PIC18F2331_10 Datasheet, PDF(72/392 Page) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

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PIC18F2331_10 Datasheet, PDF (72/392 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

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PIC18F2331/2431/4331/4431

TABLE 6-2: REGISTER FILE SUMMARY (PIC18F2331/2431/4331/4431) (CONTINUED)

File Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

POR, BOR

EEADR

EEPROM Address Register

0000 0000

EEDATA

EEPROM Data Register

0000 0000

EECON2

EEPROM Control Register 2 (not a physical register)

0000 0000

EECON1

EEPGD

CFGS

â

FREE

WRERR

WREN

WR

RD

xx-0 x000

IPR3

â

â

â

PTIP

IC3DRIP

IC2QEIP

IC1IP

TMR5IP ---1 1111

PIR3

â

â

â

PTIF

IC3DRIF

IC2QEIF

IC1IF

TMR5IF ---0 0000

PIE3

â

â

â

PTIE

IC3DRIE

IC2QEIE

IC1IE

TMR5IE ---0 0000

IPR2

OSCFIP

â

â

EEIP

â

LVDIP

â

CCP2IP 1--1 -1-1

PIR2

OSCFIF

â

â

EEIF

â

LVDIF

â

CCP2IF 0--0 -0-0

PIE2

OSCFIE

â

â

EEIE

â

LVDIE

â

CCP2IE 0--0 -0-0

IPR1

â

ADIP

RCIP

TXIP

SSPIP

CCP1IP

TMR2IP

TMR1IP -111 1111

PIR1

â

ADIF

RCIF

TXIF

SSPIF

CCP1IF

TMR2IF

TMR1IF -000 0000

PIE1

â

ADIE

RCIE

TXIE

SSPIE

CCP1IE

TMR2IE

TMR1IE -000 0000

OSCTUNE

â

â

TUN5

TUN4

TUN3

TUN2

TUN1

TUN0

--00 0000

ADCON3

ADRS1

ADRS0

â

SSRC4

SSRC3

SSRC2

SSRC1

SSRC0 00-0 0000

ADCHS

GDSEL1

GDSEL0

GBSEL1

GBSEL0

GCSEL1

GCSEL0

GASEL1

GASEL0 0000 0000

TRISE(4)

â

â

â

â

â

PORTE Data Direction Register(4)

---- -111

TRISD(4)

PORTD Data Direction Register

1111 1111

TRISC

PORTC Data Direction Register

1111 1111

TRISB

PORTB Data Direction Register

1111 1111

TRISA

TRISA7(2) TRISA6(1) PORTA Data Direction Register

1111 1111

PR5H

Timer5 Period Register High Byte

1111 1111

PR5L

Timer5 Period Register Low Byte

1111 1111

LATE(4)

â

â

â

â

â

LATE Data Output Register

---- -xxx

LATD(4)

LATD Data Output Register

xxxx xxxx

LATC

LATC Data Output Register

xxxx xxxx

LATB

LATB Data Output Register

xxxx xxxx

LATA

LATA7(2)

LATA6(1) LATA Data Output Register

xxxx xxxx

TMR5H

Timer5 Register High Byte

xxxx xxxx

TMR5L

Timer5 Register Low Byte

xxxx xxxx

PORTE

â

â

â

â

RE3(4,5)

RE2(4)

RE1(4)

RE0(4)

---- xxxx

PORTD(4)

RD7

RD6

RD5

RD4

RD3

RD2

RD1

RD0

xxxx xxxx

PORTC

RC7

RC6

RC5

RC4

RC3

RC2

RC1

RC0

xxxx xxxx

PORTB

RB7

RB6

RB5

RB4

RB3

RB2

RB1

RB0

xxxx xxxx

PORTA

RA7(2)

RA6(1)

RA5

RA4

RA3

RA2

RA1

RA0

xx0x 0000

PTCON0

PTOPS3

PTOPS2

PTOPS1

PTOPS0 PTCKPS1 PTCKPS0 PTMOD1 PTMOD0 0000 0000

PTCON1

PTEN

PTDIR

â

â

â

â

â

â

00-- ----

PTMRL

PWM Time Base Register (lower 8 bits)

0000 0000

PTMRH

UNUSED

PWM Time Base Register (upper 4 bits)

---- 0000

PTPERL

PWM Time Base Period Register (lower 8 bits)

1111 1111

PTPERH

UNUSED

PWM Time Base Period Register (upper 4 bits)

---- 1111

Legend:

Note 1:

2:

3:

4:

5:

x = unknown, u = unchanged, - = unimplemented, q = value depends on condition. Shaded cells are unimplemented.

RA6 and associated bits are configured as port pins in RCIO, ECIO and INTIO2 (with port function on RA6) Oscillator modes only and read

â0â in all other oscillator modes.

RA7 and associated bits are configured as port pins in INTIO2 Oscillator mode only and read â0â in all other modes.

Bit 21 of the PC is only available in Test mode and Serial Programming modes.

These registers and/or bits are not implemented on the PIC18F2331/2431 devices and read as â0â.

The RE3 port bit is only available for PIC18F4331/4431 devices when the MCLRE fuse (CONFIG3H<7>) is programmed to â0â; otherwise, RE3

reads â0â. This bit is read-only.

DS39616D-page 72

ï£ 2010 Microchip Technology Inc.

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