at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet - Page 116
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
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116
AT89C51AC3
Table 66. IEN1 Register
IEN1 (S:E8h)
Interrupt Enable Register
Reset Value = xxxx 0x0xb
bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
EADC
ESPI
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 Enable bit
Clear to disable the SPI interrupt.
Set to enable the SPI interrupt.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
ADC Interrupt Enable bit
Clear to disable the ADC interrupt.
Set to enable the ADC interrupt.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
4
-
ESPI
3
2
-
4383D–8051–02/08
EADC
1
0
-
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