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ATJ2257B PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 ATJ2257B
기능 32-bit RISC-based SOC
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ATJ2257B 데이터시트, 핀배열, 회로
ATJ2256/ATJ2257/
ATJ2257B Datasheet
Latest Version: 1.0
2009-12-10




ATJ2257B pdf, 반도체, 판매, 대치품
ATJ2256/ATJ2257/ATJ2257B DATASHEET
Contents
Declaration ...................................................................................................................... 1
Contents ..........................................................................................................................3
Revision History ........................................................................................................... 10
1 Introduction........................................................................................................... 11
1.1 Overview.......................................................................................................................... 11
1.2 Features .......................................................................................................................... 11
2 Functional Block and Memory Map ................................................................... 13
2.1 Functional Block Diagram ............................................................................................13
2.2 Memory Map ..................................................................................................................13
3 Clock Management Unit (CMU) ...........................................................................16
3.1 CMU/HOSC Register List ..............................................................................................16
3.1.1 CMU_COREPLL........................................................................................................... 17
3.1.2 CMU_DSPPLL ............................................................................................................. 17
3.1.3 CMU_AUDIOPLL .........................................................................................................18
3.1.4 CMU_BUSCLK .............................................................................................................19
3.1.5 CMU_SDRCLK.............................................................................................................20
3.1.6 CMU_NANDCLK.......................................................................................................... 21
3.1.7 CMU_SDCLK ............................................................................................................... 21
3.1.8 CMU_MHACLK ............................................................................................................22
3.1.9 CMU_BTCLK ................................................................................................................22
3.1.10 CMU_UARTxCLK .........................................................................................................23
3.1.11 CMU_DMACLK ............................................................................................................23
3.1.12 CMU_FMCLK ............................................................................................................... 24
3.1.13 CMU_DEVCLKEN ........................................................................................................ 24
3.1.14 CMU_DEVRST .............................................................................................................26
3.2 RTC/LOSC/Watch Dog/Timers Block Description.................................................... 27
3.3 RTC/LOSC/Watch Dog Register List........................................................................... 27
3.3.1 RTC_CTL ......................................................................................................................28
3.3.2 RTC_DHMS..................................................................................................................29
3.3.3 RTC_YMD ....................................................................................................................29
Copyright © Actions Semiconductor Co., Ltd. 2009. All rights reserved.
Ver 1.0
Page 3

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ATJ2257B 전자부품, 판매, 대치품
ATJ2256/ATJ2257/ATJ2257B DATASHEET
14.1 Description...................................................................................................................... 90
14.2 Register List.................................................................................................................... 90
14.2.1 I2Cx_CTL ..................................................................................................................... 91
14.2.2 I2Cx_CLKDIV...............................................................................................................92
14.2.3 I2Cx_STAT ...................................................................................................................92
14.2.4 I2Cx_ADDR .................................................................................................................94
14.2.5 I2Cx_DAT .....................................................................................................................94
15 SPI Interface...................................................................................................... 95
15.1 Description...................................................................................................................... 95
15.2 Register List.................................................................................................................... 95
15.2.1 SPI_CTL .......................................................................................................................95
15.2.2 SPI_CLKDIV.................................................................................................................98
15.2.3 SPI_STAT .....................................................................................................................98
15.2.4 SPI_RXDAT................................................................................................................100
15.2.5 SPI_TXDAT ................................................................................................................100
16 UART (2) Interface .......................................................................................... 101
16.1 Description....................................................................................................................101
16.2 Register List..................................................................................................................101
16.2.1 UART1_CTL ...............................................................................................................102
16.2.2 UART1_RXDAT..........................................................................................................104
16.2.3 UART1_TXDAT ..........................................................................................................104
16.2.4 UART1_STAT .............................................................................................................104
16.2.5 UART2_CTL ...............................................................................................................106
16.2.6 UART2_RXDAT..........................................................................................................108
16.2.7 UART2_TXDAT ..........................................................................................................108
16.2.8 UART2_STAT .............................................................................................................109
17 IR Interface...................................................................................................... 111
17.1 Description................................................................................................................... 111
17.2 Register List................................................................................................................. 111
17.2.1 IR_PL ........................................................................................................................ 112
17.2.2 IR_RBC ..................................................................................................................... 112
18 SPDIF Interface...............................................................................................112
18.1 Register List................................................................................................................. 112
18.1.1 SPDIF_CTL ................................................................................................................113
18.1.2 SPDIF_STAT ..............................................................................................................114
Copyright © Actions Semiconductor Co., Ltd. 2009. All rights reserved.
Ver 1.0
Page 6

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부품번호상세설명 및 기능제조사
ATJ2257

32-bit RISC-based SOC

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Actions Semiconductor
ATJ2257B

32-bit RISC-based SOC

Actions Semiconductor
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