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PDF ATJ3315 Data sheet ( Hoja de datos )
| Número de pieza | ATJ3315 | |
| Descripción | third generation single-chip highly integrated digital music system solution | |
| Fabricantes | Actions | |
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ATJ331X Datasheet
Latest Version: 1.0
2010-5-31
Free Datasheet http://www.Datasheet-PDF.com/
1 page  
ATJ331X Datasheet
5.3.5
5.3.6
5.3.7
5.3.8
5.3.9
5.3.10
5.3.11
5.3.12
DMA1DADDR0 (DMA1 Destination Address 0 Register, 0Bh) ........................... 28
DMA1DADDR1 (DMA1 Destination Address 1 Register, 0Ch) ........................... 28
DMA1DADDR3 (DMA1 Destination Address 3 Register, 0Eh)............................ 28
DMA1IDA (DMA1 IPM/IDM/ZRAM2 DST Address Register, 0Fh)...................... 29
DMA1BCL (DMA1 Byte Counter Low, 10h) ............................................................29
DMA1BCH (DMA1 Byte Counter High Register, 011h) ........................................ 30
DMA1M (DMA1 Mode Register, 012h)...................................................................30
DMA1COM (DMA1 Command Register, 013h) .....................................................30
5.4 DMA Channel 2 .............................................................................................................. 31
5.4.1 DMA2SA0 (DMA2 Source Address 0 Register, 014h).......................................... 31
5.4.2 DMA2SA1 (DMA2 Source Address 1 Register, 015h).......................................... 32
5.4.3 DMA2SA3 (DMA2 Source Address 3 Register, 017h).......................................... 32
5.4.4 DMA2ISA (DMA2 IPM/IDM/ZRAM2 SRC Address Register, 018h)................... 32
5.4.5 DMA2ISA0 (DMA2 Destination Address 0 Register, 019h) ................................ 33
5.4.6 DMA2ISA1 (DMA2 Destination Address 1 Register, 01Ah) ................................ 33
5.4.7 DMA2ISA3 (DMA2 Destination Address 3 Register, 01Ch) ................................ 33
5.4.8 DMA2IDA (DMA2 IPM/IDM/ZRAM2 DST Address Register, 01Dh)................... 34
5.4.9 DMA2BCL (DMA2 Byte Count low Register, 01Eh)...............................................34
5.4.10 DMA2BCH (DMA2 Byte Count High Register, 01Fh) ............................................35
5.4.11 DMA2M (DMA2 Mode Register, 020h)...................................................................35
5.4.12 DMA2COM (DMA2 Command Register, 021h) .....................................................35
5.5 CTC ................................................................................................................................... 36
5.5.1 CTCPRES (CTC Prescale Register, 022h) ............................................................... 36
5.5.2 CTCTPL (CTC T Period Low Register, 023h) ........................................................... 37
5.5.3 CTCTPH (CTC T Period High Register, 024h).......................................................... 37
5.6 Interrupt Controller ........................................................................................................ 38
5.6.1 DMACISTA (DMA/CTC IRQ Status Register, 025h) ...............................................38
5.6.2 MISTA (Master Interrupt Status Register, 026h)...................................................39
5.6.3 MIEN (Master Interrupt Enable Register, 027h)....................................................40
6 USB2.0 OTG............................................................................................................41
6.1 Description...................................................................................................................... 41
6.2 Feature ............................................................................................................................ 41
7 I2C Interface ......................................................................................................... 42
7.1 Description...................................................................................................................... 42
7.2 Feature ............................................................................................................................ 42
7.3 Register Description ......................................................................................................42
Copyright © Actions Semiconductor Co., Ltd. 2010. All rights reserved.
Version 1.0
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5 Page 
ATJ331X Datasheet
1 Introduction
1.1 Overview
ATJ331X is a third generation single-chip highly integrated digital music system solution
for devices dedicating to audio players etc. It includes an audio decoder with embedded
RAM and ROM, ADPCM record capabilities and USB interface for downloading music and
uploading voice recordings. It also provides an interface to SPDIF, flash memory, LED/LCD,
button and switch inputs, headphones, microphone and FM radio input and control. The chip
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. In addition, its low power
consumption leads to long battery life and an efficient and flexible on-chip DC-DC converter
allowing 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.
1.2 Features
z Support WMA Decoder, bit rate 32-384Kbps, 8-48KHz;
z Digital Voice Recording (ADPCM);
z On-chip Multi-use RAM ((22K+3*256)*8bit) and PCM RAM (8K*8bit) that can be
switched to be MCU memory space or DSP memory;
z Integrated MCU with DSU, the instruction set is compatible with Z80;
z Internal ZRAM1 ((16K-64)*8),ZRAM2((6K+256)*8) ,ZRAM3(14K*8) accessed by MCU;
z Internal 17Kx8 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)
Copyright © Actions Semiconductor Co., Ltd. 2010. All rights reserved.
Version 1.0
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