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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(lán)牙基帶 |
| 文件頁數(shù)： | 21/25頁 |
| 文件大?。?/td> | 216K |
| 代理商： | STLC2411 |
21/25
STLC2411
Figure 11. PCM interface timing
9
The UART Transport Layer is specified by the Bluetooth
SIG, and allows HCI level communication be-
tween a host controller (STLC2411) and a host (e.g. PC), via a serial line.
The objective of this HCI UART Transport Layer is to make it possible to use the Bluetooth
HCI over a
serial interface between two UARTs on the same PCB. The HCI UART Transport Layer assumes that the
UART communication is free from line errors.
HCI UART TRANSPORT LAYER
9.1 UART Settings
The HCI UART Transport Layer uses the following settings for RS232:
– Baud rate:
Configurable (Default baud rate: 57.600 kbps)
– Number of data bits:
8
– Parity bit:
no parity
– Stop bit:
1 stop bit
– Flow control:
RTS/CTS
– Flow-off response time:
3 ms
Flow control with RTS/CTS is used to prevent temporary UART buffer overrun. It should not be used for
flow control of HCI, since HCI has its own flow control mechanisms for HCI commands, HCI events and
HCI data.
If CTS is 1, then the Host/Host Controller is allowed to send.
If CTS is 0, then the Host/Host Controller is not allowed to send.
The flow-off response time defines the maximum time from setting RTS low until the byte flow actually
stops. The signals should be connected in a null-modem fashion; i.e. the local TXD should be connected
to the remote RXD and the local RTS should be connected to the remote CTS and vice versa.
Figure 12. UART Transport Layer
D02TL557
PCM_CLK
t
WCL
PCM_SYNC
PCM_A/B in
PCM_B/A out
MSB
MSB-1
MSB-2
MSB-3
MSB-4
MSB
MSB-1
MSB-2
MSB-3
MSB-4
t
SSC
t
WCH
t
WSH
t
HCD
t
SDC
t
DCD
BLUETHOOTH
HOST
BLUETHOOTH
HOST
CONTROLLER
HCI UART TRANSPORT LAYER
BLUETHOOTH HCI
D02TL556
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STLC2415 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BLUETOOTH BASEBAND WITH INTEGRATED FLASH |
| STLC2416 | 制造商:STMicroelectronics 功能描述: |
| STLC2450 | 功能描述:射頻無線雜項 Eval Board STLC2450 RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| STLC2500 | 制造商:STMicroelectronics 功能描述:BLUETOOTH CLS II 2.65V TO 2.85V 0.721MBPS 84TFBGA - Trays |
| STLC2500A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Bluetooth Single Chip |
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