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CYW89820 参数 Datasheet PDF下载

CYW89820图片预览
型号: CYW89820
PDF下载: 下载PDF文件 查看货源
内容描述: [The AIROC™ CYW89820 Automotive Bluetooth® & Bluetooth® LE SoC is a Bluetooth® 5.2 core spec compliant device for automotive and industrial applications. Manufactured using the industry's advanced 40 nm CMOS low-power process, the CYW89820 is a highly integrated device which delivers up to 11.5 dBm transmit output power in LE and BR modes and up to 2.5 dBm in EDR mode, reducing the device footprint and the costs associated with implementing Bluetooth® solutions.]
分类和应用:
文件页数/大小: 53 页 / 735 K
品牌: INFINEON [ Infineon ]
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AIROC™ Bluetooth® system on chip for automotive applications  
Microprocessor unit  
2.3  
Low-frequency clock sources  
The 32-kHz low-frequency clock (LPO_32K on the following figure) can be obtained from multiple sources. There  
are two internal low-power oscillators (LPOs), called the LP-LPO and HP-LPO, as well as external crystal connec-  
tions (OSC32K). The firmware determines the clock source to use among the available LPOs depending on the  
accuracy and power requirements. The preferred source is the external LPO (OSC32K) because it has good  
accuracy with the lowest current consumption. Internal LP-LPO has low current consumption and low accuracy  
whereas HP-LPO has higher accuracy and higher current consumption. The firmware assumes the external LPO  
has less than 250 PPM error with little or no jitter.  
Variable  
Frequency  
HCLK  
CPU  
48/96M  
Fixed  
Frequency  
DIV N  
Block  
Timers  
DIV N  
1M  
XTAL 24M  
96M  
ADPLL  
SPI2  
SPI1  
PUART  
HCI UART  
I2C  
48M  
DIV N  
PTU  
24M  
ADC  
(12M)  
24M  
DIV N  
1M  
24M  
ACLK0  
24M  
ACLK1  
PWM(0-5)  
OSC32K  
LPO  
LPO  
LPO  
LPO_32K  
HP- LPO  
LP-LPO  
LHL  
RTC  
Figure 3  
Simplified clock source  
Datasheet  
10  
002-25826 Rev. *G  
2022-09-24  
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