參數(shù)資料
型號: AT83C51RB2XXX-SLSIL
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Microcontroller
中文描述: 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 52/81頁
文件大?。?/td> 1082K
代理商: AT83C51RB2XXX-SLSIL
53
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
Table 38.
IPH1 Register
IPH1 - Interrupt Priority High Register (B3h)
Reset Value = XXXX XXX0b
Not bit addressable
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
KBDH
Bit
Number
Bit
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
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
3
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
2
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
1
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
0
KBDH
Keyboard interrupt Priority High bit
KB DH KBDL Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
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