PIC12F1822 MICROCHIP [Microchip Technology], PIC12F1822 Datasheet - Page 116
PIC12F1822
Manufacturer Part Number
PIC12F1822
Description
8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC12F1822.pdf
(398 pages)
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PIC12F/LF1822/16F/LF1823
REGISTER 11-6:
TABLE 11-3:
DS41413A-page 116
EECON1
EECON2
EEADRL
EEADRH
EEDATL
EEDATH
INTCON
PIE2
PIR2
Legend: — = unimplemented location, read as ‘0’. Shaded cells are not used by Data EEPROM module.
Note 1:
bit 7
Legend:
R = Readable bit
S = Bit can only be set
‘1’ = Bit is set
bit 7-0
Name
W-0/0
*
Page provides register information.
PIC16F/LF1823 only.
EEPGD
OSFIE
OSFIF
Bit 7
GIE
—
—
Data EEPROM Unlock Pattern bits
To unlock writes, a 55h must be written first, followed by an AAh, before setting the WR bit of the
EECON1 register. The value written to this register is used to unlock the writes. There are specific
timing requirements on these writes. Refer to Section 11.2.2 “Writing to the Data EEPROM
Memory” for more information.
SUMMARY OF REGISTERS ASSOCIATED WITH DATA EEPROM
W-0/0
EECON2: EEPROM CONTROL 2 REGISTER
C2IE
C2IF
CFGS
PEIE
Bit 6
—
(1)
(1)
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
EEPROM Control Register 2 (not a physical register)
W-0/0
TMR0IE
LWLO
Bit 5
C1IE
C1IF
EEPROM Control Register 2
W-0/0
FREE
Bit 4
INTE
EEIE
EEIF
Preliminary
EEADRL<7:0>
EEDATL<7:0>
EEADRH<6:0
WRERR
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
BCL1IE
BCL1IF
IOCIE
Bit 3
EEDATH<5:0>
W-0/0
TMR0IF
WREN
Bit 2
—
—
W-0/0
Bit 1
INTF
WR
—
—
2010 Microchip Technology Inc.
W-0/0
IOCIF
Bit 0
RD
—
—
Register
on Page
W-0/0
116*
115
114
114
114
114
89
91
93
bit 0
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