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參數(shù)資料
| 型號： | STLC2500 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | BLUETOOTH⑩ SINGLE CHIP |
| 中文描述： | 單芯片藍牙⑩ |
| 文件頁數(shù)： | 17/23頁 |
| 文件大?。?/td> | 241K |
| 代理商： | STLC2500 |
17/23
STLC2500
8
DIGITAL INTERFACES
8.1
The STLC2500 contains a 4-pin (UART_RXD, UART_TXD, UART_RTS, and UART_CTS) UART com-
patible with 16450, 16550 and 16750 standards. It is running up to 1842 kbps (+1.5%/-1%).
The configuration is 8 data bits, 1 start bit, 1 stop bit, and no parity bit. 128-byte FIFO with configurable
threshold interrupts for low CPU load and high throughput. Auto RTS/CTS is implemented in HW, control-
lable by SW.
The UART accepts all HCI commands as described in the Bluetooth specification, it supports H4 propri-
etary commands and the 4-wire UART sleep mode. The complete list of supported proprietary HCI com-
mands is available in the STLC2500 Software Interface document.
Table 20 contains the list of supported baud rates selectable by HCI commands. The default baud rate is
115200 [bps].
The UART interface
Table 20. List of supported baud rates
8.2
The chip contains a 4-pin (PCM_CLK, PCM_SYNC, PCM_A, and PCM_B) direct voice interface to con-
nect to standard CODEC including internal decimator and interpolator filters. The implementation is com-
pliant with the MP-PCM requirements for voice transfer (8 kHz PCM_SYNC and 8 or 16 bits data).
The four signals of the PCM interface are:
– PCM_CLK:
PCM clock
– PCM_SYNC:
PCM 8KHz sync
– PCM_A:
PCM data
– PCM_B:
PCM data
The data can be linear PCM (13-16 bit),
μ
-Law (8 bit) or A-Law (8bit). The interface can be programmed
as Master or as Slave via specific HCI commands.
Two additional PCM_SYNC signals can be provided via the GPIOs. See section 8.4 for more details.
The PCM interface
Figure 5. PCM (A-law,
μ
-law) standard mode
Baud rate
1842 k
921.6 k
460.8 k
230.4 k
153.6 k
57.6 k
38.4 k
28.8 k
19.2 k
14.4 k
9600
7200
4800
2400
1800
1200
900
600
300
115.2 k (default)
76.8 k
0
1
15
PCM_CLK
125
μ
s
PCM_SYNC
PCM_A
PCM_B
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STLC2500A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Bluetooth Single Chip |
| STLC2500ATR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Bluetooth Single Chip |
| STLC2500C | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BluetoothTM EDR Single Chip |
| STLC2500DB-EDB2G | 制造商:ST Ericsson 功能描述:PCB DAUGHTERBOARD WITH STLC2500DB DEVICE ASSEMBLED?????? - Bulk 制造商:ST-Ericsson 功能描述:PCB DAUGHTERBOARD WITH STLC2500DB DEVICE ASSEMBLED?????? - Bulk 制造商:ST-Ericsson 功能描述:STLC2500DB-EDB2G Full Bluetooth 3.0 + HS Lisbon |
| STLC2541 | 制造商:STMicroelectronics 功能描述:EVALBOARD - Bulk |
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