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SI4020 参数 Datasheet PDF下载

SI4020图片预览
型号: SI4020
PDF下载: 下载PDF文件 查看货源
内容描述: 完全集成( IOW BOM ,易于设计的)无生产快速稳定所需的对齐方式,可编程,高清晰度PLL [Fully integrated (Iow BOM, easy design-in) No alignment required in production Fast settling, programmable, high-resolution PLL]
分类和应用:
文件页数/大小: 32 页 / 1064 K
品牌: SILICON [ SILICON ]
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Si4020  
PACKAGE PIN DEFINITIONS, EEPROM MODE  
Pin type key: D=digital, A=analog, S=supply, I=input, O=output, IO=input/output  
EEPROM Mode Pin Assignment  
Pin  
1
Name  
SDI  
Type  
DI  
Function  
Data input of serial control interface  
2
SCK  
nSEL  
PB1  
DO  
DO  
DI  
Clock output of serial control interface  
3
Chip select output of serial control interface (active low)  
Push-button input #1 (active low with internal pull-up resistor)  
Push-button input #2 (active low with internal pull-up resistor)  
Push-button input #3 (active low with internal pull-up resistor)  
Push-button input #4 (active low with internal pull-up resistor)  
Data output of serial control interface  
4
5
PB2  
DI  
6
PB3  
DI  
7
PB4  
DI  
8
SDO  
XTL  
DO  
AIO  
S
9
Crystal connection (other terminal of crystal to VSS)  
Ground reference  
10  
11  
12  
13  
14  
15  
16  
VSS  
MOD  
RFN  
RFP  
nLBD  
VDD  
FSK  
DI  
Connect to logic low (EEPROM mode)  
Power amplifier output (open collector)  
Power amplifier output (open collector)  
Low battery voltage detector output (active low)  
Positive supply voltage  
AO  
AO  
DO  
S
DI  
Not used, connect to VDD or VSS  
5
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