at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet - Page 118
at89c51ac3-s3sim
Manufacturer Part Number
at89c51ac3-s3sim
Description
At89c51ac3 Enhanced 8-bit Microcontroller With 64kb Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51AC3-S3SIM.pdf
(140 pages)
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118
AT89C51AC3
Table 68. IPL1 Register
IPL1 (S:F8h)
Interrupt Priority Low Register 1
Reset Value = XXXX 0X0Xb
bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
PADCL
SPIL
Bit
6
-
-
-
-
-
-
-
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.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
SPI Interrupt Priority Level Less Significant Bit
Refer to SPIH for priority level.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
ADC Interrupt Priority Level Less Significant Bit
Refer to PSPIH for priority level.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
4
-
SPIL
3
2
-
4383D–8051–02/08
PADCL
1
0
-
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