Data Sheet

Shenzhen Waytronic Electronics Co., Ltd. WT2003S-16S Chip
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1
DACL/P45
AO
Audio DAC left channel output/ P45 common I/O port
2
DACR
AO
Audio DAC right channel output
3
AVSS
AO
Ground
4
VDDIO
IO
3.3V output port
5
VDDLDO
IO
5V main power input port
6
DVSS
I
Ground
7
P10/IR
I
P10 common I/O port/ infrared remote control decoder
8
SDDAT/P15
I/O
DAT interface of SD card/ P15 common I/O port
9
SDCLK/P16
I/O
CLK interface of SD card/ P16 common I/O port
10
SDCMD/P17
I/O
CMD interface of SD card/ P17 common I/O port
11
DM
O
USB data port
12
DP
I
USB data port
13
ADKEY/P03
I
Key extended interface/ P03 common I/O port
14
P27/P31
I
P27 common I/O port/ P31 common I/O port
15
RXD/P34
I
UART serial port RXD receive/ P34 common I/O port
16
TXD/P35
PWP
UART serial port TXD send/ P35 common I/O port
Remark: Chip only has one VDDLDO power input port.
The pin introduction above is just about some hardware interfaces. For the detailed functions, need
software development.
1.3. Specifications
Name
Function
Audio format
Support sampling rate 8~48KHz, bit rate 8~128Kbps MP3 audio file(FLASH
supports)
Support sampling rate 8~48KHz, bit rate 8~320Kbps MP3 audio file(Micro SD
card and U disk support)
Support sample rate 8~44.1KHz WAV audio file
Storage capacity
Support 4Mbit~128Mbit SPI-FLASH
Maximally support 32GB Micro SD card
Maximally support 32GB U disk
Support file system: FAT16, FAT32 (not support NTFS)
USB interface
Full speed 2.0
Supply voltage
DC3.0~5.5V
IO port electric level
3.3V TTL electric level
Working temperature
-40~85 ℃
Humidity
5%~95%