HT85F2240 datasheet(89/147 Pages) HOLTEK

89 / 147 page

Rev. 1.10

89 of 147

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A/D Flash 8051 Core Low Pin Count MCU

HT85F2230/HT85F2240

High byte of Interrupt Priority Register 2: IP2H

SFR Address: E7h

Bit

Name

—

PLVDH

—

R/W

—

R/W

—

POR

—

Bit 7~2

Unimplemented, read as “0”

Bit 1

PLVDH: LVD Interrupt priority high

High order bit for LVD interrupt priority level.

Bit 0

Unimplemented, read as “0”

Low byte of Interrupt Priority Register 3: IP3

SFR Address: CEh

Bit

Name

—

PTB

PADC

—

R/W

—

R/W

—

POR

—

Bit 7~4

Unimplemented, read as “0”

Bit 3

PTB: Time Base Interrupt Priority low

Low order bit for Time Base Interrupt Priority level.

Bit 2

PADC: ADC Interrupt priority low

Low order bit for ADC interrupt priority level.

Bit 1~0

Unimplemented, read as “0”

How byte of Interrupt Priority Register 3: IP3H

SFR Address: CFh

Bit

Name

—

PTBH

PADCH

—

R/W

—

R/W

—

POR

—

Bit 7~4

Unimplemented, read as “0”

Bit 3

PTBH: Time Base Interrupt Priority high

High order bit for Time Base Interrupt Priority level.

Bit 2

PADCH: ADC Interrupt priority high

High order bit for ADC interrupt priority level.

Bit 1~0

Unimplemented, read as “0”

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