参数资料
型号: LM4921ITLX/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA20
封装: MICRO, SMD-20
文件页数: 15/20页
文件大小: 457K
代理商: LM4921ITLX/NOPB
LM4921 I/O Pin Descriptions
PIN # (ITL)
PIN NAME
PIN TYPE
Input-I, Output-O,
Power-P, No Connect-NC
PIN DESCRIPTION
B1
I2S_CLK
I/O
I2S Clock
C2
I2S_DATA
I
I2S data
B2
I2S_WS
I/O
I2S L/R word select
E3
SPI_CLK
I
SPI clcock
E4
SPI_DATA
I
SPI data
D3
SPI_ENABLE
I
SPI Enable
E2
MCLK/XTAL_IN
I
Master Clock / Xtal input
D2
XTAL_OUT
O
Xtal output
C4
BYPASS
I/O
Analog VDD/2 bypass capacitor connection
point
B4
AV
DD
P
Analog supply
A3
AGND
P
Analog Ground
C1
DV
DD
P
Digital Supply
A1
GNDD
P
Digital ground
D1
VDDX
P
XTAL Oscillator circuit supply
E1
GNDX
P
XTAL Oscillator circuit ground
B3
HP_L
O
HP left output
A4
HP_R
O
HP right output
A2
No Connect
O
Must let float
C3
No Connect
NC
D4
No Connect
NC
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LM4921
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