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参数资料
| 型号： | SIW3500GIG3 |
| 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： | 23/28页 |
| 文件大小： | 795K |
| 代理商： | SIW3500GIG3 |
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Preliminary
4 of 28
SiW3500
60 0066 R00JIrf SiW3500 UltimateBlue SoC DS
External Memory Interface
The SiW3500 does not require additional memory for standard below HCI protocol functions. An external memory
interface is available for execution of protocol stack software from FLASH memory if desired. If external FLASH memory
will be used, the read access time of the device must be 100 ns or less.
Auxiliary UART
The SiW3500 can be configured and enabled with an auxiliary UART port. This UART port can be used for debug
depending on the application software.
External Power Amplifier Interface
The SiW3500 supports the use of an external power amplifier for +20 dBm designs. When enabled, these signals
provide an integrated interface for the control of an external PA.
Power Management
The HOST_WAKEUP and EXT_WAKE signals are used for power management control of the SiW3500.
HOST_WAKEUP is an output signal used to wake up the host. EXT_WAKE is an input signal used by the host to wake
up the SiW3500 from sleep mode.
For control of the reference clock source, CLOCK_REQ_IN and CLOCK_REQ_OUT can be made available to turn on/off
an external reference clock source.
General-Purpose Analog to Digital Converter (ADC)
The SiW3500 incorporates a general-purpose ADC that can be enabled to sample external analog voltage. The ADC
has an 8-bit resolution.
External EEPROM Controller and Interface
This interface is intended for communication to an optional EEPROM when using the SiW3500 in ROM mode. The
EEPROM is not required for configurations with external flash. The EEPROM is the non-volatile memory (NVM) in the
system and contains the system configuration parameters such as the Bluetooth device address, the CODEC type, as
well as other parameters. These default parameters are set at the factory, and some parameters will change depending
on the system configuration. Optionally, the memory parameters can be downloaded from the host processor at boot up
eliminating the need for EEPROM. Please consult the Application Support team for details. The EEPROM should have a
serial I2C interface with a minimum size of 2 Kbits and 16-byte page write buffer capabilities.
General System Requirements
System Reference Clock
The SiW3500 chip can use either an external crystal or a reference clock as the system clock input. A partial list of
supported frequencies (in MHz) includes: 9.6, 12, 12.8, 13, 14.4, 15.36, 16, 16.8, 19.2, 19.68, 19.8, 26, 32, 38.4, and 48.
For other frequencies, please contact Applications Support. The system reference crystal/clock must have an accuracy
of ±20 PPM or better to meet the Bluetooth specification.
Signal
Description
AUX_TXD
TX Data
AUX_RXD
RX Data
AUX_CTS
Clear To Send
AUX_RTS
Request To Send
Signal
Description
IDAC
Power control to external PA. This output provides a variable current source that
can be used to control the external PA. Leave unconnected if not used
TX_RX_SWITCH
Output signal used to indicate the state of the radio. This could be used as a
direction control for the PA. The polarity is programmable with the default set as:
Low = Transmit; High = Receive.
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