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T89C5115 Datasheet(PDF) 28 Page - ATMEL Corporation

No. de Pieza. T89C5115
Descripción  Low Pin Countl 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
Descarga  113 Pages
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Fabricante  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
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T89C5115 Datasheet(HTML) 28 Page - ATMEL Corporation

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AT89C5115
4128F–8051–05/06
Table 18. AUXR1 Register
AUXR1 (S:A2h)
Auxiliary Control Register 1
Reset Value = XXXX 00X0b
Note:
1. ENBOOT is initialized with the invert BLJB at reset. See In-System Programming
section.
76
54
32
1
0
-
-
ENBOOT
-
GF3
0
-
DPS
Bit
Number
Bit
Mnemonic
Description
7 - 6
-
Reserved
The value read from these bits is indeterminate. Do not set these bits.
5ENBOOT
(1)
Enable Boot Flash
Set this bit to map the boot Flash between F800h -FFFFh
Clear this bit to disable boot Flash.
4-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
3GF3
General Purpose Flag 3
20
Always Zero
This bit is stuck to logic 0 to allow INC AUXR1 instruction without affecting GF3
flag.
1-
Reserved for Data Pointer Extension
0DPS
Data Pointer Select bit
Set to select second dual data pointer: DPTR1.
Clear to select first dual data pointer: DPTR0.


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