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AT89C51ID2-RDTIM Fiches technique(PDF) 70 Page - ATMEL Corporation

No de pièce AT89C51ID2-RDTIM
Description  8-bit Flash Microcontroller
PDF  159 Pages
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Fabricant  ATMEL [ATMEL Corporation]
Site Internet  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51ID2-RDTIM Fiches technique(HTML) 70 Page - ATMEL Corporation

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AT89C51ID2
4289A–8051–09/03
Table 52. IPL1 Register
IPL1 - Interrupt Priority Register (B2h)
Reset Value = XXXX X000b
Bit addressable
Table 53.
7654
3210
-----
SPIL
TWIL
KBDL
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.
2SPIL
SPI interrupt Priority bit
Refer to SPIH for priority level.
1TWIL
TWI interrupt Priority bit
Refer to TWIH for priority level.
0KBDL
Keyboard interrupt Priority bit
Refer to KBDH for priority level.



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