80C54 Ver la hoja de datos (PDF) - Atmel Corporation

Número de pieza

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Fabricante

80C54

8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP

Atmel Corporation 

AT/TS8xC54/8X2

Table 10-3. IP Register

IP - Interrupt Priority Register (B8h)

7

6

5

4

3

2

1

0

-

-

PT2

PS

PT1

PX1

PT0

PX0

Bit

Bit

Number Mnemonic

Description

7

-

Reserved

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

6

-

Reserved

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

5

PT2

Timer 2 overflow interrupt Priority bit

Refer to PT2H for priority level.

4

PS

Serial port Priority bit

Refer to PSH for priority level.

3

PT1

Timer 1 overflow interrupt Priority bit

Refer to PT1H for priority level.

2

PX1

External interrupt 1 Priority bit

Refer to PX1H for priority level.

1

PT0

Timer 0 overflow interrupt Priority bit

Refer to PT0H for priority level.

0

PX0

External interrupt 0 Priority bit

Refer to PX0H for priority level.

Reset Value = XX00 0000b

Bit addressable

27

4431E–8051–04/06

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