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參數(shù)資料
| 型號： | STLC2411 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | BLUETOOTH BASEBAND |
| 中文描述： | 藍牙基帶 |
| 文件頁數(shù)： | 17/25頁 |
| 文件大小： | 216K |
| 代理商： | STLC2411 |
17/25
STLC2411
Table 11. WLAN HW signal assignment
8
INTERFACES
8.1 UART Interface
The chip contains two enhanced (128 byte transmit FIFO and 128 byte receive FIFO, sleep mode, 127 Rx
and 128 Tx interrupt thresholds) UARTs named UART1 and UART2 compatible with the standard M16550
UART.
For UART1, only Rx and Tx signals are available (used for debug purposes).
UART2 features:
– standard HCI UART transport layer:
– all HCI commands as described in the Bluetooth
specification 1.1
– ST specific HCI command (check STLC2411 Software Interface document for more information)
– RXD, TXD, CTS, RTS on permanent external pins
– 128-byte FIFOs, for transmit and for receive
– Default configuration: 57.600 kbps
– Specific HCI command to change to the following baud rates:
Table 12. List of supported baud rates
8.2 Synchronous Serial Interface
The Synchronous Serial Interface (SSI) (or the Synchronous Peripheral Interface (SPI)) is a flexible mod-
ule supporting full-duplex and half-duplex synchronous communications with external devices in Master
and Slave mode. It enables a microcontroller unit to communicate with peripheral devices or allows inter-
processor communications in a multiple-master environment. This Interface is compatible with the Motor-
ola SPI standard, with the Texas Instruments Synchronous Serial frame format and with National Semi-
conductor Microwire standard.
Special extensions are implemented to support the Agilent SPI interface for optical mouse applications
and the 32 bit data SPI for stereo codec applications.
8.2.1 Feature description: Agilent mode
One application is a combination of a Bluetooth device with an AGILENT optical mouse sensor to build a
Bluetooth Mouse. The AGILENT chip has an SPI interface with one bi-directional data port.
When spi_io from ADNS_2030 is driving, spi_rxd should be active, while spi_txd is set as a tri-state high
WLAN
Scenario 1: PTA
Scenario 2:
WLAN master
BT_RF_NOT_
ALLOWED
Not used
Scenario 3: BT
master
Not used
Scenario 4: 2-wire
Scenario 5:
AWMA
MEDIUM_FREE
WLAN 1
TX_ CONFIRM
BT_RF_NOT_
ALLOWED
WLAN_RF_ NOT_
ALLOWED
Not used
Not used
WLAN 2
TX_ REQUEST
WLAN_RF_ NOT_
ALLOWED
Not used
Not used
Not used
WLAN 3
WLAN 4
STATUS
Not used
Not used
Not used
Not used
OPTIONAL_ SIGNAL
Baud rate
–
57.600 kbps (default)
38.4 k
28.8 k
19.2 k
14.4 k
9600
7200
4800
2400
1800
1200
900
600
300
921.6k
460.8 k
230.4 k
153.6 k
115.2 k
76.8 k
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