PIC24F04KA201 datasheet(144/224 Pages) MICROCHIP

144 / 224 page

PIC24F04KA201 FAMILY

DS39937B-page 142

Preliminary

HLVDCON: HIGH/LOW-VOLTAGE DETECT CONTROL REGISTER

R/W-0

U-0

R/W-0

U-0

HLVDEN

—HLSIDL

—

bit 15

bit 8

R/W-0

U-0

R/W-0

VDIR

BGVST

IRVST

—

HLVDL3

HLVDL2

HLVDL1

HLVDL0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 15

HLVDEN:

High/Low-Voltage Detect Power Enable bit

= HLVD enabled

= HLVD disabled

bit 14

Unimplemented:

Read as ‘0’

bit 13

HLSIDL:

HLVD Stop in Idle Mode bit

= Discontinue module operation when device enters Idle mode

= Continue module operation in Idle mode

bit 12-8

Unimplemented:

Read as ‘0’

bit 7

VDIR:

Voltage Change Direction Select bit

= Event occurs when voltage equals or exceeds trip point (HLVDL<3:0>)

= Event occurs when voltage equals or falls below trip point (HLVDL<3:0>)

bit 6

BGVST:

Band Gap Voltage Stable Flag bit

= Indicates that the band gap voltage is stable

= Indicates that the band gap voltage is unstable

bit 5

IRVST:

Internal Reference Voltage Stable Flag bit

= Indicates that the internal reference voltage is stable and the high-voltage detect logic generates

the interrupt flag at the specified voltage range

= Indicates that the internal reference voltage is unstable and the high-voltage detect logic will not

generate the interrupt flag at the specified voltage range, and the HLVD interrupt should not be

enabled

bit 4

Unimplemented:

Read as ‘0’

bit 3-0

HLVDL<3:0>:

High/Low-Voltage Detection Limit bits

1111

= External analog input is used (input comes from the HLVDIN pin)

1110

= Trip point 1(1)

1101

= Trip point 2(1)

1100

= Trip point 3(1)

0000

= Trip point 15(1)

Note 1:

For actual trip point, refer to Section 26.0 “Electrical Characteristics”.

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