Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

AT89C5122D-RDRUM Datasheet(PDF) 23 Page - ATMEL Corporation

Part # AT89C5122D-RDRUM
Description  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C5122D-RDRUM Datasheet(HTML) 23 Page - ATMEL Corporation

Back Button AT89C5122D-RDRUM Datasheet HTML 19Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 20Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 21Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 22Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 23Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 24Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 25Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 26Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 27Page - ATMEL Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 23 / 208 page
background image
23
AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
Table 6.
Auxiliary Register 1 AUXR1- (0A2h) for AT8xC5122
Reset Value = XX1X XX0X0b (Not bit addressable)
Table 7.
Auxiliary Register 1 AUXR1- (0A2h) for AT83C5123
Reset Value = XXXX XX0X0b (Not bit addressable)
7
6
5
4
3
2
1
0
--
ENBOOT
-
GF3
0
-
DPS
Bit
Number
Bit
Mnemonic
Description
7 - 6
-
Reserved
The value read from this bit is indeterminate. Do not change these bits.
5ENBOOT
Enable Boot ROM (CRAM / E2PROM version only)
Set this bit to map the Boot ROM from 8000h to FFFFh. If the PC increments
beyond 7FFFh address, the code is fetch from internal ROM
Clear this bit to disable Boot ROM. If the PC increments beyond 7FFFh address,
the code is fetch from external code memory (C51 standard roll over function)
This bit is forced to 1 at reset
4-
Reserved
The value read from this bit is indeterminate. Do not change this bit.
3
GF3
This bit is a general-purpose user flag.
2
0
Always cleared.
1-
Reserved
The value read from this bit is indeterminate. Do not change this bit.
0DPS
Data Pointer Selection
Cleared to select DPTR0. Set to select DPTR1.
7
6
5
4
3
2
1
0
----
GF3
0
-
DPS
Bit
Number
Bit
Mnemonic
Description
7 - 6
-
Reserved
The value read from this bit is indeterminate. Do not change these bits.
5
Reserved
The value read from this bit is indeterminate. Do not change these bits.
4-
Reserved
The value read from this bit is indeterminate. Do not change this bit.
3
GF3
This bit is a general-purpose user flag.
2
0
Always cleared.
1-
Reserved
The value read from this bit is indeterminate. Do not change this bit.
0DPS
Data Pointer Selection
Cleared to select DPTR0.
Set to select DPTR1.



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com