PIC16F627A_05 Datasheet, PDF (95/180 Pages) Microchip Technology – Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F627A/628A/648A
13.8 Data EEPROM Operation During
Code-Protect
When the device is code-protected, the CPU is able to
read and write data to the data EEPROM.
TABLE 13-1: REGISTERS/BITS ASSOCIATED WITH DATA EEPROM
Address Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-on
Reset
Value on all
other
Resets
9Ah
EEDATA EEPROM Data Register
xxxx xxxx
9Bh
EEADR EEPROM Address Register
xxxx xxxx
9Ch
EECON1
—
—
—
— WRERR WREN WR
RD ---- x000
9Dh
EECON2⁽¹⁾ EEPROM Control Register 2
---- ----
Legend: x = unknown, u = unchanged, - = unimplemented read as ‘0’, q = value depends upon condition.
Shaded cells are not used by data EEPROM.
Note 1: EECON2 is not a physical register.
uuuu uuuu
uuuu uuuu
---- q000
---- ----
© 2005 Microchip Technology Inc.
DS40044D-page 93