HT85F2250 datasheet(97/187 Pages) HOLTEK

97 / 187 page

Rev. 1.10

97 of 187

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A/D Flash 8051 Core Low Pin Count MCU

HT85F2250/HT85F2262

High byte of Interrupt Priority Register 0: IP0H

SFR Address: B9h

Bit

Name

—

PT�H

PS0H

PT1H

PX1H

PT0H

PX0H

R/W

—

R/W

POR

—

Bit 7~6

Unimplemented, read as “0”

Bit 5

PT2H: Timer 2 Interrupt priority high

High order bit for Timer 2 interrupt priority level.

Bit 4

PS0H: UART 0 Interrupt priority high

High order bit for UART 0 interrupt priority level.

Bit 3

PT1H: Timer 1 Interrupt priority high

High order bit for Timer 1 interrupt priority level.

Bit 2

PX1H: External interrupt 1 priority high

High order bit for External Interupt 1 interrupt priority level.

Bit 1

PT0H: Timer 0 Interrupt priority high

High order bit for Timer 0 interrupt priority level.

Bit 0

PX0H: External interrupt 0 priority high

High order bit for External Interupt 0 interrupt priority level.

Low byte of Interrupt Priority Register 1: IP1

SFR Address: E4h

Bit

Name

—

PCMP

PCCU�

PCCU1

PCCU0

R/W

—

R/W

POR

—

Bit 7~5

Unimplemented, read as “0”

Bit 4

PCMP: Comparator Interrupt priority low

Low order bit for Comparator interrupt priority level.

Bit 3

PCCU3: CCU3 Interrupt priority low

Low order bit for CCU3 interrupt priority level.

Bit 2

PCCU2: CCU2 Interrupt priority low

Low order bit for CCU2 interrupt priority level.

Bit 1

PCCU1: CCU1 Interrupt priority low

Low order bit for CCU1 interrupt priority level.

Bit 0

PCCU0: CCU0 Interrupt priority low

Low order bit for CCU0 interrupt priority level.

HT85F2250 数据表(PDF) 97 Page - Holtek Semiconductor Inc

HT85F2250 数据表(HTML) 97 Page - Holtek Semiconductor Inc

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