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KX1400DK-EVK PDF预览

KX1400DK-EVK

更新时间: 2024-11-07 01:15:39
品牌 Logo 应用领域
科胜讯 - CONEXANT /
页数 文件大小 规格书
2页 650K
描述
Description KX1400 Audio Playback IC

KX1400DK-EVK 数据手册

 浏览型号KX1400DK-EVK的Datasheet PDF文件第2页 
KX1400 Audio Playback IC  
The KX1400 is an audio playback IC  
designed to play 8 kHz audio data  
directly to an external speaker via an  
on-chip digital audio processor and  
class-D driver. Both 12-bit PCM and  
4-bit IMA ADPCM data formats are  
supported. It also has a built-in tone  
generator capable of generating  
tones at 4096 different frequencies.  
The on-chip audio processor  
eliminates the need for an external  
low-pass filter in most cases. The  
KX1400 utilizes low-power CMOS  
technology and provides a stand-by  
power-savings state, making it well  
suited for battery-powered  
The KX1400 operates in either a  
standalone mode or interfaced to a  
microcontroller (MCU) host. Audio data  
is provided to the KX1400 from either a  
user-programmed external serial  
memory or from the host MCU. Under  
MCU control, the user can select  
phrases or tone sequences to play from  
the external memory, play tone  
sequences via commands, or stream  
audio data directly to the on-chip audio  
processor. In standalone mode, no  
MCU is required; on reset, the KX1400  
plays a single phrase from external  
memory and then returns to a stand-by  
power-saving state.  
Example Application Circuit  
The example circuit shown in the right  
column below shows the KX1400 in  
host-controlled operation with audio  
data stored in external serial memory.  
Commands are sent from the MCU to  
play tones and audio phrases from  
external memory. Audio data and  
commands can also be stored in the  
MCU's data memory and transmitted to  
the KX1400, eliminating the need for  
an external memory IC.  
applications.  
+VDD  
VDD  
SPO -  
SPO+  
VDD2  
MSIZE  
MODE  
RST  
MSSL  
MISO  
MCLK  
MOSI  
CS  
SO  
SCK  
SI  
VCC  
MSSL  
MCLK  
MOSI  
P1.0  
CS  
GND  
SCL  
Serial  
Memory  
SDI  
BUSY  
P1.1  
RDY (Optional)  
XTAL1  
CLKOUT (Optional)  
Optional  
H ost MC U  
GPO1  
GPO 2  
GND  
GND  
Conexant Part  
Ordering Number  
Number  
Description  
Packages  
Part Number KX1400  
KX1400EG-11Z  
KX1400DK-EVK  
KX1400EG-11Z  
KX1400DK-EVK  
KX1400 Audio Playback IC  
KX1400 Evaluation Kit  
24QFN 4x4mm  
Description KX1400 Audio  
Playback IC  
The devices are lead-free (Pb free) and RoHS compliant  

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