PIC16F737-I/SP【PDF 155/231 页】IC PIC MCU FLASH 4KX14 28DIP

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Sheet目录3841

151页 152页 153页 154页 [155页]156页 157页 158页 159页

2009 Microchip Technology Inc.

DS39636D-page 243

PIC18F2X1X/4X1X

REGISTER 22-4:

CONFIG3H: CONFIGURATION REGISTER 3 HIGH (BYTE ADDRESS 300005h)

REGISTER 22-5:

CONFIG4L: CONFIGURATION REGISTER 4 LOW (BYTE ADDRESS 300006h)

R/P-1

U-0

R/P-0

R/P-1

MCLRE

—

LPT1OSC

PBADEN

CCP2MX

bit 7

bit 0

bit 7

MCLRE: MCLR Pin Enable bit

1 = MCLR pin enabled; RE3 input pin disabled

0 = RE3 input pin enabled; MCLR disabled

bit 6-3

Unimplemented: Read as ‘0’

bit 2

LPT1OSC: Low-Power Timer1 Oscillator Enable bit

1 = Timer1 configured for low-power operation

0 = Timer1 configured for higher power operation

bit 1

PBADEN: PORTB A/D Enable bit

(Affects ADCON1 Reset state. ADCON1 controls PORTB<4:0> pin configuration.)

1 = PORTB<4:0> pins are configured as analog input channels on Reset

0 = PORTB<4:0> pins are configured as digital I/O on Reset

bit 0

CCP2MX: CCP2 Mux bit

1 = CCP2 input/output is multiplexed with RC1

0 = CCP2 input/output is multiplexed with RB3

Legend:

R = Readable bit

P = Programmable bit

U = Unimplemented bit, read as ‘0’

-n = Value when device is unprogrammed

u = Unchanged from programmed state

R/P-1

R/P-0

U-0

R/P-1

U-0

R/P-1

DEBUG

XINST

—

—LVP

—STVREN

bit 7

bit 0

bit 7

DEBUG: Background Debugger Enable bit

1 = Background debugger disabled, RB6 and RB7 configured as general purpose I/O pins

0 = Background debugger enabled, RB6 and RB7 are dedicated to In-Circuit Debug

bit 6

XINST: Extended Instruction Set Enable bit

1 = Instruction set extension and Indexed Addressing mode enabled

0 = Instruction set extension and Indexed Addressing mode disabled (Legacy mode)

bit 5-3

Unimplemented: Read as ‘0’

bit 2

LVP: Single-Supply ICSP Enable bit

1 = Single-Supply ICSP enabled

0 = Single-Supply ICSP disabled

bit 1

Unimplemented: Read as ‘0’

bit 0

STVREN: Stack Full/Underflow Reset Enable bit

1 = Stack full/underflow will cause Reset

0 = Stack full/underflow will not cause Reset

Legend:

R = Readable bit

C = Clearable bit

U = Unimplemented bit, read as ‘0’

-n = Value when device is unprogrammed

u = Unchanged from programmed state

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