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参数资料
| 型号： | SIW3500GIG3SR |
| 厂商： | RF MICRO DEVICES INC |
| 元件分类： | 通信及网络 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PBGA96 |
| 封装： | 6 X 6 MM, GREEN, VFBGA-96 |
| 文件页数： | 25/28页 |
| 文件大小： | 795K |
| 代理商： | SIW3500GIG3SR |
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Preliminary
6 of 28
SiW3500
60 0066 R00JIrf SiW3500 UltimateBlue SoC DS
Configuration Selection
Reference Frequency Selection
The SiW3500 is designed to operate with multiple reference frequencies. During boot, specific frequency select I/O pins
are sampled to determine the default reference frequency. The reference frequency setting will be set according to the
following table:
Application Software Memory Selection
The SiW3500 can support application (protocol stack) software execution from internal ROM or external FLASH
memory. To run from internal ROM, pins D[9] and D[10] must be connected together as shown in the application circuit
section of this document (Application Circuit). To run from external flash memory, the flash must be connected as shown
in the application circuit diagram and contain valid application code. If the external memory does not have valid program
data, the device enters a download mode in which a valid program may be loaded into the external memory through a
sequence of commands over the HCI transport layer.
FREQ_SEL3
(MFP[3])
FREQ_SEL2
(MFP[5])
FREQ_SEL1
(MFP[4])
FREQ_SEL0
(ADC_IN)
Frequency
0000
15.36 MHz
0001
19.2 MHz
0010
19.44 MHz
0011
19.68 MHz
0100
19.8 MHz
0101
26 MHz
0110
38.4 MHz
0111
Do not program frequency (leave as ref/2 and set
according to system parameters).
1
0
X
32 MHz
1100
32 MHz
1101
12 MHz
1110
13 MHz
1111
14.4 MHz
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