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AT89C51ED2-RDTIM 数据表(PDF) 79 Page - ATMEL Corporation

部件名 AT89C51ED2-RDTIM
功能描述  8-bit Flash Microcontroller
PDF  137 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C51ED2-RDTIM 数据表(HTML) 79 Page - ATMEL Corporation

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AT89C51RD2/ED2
4235E–8051–04/04
Table 56. IEN1 Register
IEN1 - Interrupt Enable Register (B1h)
Reset Value = XXXX X000b
Bit addressable
76
54
32
1
0
---
--
ESPI
-
KBD
Bit
Number
Bit
Mnemonic
Description
7-
Reserved
6-
Reserved
5-
Reserved
4-
Reserved
3-
Reserved
2ESPI
SPI interrupt Enable bit
Cleared to disable SPI interrupt.
Set to enable SPI interrupt.
1
Reserved
0
KBD
Keyboard interrupt Enable bit
Cleared to disable keyboard interrupt.
Set to enable keyboard interrupt.



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