PIC18F010T-I/SN データシートの表示（PDF） - Microchip Technology

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PIC18F010T-I/SN

High Performance Microcontrollers

Microchip Technology 

PIC18F010/020

11.1 Control Register

The Low Voltage Detect Control register controls the

operation of the Low Voltage Detect circuitry.

REGISTER 11-1: LVDCON REGISTER

U-0

—

bit 7

U-0

R-0

—

BGST

R/W-0

LVDEN

R/W-0

LVV3

R/W-1

LVV2

R/W-0

LVV1

R/W-1

LVV0

bit 0

bit 7-6

bit 5

bit 4

bit 3-0

Unimplemented: Read as '0'

BGST: Bandgap Stable Status Flag bit

1 = Indicates that the bandgap voltage is stable and LVD interrupt is reliable

0 = Indicates that the bandgap voltage is not stable and LVD interrupt should not be enabled

LVDEN: Low Voltage Detect Power Enable bit

1 = Enables LVD, powers up LVD circuit and bandgap reference generator

0 = Disables LVD, powers down LVD and bandgap circuits

LVV3:LVV0: Low Voltage Detection Limit bits

1111 = Reserved

1110 = Reserved

1101 = 4.0V

1100 = 3.5V

1011 = 3.0V

1010 = 2.9V

1001 = 2.8V

1000 = 2.7V

0111 = 2.6V

0110 = 2.5V

0101 = 2.4V

0100 = 2.3V

0011 = 2.2V

0010 = 2.1V

0001 = 2.0V

0000 = 1.9V

Legend:

R = Readable bit

U = Unimplemented bit, read as ‘0’

W = Writable bit

- n = Value at POR Reset

Note: This register must be unlocked to modify, see Section 12.4.

 2001 Microchip Technology Inc.

Preliminary

DS41142A-page 79

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