PIC16F688
REGISTER 9-1:
EEDAT: EEPROM DATA REGISTER
R/W-0
EEDAT7
bit 7
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
EEDAT6
EEDAT5
EEDAT4
EEDAT3
EEDAT2
EEDAT1
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
EEDATn: Byte Value to Write to or Read from Data EEPROM bits
REGISTER 9-2:
EEADR: EEPROM ADDRESS REGISTER
R/W-0
EEADR7
bit 7
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
EEADR6
EEADR5
EEADR4
EEADR3
EEADR2
EEADR1
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
(1)
bit 7-0
EEADR<7:0>: 8 Least Significant Address bits for EEPROM Read/Write Operation or Read from program memory
REGISTER 9-3:
EEDATH: EEPROM DATA HIGH BYTE REGISTER
U-0
—
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 7
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
REGISTER 9-4:
EEADRH: EEPROM ADDRESS HIGH BYTE REGISTER
U-0
—
U-0
—
U-0
—
U-0
—
R/W-0
R/W-0
R/W-0
R/W-0
EEADRH3
EEADRH2
EEADRH1
EEADRH0
bit 7
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
DS41203D-page 78
© 2007 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
