參數(shù)資料
型號(hào): T89C51SND1-ROTIL
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Single Chip Microcontroller with MP3 Decoder and Man Machine Interface
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP80
封裝: TQFP-80
文件頁數(shù): 144/170頁
文件大?。?/td> 1927K
代理商: T89C51SND1-ROTIL
144
A/T89C51CC01
4129L–CAN–08/05
Table 117.
IPL0 Register
IPL0 (S:B8h)
Interrupt Enable Register
Reset Value = X000 0000b
bit addressable
7
6
5
4
3
2
1
0
-
PPC
PT2
PS
PT1
PX1
PT0
PX0
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
PPC
PCA Interrupt Priority bit
Refer to PPCH for priority level
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.
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