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AT89C5131-RDTIL Datasheet(PDF) 82 Page - ATMEL Corporation

Part # AT89C5131-RDTIL
Description  8-bit Flash Microcontroller with Full Speed USB Device
PDF  176 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C5131-RDTIL Datasheet(HTML) 82 Page - ATMEL Corporation

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AT89C5131
4136B–USB–09/03
Table 67. IPH1 Register
IPH1 - Interrupt Priority High Register (B3h)
Reset Value = XXXX X000b
Not bit addressable
7
6
5
4
3
2
1
0
-
-
-
-
-
PSPIH
-
PKBH
Bit
Number
Bit
Mnemonic
Description
7-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6PUSBH
USB Interrupt Priority High bit
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.
2PSPIH
SPI Interrupt Priority High bit
SPIH
SPIL
Priority Level
0
0
Lowest
01
10
1
1
Highest
1-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
0PKBH
Keyboard Interrupt Priority High bit
KBDH KBDL
Priority Level
0
0
Lowest
01
10
1
1
Highest



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