89C5121-SK1 Atmel, 89C5121-SK1 Datasheet - Page 55
89C5121-SK1
Manufacturer Part Number
89C5121-SK1
Description
KIT SMART CARD FOR AT89C5121
Manufacturer
Atmel
Type
Smart Cardr
Datasheet
1.89C5121-SK1.pdf
(115 pages)
Specifications of 89C5121-SK1
Contents
Board
For Use With/related Products
AT89C5121
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
T89C5121-SK1
T89C5121-SK1
T89C5121-SK1
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4164G–SCR–07/06
Table 38. IPH0 Register
Reset Value = XXX0 0000b
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
PX1H
PX0H
PT1H
PT0H
PSH
Bit
6
-
-
-
-
Description
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.
Serial port Priority High bit
PSH PS
0
0
1
1
Timer 1 overflow interrupt Priority High bit
PT1H PT1 Priority Level
0
0
1
1
External interrupt 1 Priority High bit
PX1H PX1 Priority Level
0
0
1
1
Timer 0 overflow interrupt Priority High bit
PT0H PT0
0
0
1
1
External interrupt 0 Priority High bit
PX0 HPX0 Priority Level
0
0
1
1
5
-
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Priority Level
Lowest
Highest
Lowest
Highest
Lowest
Highest
Priority Level
Lowest
Highest
Lowest
Highest
PSH
4
PT1H
3
PX1H
2
A/T8xC5121
PT0H
1
PX0H
0
55
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