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PIC16F688-E/ST Datasheet(PDF) 77 Page - Microchip Technology

Part # PIC16F688-E/ST
Description  14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  174 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F688-E/ST Datasheet(HTML) 77 Page - Microchip Technology

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 2004 Microchip Technology Inc.
Preliminary
DS41203B-page 75
PIC16F688
FIGURE 9-1:
FLASH PROGRAM MEMORY READ CYCLE EXECUTION
TABLE 9-1:
REGISTERS/BITS ASSOCIATED WITH DATA EEPROM
Addr
Name
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2
Bit 1Bit 0
Value on
POR, BOD
Value on
all other
Resets
0Bh/8Bh
INTCON
GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF
RAIF
0000 0000 0000 0000
0Ch
PIR1
EEIF
ADIF
RCIF
C2IF
C1IF
OSFIF
TXIF
TMR1IF 0000 0000 0000 0000
8Ch
PIE1
EEIE
ADIE
RCIE
C2IE
C1IE
OSFIE
TXIE
TMR1IE 0000 0000 0000 0000
97h
EEDATH
EEPROM Data register, high byte
--00 0000 0000 0000
98h
EEADRH
EEPROM Address register, high byte
---- 0000 0000 0000
9Ah
EEDAT
EEDAT7 EEDAT6 EEDAT5 EEDAT4 EEDAT3 EEDAT2 EEDAT1 EEDAT0 0000 0000 0000 0000
9Bh
EEADR
EEADR7 EEADR6 EEADR5 EEADR4 EEADR3 EEADR2 EEADR1 EEADR0 0000 0000 0000 0000
9Ch
EECON1
EEPGD
—
—
—
WRERR
WREN
WR
RD
---- x000 ---- q000
9Dh
EECON2(1)
—
—
—
—
—
—
—
——
—
Legend:
x
= unknown, u = unchanged, - = unimplemented read as ‘0’, q = value depends upon condition.
Shaded cells are not used by data EEPROM module.
Note
1:
EECON2 is not a physical register.
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
BSF EECON1,RD
executed here
INSTR(PC+1)
executed here
Forced NOP
executed here
PC
PC+1
EEADRH,EEADR
PC+3
PC+5
Flash ADDR
RD bit
EEDATH,EEDAT
PC+3
PC+4
INSTR (PC+1)
INSTR(PC-1)
executed here
INSTR(PC+3)
executed here
INSTR(PC+4)
executed here
Flash Data
EEDATH
EEDAT
Register
EERHLT
INSTR (PC)
INSTR (PC+3)
INSTR (PC+4)



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