参数资料
型号: L64222
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封装: PLASTIC, QFP-208
文件页数: 14/32页
文件大小: 248K
代理商: L64222
L64222 DVD Audio/Video Decoder
21
ADAC1/ADAC1n
Audio DAC Channel 1
Output
Analog audio from channel 1 of the optional, internal
audio DAC.
Power and Grounds
VDD2
Digital Power Supply
Input
+ 2.5 V to internal logic.
VDD4
Digital Power Supply
Input
+ 3.3 V to I/O buffers.
VSS
Digital Ground
Input
Digital ground for + 2.5 V and + 3.3 V inputs.
AVDD1_4
Power Supply for Video DAC
Input
+ 3.3 V input for the Video DAC. This input pin and the
AVDD1_5 input pin must be connected to the same
analog 3.3 V source.
AVSS1_4
Power Supply Ground for Video DAC
Input
+ 3.3 V Video DAC supply ground.
AVDD1_5
Power Supply for Video DAC
Input
+ 3.3 V input for the Video DAC. This input pin and the
AVDD1_4 input pin must be connected to the same
analog 3.3 V source.
AVDD2_4
Power Supply for Video DAC
Input
+ 2.5 V input to the Video DAC.
AVSS2_4
Power Supply Ground for Video DAC
Input
+ 2.5 V Video DAC supply ground.
AVDD3
Mic A/D Converter Power Supply
Input
+ 3.3 V input to the microphone A/D converter.
AVSS3
Mic A/D Converter Ground
Input
+ 3.3 V microphone A/D converter return.
PLLVDD
Main PLL Power Supply
Input
+ 2.5 V input to the on-chip PLL for deriving the 81 MHz
SDRAM clock. This input must be isolated from the digital
power plane with the lter shown in Figure 4 and only
connected at the voltage regulator.
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