AT83C51RB2-3CSCM 查看數據表（PDF） - Atmel Corporation

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AT83C51RB2-3CSCM

80C51 High Performance ROM 8-bit Microcontroller

Atmel Corporation 

Table 37. IPL1 Register

IPL1 - Interrupt Priority Register (B2h)

7

6

5

4

3

2

1

-

-

-

-

-

-

-

Bit

Number

7

6

5

4

3

2

1

0

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.

-

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.

-

Reserved

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

KBDL

Keyboard Interrupt Priority bit

Refer to KBDH for priority level.

Reset Value = XXXX XXX0b

Bit addressable

0

KBDL

52 AT80C51RD2/AT83C51Rx2

4113B–8051–03/05

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