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AT89C5131A-RDTIL 数据表(PDF) 82 Page - ATMEL Corporation

部件名 AT89C5131A-RDTIL
功能描述  8-bit Flash Microcontroller with Full Speed USB Device
PDF  185 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C5131A-RDTIL 数据表(HTML) 82 Page - ATMEL Corporation

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AT89C5131A-L
4338E–USB–06/06
Table 65. IPL1 Register
IPL1 - Interrupt Priority Register (B2h)
Reset Value = X0XX X000b
Not bit addressable
7
6
5
4
3
2
1
0
-
PUSBL
-
-
-
PSPIL
PTWIL
PKBDL
Bit
Number
Bit
Mnemonic
Description
7-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6PUSBL
USB Interrupt Priority bit
Refer to PUSBH for priority level.
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
PSPIL
SPI Interrupt Priority bit
Refer to PSPIH for priority level.
1PTWIL
TWI Interrupt Priority bit
Refer to PTWIH for priority level.
0PKBL
Keyboard Interrupt Priority bit
Refer to PKBH for priority level.



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