PIC16F1934-ESLASHML datasheet(128/508 Pages) MICROCHIP

128 / 508 page

PIC16F193X/LF193X

DS41364D-page 128

Preliminary

 2009 Microchip Technology Inc.

TABLE 11-3:

SUMMARY OF REGISTERS ASSOCIATED WITH DATA EEPROM

EECON2: EEPROM CONTROL 2 REGISTER

W-0/0

EEPROM Control Register 2

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

S = Bit can only be set

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-0

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.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Page

EECON1

EEPGD

CFGS

LWLO

FREE

WRERR

WREN

127

EECON2

EEPROM Control Register 2 (not a physical register)

115*

EEADRL

EEADRL<7:0>

126

EEADRH

—

EEADRH<6:0

126

EEDATL

EEDATL<7:0>

126

EEDATH

—

EEDATH<5:0>

126

INTCON

GIE

PEIE

TMR0IE

INTE

IOCIE

TMR0IF

INTF

IOCIF

PIE2

OSFIE

C2IE

C1IE

EEIE

BCLIE

LCDIE

—

CCP2IE

101

PIR2

OSFIF

C2IF

C1IF

EEIF

BCLIF

LCDIF

—

CCP2IF

104

Legend:

—

= unimplemented location, read as ‘0’. Shaded cells are not used by Data EEPROM module.

Page provides register information.

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