PIC16F631_08 Datasheet, PDF (122/306 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
REGISTER 10-1: EEDAT: EEPROM DATA REGISTER
R/W-0
EEDAT7
bit 7
R/W-0
EEDAT6
R/W-0
EEDAT5
R/W-0
EEDAT4
R/W-0
EEDAT3
R/W-0
EEDAT2
R/W-0
EEDAT1
R/W-0
EEDAT0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
EEDAT<7:0>: 8 Least Significant Address bits to Write to or Read from data EEPROM or Read from program memory
REGISTER 10-2: EEADR: EEPROM ADDRESS REGISTER
R/W-0
EEADR7⁽¹⁾
bit 7
R/W-0
EEADR6
R/W-0
EEADR5
R/W-0
EEADR4
R/W-0
EEADR3
R/W-0
EEADR2
R/W-0
EEADR1
R/W-0
EEADR0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
EEADR<7:0>: 8 Least Significant Address bits for EEPROM Read/Write Operation⁽¹⁾ or Read from program memory
Note 1: PIC16F677/PIC16F685/PIC16F687/PIC16F689/PIC16F690 only.
REGISTER 10-3: EEDATH: EEPROM DATA HIGH BYTE REGISTER⁽¹⁾
U-0
—
bit 7
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
—
EEDATH5
EEDATH4 EEDATH3
EEDATH2
EEDATH1
EEDATH0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5-0
Unimplemented: Read as ‘0’
EEDATH<5:0>: 6 Most Significant Data bits from program memory
Note 1: PIC16F685/PIC16F689/PIC16F690 only.
REGISTER 10-4: EEADRH: EEPROM ADDRESS HIGH BYTE REGISTER⁽¹⁾
U-0
—
bit 7
U-0
U-0
U-0
R/W-0
R/W-0
R/W-0
—
—
—
EEADRH3
EEADRH2
EEADRH1
R/W-0
EEADRH0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-4
bit 3-0
Unimplemented: Read as ‘0’
EEADRH<3:0>: Specifies the 4 Most Significant Address bits or high bits for program memory reads
Note 1: PIC16F685/PIC16F689/PIC16F690 only.
DS41262E-page 120
© 2008 Microchip Technology Inc.