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AT80C51RB2-3CSIM bảng dữ liệu(PDF) 48 Page - ATMEL Corporation

tên linh kiện AT80C51RB2-3CSIM
Giải thích chi tiết về linh kiện  80C51 High Performance ROM 8-bit Microcontroller
PDF  83 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT80C51RB2-3CSIM bảng dữ liệu(HTML) 48 Page - ATMEL Corporation

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49
AT80C51RD2/AT83C51Rx2
4113B–8051–03/05
Table 34. IPL0 Register
IPL0 - Interrupt Priority Register (B8h)
Reset Value = X000 0000b
Bit addressable
7654
3210
-
PPCL
PT2L
PSL
PT1L
PX1L
PT0L
PX0L
Bit
Number
Bit
Mnemonic
Description
7-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6PPCL
PCA interrupt priority bit
Refer to PPCH for priority level.
5PT2L
Timer 2 overflow interrupt priority bit
Refer to PT2H for priority level.
4
PSL
Serial port priority bit
Refer to PSH for priority level.
3PT1L
Timer 1 overflow interrupt priority bit
Refer to PT1H for priority level.
2PX1L
External interrupt 1 priority bit
Refer to PX1H for priority level.
1PT0L
Timer 0 overflow interrupt priority bit
Refer to PT0H for priority level.
0PX0L
External interrupt 0 priority bit
Refer to PX0H for priority level.



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