TS80C31X2-LIE【PDF 11/42 页】IC MCU 8BIT 30/20MHZ 44-VQFP

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Sheet目录3841

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4428E–8051–02/08

AT/TS80C31X2

Table 10-3.

IP Register -- IP - Interrupt Priority Register (B8h)

Reset Value = XXX0 0000b

Bit addressable

PT1

PX1

PT0

PX0

Bit

Number

Bit

Mnemonic

Description

Reserved

The value read from this bit is indeterminate. Do not set this bit.

Reserved

The value read from this bit is indeterminate. Do not set this bit.

Reserved

The value read from this bit is indeterminate. Do not set this bit.

Serial port Priority bit

Refer to PSH for priority level.

PT1

Timer 1 overflow interrupt Priority bit

Refer to PT1H for priority level.

PX1

External interrupt 1 Priority bit

Refer to PX1H for priority level.

PT0

Timer 0 overflow interrupt Priority bit

Refer to PT0H for priority level.

PX0

External interrupt 0 Priority bit

Refer to PX0H for priority level.

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