Microchip Technology MCP1631RD-MCC2 Data Sheet
PIC16F882/883/884/886/887
DS41291G-page 116
2006-2012 Microchip Technology Inc.
REGISTER DEFINITIONS: DATA EEPROM CONTROL
REGISTER 10-1:
EEDAT: EEPROM DATA REGISTER
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
EEDAT7
EEDAT6
EEDAT5
EEDAT4
EEDAT3
EEDAT2
EEDAT1
EEDAT0
bit 7
bit 0
Legend:
R = Readable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘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
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
EEADR7
EEADR6
EEADR5
EEADR4
EEADR3
EEADR2
EEADR1
EEADR0
bit 7
bit 0
Legend:
R = Readable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘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
REGISTER 10-3:
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
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
Unimplemented: Read as ‘0’
bit 5-0
EEDATH<5:0>: 6 Most Significant Data bits from program memory
REGISTER 10-4:
EEADRH: EEPROM ADDRESS HIGH BYTE REGISTER
U-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
—
—
—
EEADRH4
(1)
EEADRH3
EEADRH2
EEADRH1
EEADRH0
bit 7
bit 0
Legend:
R = Readable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-5
Unimplemented: Read as ‘0’
bit 4-0
EEADRH<4:0>: Specifies the 4 Most Significant Address bits or high bits for program memory reads
Note 1:
PIC16F886/PIC16F887 only.