PIC16LF1828T-I/SO 데이터 시트보기 (PDF) - Microchip Technology

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PIC16LF1828T-I/SO

28/40/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC16(L)F1824/1828

REGISTER 14-1: FVRCON: FIXED VOLTAGE REFERENCE CONTROL REGISTER

R/W-0/0

FVREN

bit 7

R-q/q

FVRRDY(1)

R/W-0/0

TSEN

R/W-0/0

TSRNG

R/W-0/0

CDAFVR1

R/W-0/0

CDAFVR0

R/W-0/0

ADFVR1

R/W-0/0

ADFVR0

bit 0

Legend:

R = Readable bit

u = Bit is unchanged

‘1’ = Bit is set

W = Writable bit

x = Bit is unknown

‘0’ = Bit is cleared

U = Unimplemented bit, read as ‘0’

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

q = Value depends on condition

bit 7

bit 6

bit 5

bit 4

bit 3-2

bit 1-0

FVREN: Fixed Voltage Reference Enable bit

0 = Fixed Voltage Reference is disabled

1 = Fixed Voltage Reference is enabled

FVRRDY: Fixed Voltage Reference Ready Flag bit(1)

0 = Fixed Voltage Reference output is not ready or not enabled

1 = Fixed Voltage Reference output is ready for use

TSEN: Temperature Indicator Enable bit(3)

0 = Temperature Indicator is disabled

1 = Temperature Indicator is enabled

TSRNG: Temperature Indicator Range Selection bit(3)

0 = VOUT = VDD - 4VT (High Range)

1 = VOUT = VDD - 2VT (Low Range)

CDAFVR<1:0>: Comparator and DAC Fixed Voltage Reference Selection bits

00 = Comparator and DAC Fixed Voltage Reference Peripheral output is off.

01 = Comparator and DAC Fixed Voltage Reference Peripheral output is 1x (1.024V)

10 = Comparator and DAC Fixed Voltage Reference Peripheral output is 2x (2.048V)(2)

11 = Comparator and DAC Fixed Voltage Reference Peripheral output is 4x (4.096V)(2)

ADFVR<1:0>: ADC Fixed Voltage Reference Selection bits

00 = ADC Fixed Voltage Reference Peripheral output is off.

01 = ADC Fixed Voltage Reference Peripheral output is 1x (1.024V)

10 = ADC Fixed Voltage Reference Peripheral output is 2x (2.048V)(2)

11 = ADC Fixed Voltage Reference Peripheral output is 4x (4.096V)(2)

Note 1:

2:

3:

FVRRDY is always ‘1’ on devices with the LDO (PIC16F1824/1828).

Fixed Voltage Reference output cannot exceed VDD.

See Section 15.0 “Temperature Indicator Module” for additional information.

TABLE 14-1: SUMMARY OF REGISTERS ASSOCIATED WITH THE FIXED VOLTAGE REFERENCE

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

FVRCON

FVREN FVRRDY

TSEN

TSRNG CDAFVR1 CDAFVR0 ADFVR1

Legend: Shaded cells are unused by the Fixed Voltage Reference module.

Bit 0

ADFVR0

Register

on page

146

DS41419B-page 146

Preliminary

 2010 Microchip Technology Inc.

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