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PDF ATS2501 Data sheet ( Hoja de datos )
| Número de pieza | ATS2501 | |
| Descripción | Third generation single-chip highly-integrated digital music system solution | |
| Fabricantes | Actions | |
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ATS250X Datasheet
Latest Version: 1.0
Aug 03, 2009
1 page  
ATS250X Datasheet
8.3.10
8.3.11
8.3.12
DMA1 Byte Counter High Register ..........................................................................28
DMA1 Mode Register ................................................................................................28
DMA1 Command Register .......................................................................................29
8.4 DMA Channel 2 ..............................................................................................................30
8.4.1 DMA2 Source Address 0 Register...........................................................................30
8.4.2 DMA2 Source Address 1 Register...........................................................................30
8.4.3 DMA2 Source Address 3 Register...........................................................................30
8.4.4 DMA2 SRC Address Register ...................................................................................30
8.4.5 DMA2 Destination Address 0 Register................................................................... 31
8.4.6 DMA2 Destination Address 1 Register................................................................... 31
8.4.7 DMA2 Destination Address 3 Register................................................................... 31
8.4.8 DMA2 DST Address Register ...................................................................................32
8.4.9 DMA2 Byte Counter Low Register...........................................................................32
8.4.10 DMA2 Byte Counter High Register ..........................................................................32
8.4.11 DMA2 Mode Register ................................................................................................33
8.4.12 DMA2 Command Register .......................................................................................33
8.5 CTC ................................................................................................................................... 34
8.5.1 CTC Prescale Register...............................................................................................34
8.5.2 CTC Period Low Register...........................................................................................35
8.5.3 CTC Period High Register..........................................................................................35
8.6 Interrupt Controller ........................................................................................................35
8.6.1 DMA/CTC IRQ Status Register.................................................................................35
8.6.2 Master Interrupt Status Register.............................................................................36
8.6.3 Master Interrupt Enable Register ............................................................................ 37
9 DSP ........................................................................................................................ 38
9.1 Description...................................................................................................................... 38
10 USB2.0 OTG........................................................................................................... 39
11 I2C Interface ......................................................................................................... 40
11.1 Description...................................................................................................................... 40
11.2 Register Description ......................................................................................................40
11.2.1 I2CADDR (I2C Address Register, 084h) .................................................................40
11.2.2 I2CCTL (I2C Control Register, 085h)....................................................................... 41
11.2.3 I2CSTA (I2C Status Register, 086h) ........................................................................42
11.2.4 I2CDAT (I2C Data Register, 087h)...........................................................................43
12 SPI Interface ......................................................................................................... 44
12.1 Description...................................................................................................................... 44
Copyright © Actions Semiconductor Co., Ltd. 2009. All rights reserved.
Version 1.0
Page 5
5 Page 
ATS250X Datasheet
4 Introduction
ATS250X is a third generation single-chip highly-integrated digital music system solution
for devices such as dedicated audio players. It includes a high performance dsp with
embedded RAM and ROM, ADPCM record capabilities and USB interface for downloading
music and uploading voice recordings. ATS250X also provides an interface to SPDIF, flash
memory, LED/LCD, button and switch inputs, headphones, and microphone, and FM radio
input and control. It supports WMA and other digital audio standards. For devices like
USB-Disk, it can act as a USB mass storage slave device to personal computer system. The
Chip has low power consumption to allow long battery life and an efficient flexible on-chip
DC-DC converter that allows many different battery configurations, including 1xAA, 1xAAA
and Li-on. The built-in Sigma-Delta D/A includes a headphone driver to directly drive low
impedance headphones. The A/D includes inputs for both Microphone and Analog Audio in
to support voice recording and FM radio integration features. Thus, it provides a
true ’ALL-IN-ONE’ solution that is ideally suited for highly optimized digital audio players.
Features
z Support WMA Decoder and Other Digital Audio Standards
z Digital Voice Recording (ADPCM）
z On-chip DSP data RAM1 6.25k*24bit, DSP data RAM2 4k*8bit and PCM RAM (8K*8bit)
that can be switched to be MCU memory space.
z Integrated MCU with DSU, the instruction set is compatible with Z80
z Internal ZRAM1 ((16K-64)*8bits), ZRAM2(1k*8bit), ZRAM3 ((8k+2k+192)*8bits)
accessed by MCU
z Internal BROM build in Boot up and USB Upgrade firmware
z Internal SRAM access time<7ns, MROM access time<16ns
z External up to 4(pcs)x 32M~4G bytes Nand type Flash accessed by MCU or DMA
z External Smart Media Card
z Support following memory card interface
.Multi Media Card Specification Version 4.2 (1/4/8 bit mode)
.Secure Digital Card Specification Version 2.0(1/4-bit mode)
.Memory Stick Version 1.43(1/4-bit mode)
.Memory Stick Pro Version 1.02(1/4-bit mode)
.Memory Stick Pro-HG Version 1.01(1/4/8-bit mode)
Copyright © Actions Semiconductor Co., Ltd. 2009. All rights reserved.
Version 1.0
Page 11
11 Page | ||
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