PIC10LF322T-EMCSQTP datasheet(86/210 Pages) MICROCHIP

86 / 210 page

PIC10(L)F320/322

DS41585A-page 86

Preliminary

 2011 Microchip Technology Inc.

12.3

FVR Control Registers

TABLE 12-2:

SUMMARY OF REGISTERS ASSOCIATED WITH FIXED VOLTAGE REFERENCE

FVRCON: FIXED VOLTAGE REFERENCE CONTROL REGISTER

R/W-0/0

R-q/q

R/W-0/0

U-0

R/W-0/0

FVREN

FVRRDY(1)

TSEN

TSRNG

—

—ADFVR<1:0>

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

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

‘1’ = Bit is set

‘0’ = Bit is cleared

q = Value depends on condition

bit 7

FVREN:

Fixed Voltage Reference Enable bit

= Fixed Voltage Reference is enabled

= Fixed Voltage Reference is disabled

bit 6

FVRRDY:

Fixed Voltage Reference Ready Flag bit(1)

= Fixed Voltage Reference output is ready for use

= Fixed Voltage Reference output is not ready or not enabled

bit 5

TSEN:

Temperature Indicator Enable bit(3)

= Temperature Indicator is enabled

= Temperature Indicator is disabled

bit 4

TSRNG:

Temperature Indicator Range Selection bit(3)

=VOUT = VDD - 4VT (High Range)

=VOUT = VDD - 2VT (Low Range)

bit 3-2

Unimplemented

: Read as ‘0 ‘

bit 1-0

ADFVR<1:0>:

ADC Fixed Voltage Reference Selection bit

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

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

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

= ADC Fixed Voltage Reference Peripheral output is off.

Note 1:

FVRRDY indicates the true state of the FVR.

Fixed Voltage Reference output cannot exceed VDD.

See Section 14.0 “Temperature Indicator Module” for additional information.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

on page

FVRCON

FVREN

FVRRDY

TSEN

TSRNG

—

—ADFVR<1:0>

Legend:

Shaded cells are not used with the Fixed Voltage Reference.

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