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參數(shù)資料
| 型號： | MC72000 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | Integrated Bluetooth Radio |
| 中文描述： | 集成藍牙無線 |
| 文件頁數(shù)： | 143/156頁 |
| 文件大小： | 1782K |
| 代理商： | MC72000 |
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Applications Information
MOTOROLA
MC72000
Advance Information Data Sheet
Go to: www.freescale.com
143
10.8.2 UART Interface Hardware
The UART driver uses the following signals:
GND for common ground reference point.
TxD/RxD for serial data.
RTS/CTS lines as normal HW-handshake (Optional).
DTR/DSR lines as Sleep mode request / grand (Optional).
However, the interface can be configured to be a 2, 4 or 6 wire interface. For more details, see document
MC71000/MC72000 Wake-Up, Reset, and Host Clock Request Sequences Application Note
(document
number AN2340/D).
10.8.3 UART Driver
The UART driver is highly dependent on the HW and the operating system of the host system. However, it
must conform to the following rules:
1. Transmit and receive at 9600Baud, 8Bit, 1 StopBit, NoParity.
2. Ability to change Baudrate, if needed, in this application.
3. Support handshake on RTS/CTS lines, if needed, in this application. Refer to
MC71000/
MC72000 Wake-Up, Reset, and Host Clock Request Sequences Application Note
(document number AN2340/D) for more details.
4. Support sleepmode, if needed, in this application. Refer to
MC71000/MC72000 Wake-Up,
Reset, and Host Clock Request Sequences Application Note
(document number AN2340/
D) for more details.
5. A delay of more than 300 mS between characters in a command results in a “Hardware
Error” event returned, telling to retransmit the last telegram. This will impact general speed
and should be avoided.
10.8.4 Parser/Router
There are three possible ways to implement the file system. Each has great impact on the way the Parser /
Router part has to be implemented, as well as cost and hardware. For details, see the following subsections.
10.8.4.1 General File System on Host
This saves the EEPROM and can use an existing file system on the host.
The router must do the following things:
1. Sort all commands/events/ACL/SCO and send it to correct receiver.
2. Send host connect after reset.
3. Change baud rate after host connect, if needed.
4. Resend telegrams on “Hardware error” event received, if needed.
5. Keep track of number of pending commands.
The parser has to do the following things:
1. Translate received file system events into local file system calls.
2. Send correct command, with data, on received file system events.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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| MC7220C-100M RI-BLK | 制造商:Farnell / Pro-Power 功能描述:CABLE DEF 7-2-20C 20CORE 100M 制造商:pro-power 功能描述:CABLE, DEF 7-2-20C, 20CORE, 100M 制造商:pro-power 功能描述:CABLE, DEF 7-2-20C, 20CORE, 100M; Reel Length (Imperial):328ft; Reel Length (Metric):100m; No. of Conductors:20; Voltage Rating:440V; No. of Strands x Strand Size:7 x 0.2mm; Conductor Area CSA:0.22mm2; Jacket Colour:Black; Jacket ;RoHS Compliant: Yes |
| MC7220C-100M RI-BLK | 制造商:Farnell / Pro-Power 功能描述:CABLE DEF 7-2-20C 20 CORE 100M |
| MC7220C-25M RI-BLK | 制造商:Farnell / Pro-Power 功能描述:CABLE DEF 7-2-20C 20CORE 25M 制造商:pro-power 功能描述:CABLE, DEF 7-2-20C, 20CORE, 25M |
| MC7220C-25M RI-BLK | 制造商:Farnell / Pro-Power 功能描述:CABLE DEF 7-2-20C 20 CORE 25M |
| MC7225C-25M RI-BLK | 制造商:Farnell / Pro-Power 功能描述:CABLE DEF 7-2-25C 25CORE 25M 制造商:pro-power 功能描述:MULTICORE, 25, 7/0.2MM, 25M, BLACK 制造商:pro-power 功能描述:CABLE, DEF 7-2-25C, 25CORE, 25M 制造商:PRIVATE LABEL 功能描述:CABLE, DEF 7-2-25C, 25CORE, 25M, Reel Length (Imperial):82ft, Reel Length (Metri |
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