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PDF ATJ2257 Data sheet ( Hoja de datos )
| Número de pieza | ATJ2257 | |
| Descripción | 32-bit RISC-based SOC | |
| Fabricantes | Actions Semiconductor | |
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ATJ2256/ATJ2257/
ATJ2257B Datasheet
Latest Version: 1.0
2009-12-10
1 page  
ATJ2256/ATJ2257/ATJ2257B DATASHEET
3.3.4
3.3.5
3.3.6
3.3.7
3.3.8
3.3.9
3.3.10
RTC_DHMSALM.......................................................................................................... 30
RTC_YMDALM............................................................................................................. 30
RTC_WDCTL................................................................................................................ 31
RTC_T0CTL.................................................................................................................. 31
RTC_T0 ........................................................................................................................32
RTC_T1CTL .................................................................................................................. 32
RTC_T1 ........................................................................................................................33
4 Interrupt Controller............................................................................................... 34
4.1 Interrupt Controller Description...................................................................................34
4.2 Interrupt Controller Register List .................................................................................35
4.2.1 INTC_PD ......................................................................................................................35
4.2.2 INTC_MSK ...................................................................................................................36
4.2.3 INTC_CFGx................................................................................................................... 37
4.2.4 INTC_EXTCTL ..............................................................................................................38
5 PMU/DC-DC Converter......................................................................................... 40
5.1 Description...................................................................................................................... 40
5.2 Register List.................................................................................................................... 41
5.3 Register Description ...................................................................................................... 41
5.3.1 PMU_CTL ..................................................................................................................... 41
5.3.2 PMU_LRADC ...............................................................................................................44
5.3.3 PMU_CHG....................................................................................................................44
5.3.4 PMU_USBPDR ............................................................................................................46
6 32-BIT RISC Core .................................................................................................. 48
6.1 Coprocessor 0 Description ...........................................................................................48
7 SDRAM Interface.................................................................................................. 49
7.1 SDRAM Interface Description ......................................................................................49
7.2 SDRAM Interface Register List ....................................................................................49
7.2.1 SDR_CTL .....................................................................................................................50
7.2.2 SDR_EN .......................................................................................................................51
7.2.3 SDR_CMD ................................................................................................................... 51
7.2.4 SDR_STAT ...................................................................................................................52
7.2.5 SDR_AUTORFC ...........................................................................................................52
7.2.6 SDR_MODE .................................................................................................................52
7.2.7 SDR_MOBILE ..............................................................................................................53
8 DMA/Bus Arbiter .................................................................................................. 55
Copyright © Actions Semiconductor Co., Ltd. 2009. All rights reserved.
Ver 1.0
Page 4
5 Page 
ATJ2256/ATJ2257/ATJ2257B DATASHEET
Revision History
Date
2009-12-10
Revision
Description
1.0 Initial version released;
Copyright © Actions Semiconductor Co., Ltd. 2009. All rights reserved.
Ver 1.0
Page 10
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ATJ2257.PDF ] | |
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