AT89C5131A-RDTIM Atmel, AT89C5131A-RDTIM Datasheet - Page 83
AT89C5131A-RDTIM
Manufacturer Part Number
AT89C5131A-RDTIM
Description
C5131A 32K FLASH USB VQFP64 IND, 5V
Manufacturer
Atmel
Datasheet
1.AT89C5131A-RDTIM.pdf
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AT89C5131
Table 67. IPH1 Register
IPH1 - Interrupt Priority High Register (B3h)
Reset Value = X0XX X000b
Not bit addressable
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
PUSBH
PUSBH
PTWIH
PSPIH
PKBH
Bit
6
-
-
-
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
USB Interrupt Priority High bit
PUSBH PUSBL Priority Level
0
0
1
1
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
SPI Interrupt Priority High bit
PSPIH PSPIL Priority Level
0
0
1
1
TWI Interrupt Priority High bit
PTWIH PTWIL Priority Level
0
0
1
1
Keyboard Interrupt Priority High bit
PKBH PKBL
0
0
1
1
5
-
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Lowest
Highest
Lowest
Highest
Lowest
Highest
Priority Level
Lowest
Highest
4
-
3
-
PSPIH
2
PTWIH
1
4136C–USB–04/05
PKBH
0
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