed
bit 2
WREN: EEPROM Write Enable bit
1
= Allows write cycles
0
= Inhibits write to the EEPROM
bit 1
WR: Write Control bit
1
= Initiates a write cycle. The bit is cleared by hardware once write is complete. The WR bit
can only be set (not cleared) in software.
0
= Write cycle to the EEPROM is complete
bit 0
RD: Read Control bit
1
= Initiates an EEPROM read, RD is cleared in hardware. The RD bit can only be set (not
cleared) in software.
0
= Does not initiate an EEPROM read
Legend:
R = Readable bit
W = Writable bit
S = Set only
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
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