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): 142/156頁
文件大?。?/td> 1782K
代理商: MC72000
142
MC72000 Advance Information Data Sheet
Go to: www.freescale.com
MOTOROLA
Applications Information
10.8 File System
Three different approaches are possible with the Motorola Bluetooth file system. The first two approaches
enable a solution without external EEPROM. All approaches are described in detail in the application
notes:
Motorola Bluetooth File System, Host-based General Application Note
(document number
94001481003),
Motorola Bluetooth File System, Host Based One File Application Note
(document number
94001481004) and
Motorola Bluetooth File System, Embedded File System Application Note
(document
number 94001481002).
The host interface is the normal serial UART interface, where all communication from application, upper
stack, and filesystem passes through (see Figure 90).
Refer to
MC71000/MC72000 Wake-Up, Reset, and Host Clock Request Sequences Application Note
(document number AN2340/D) for a thorough explanation.
Figure 90. File System Overview
10.8.1 UART Interface Telegrams
The serial UART interface is transporting all types of HCI telegrams. This, in short, is the following:
HCI ACL: Data transport — typically a file from another unit.
HCI SCO: Audio transport — typically sound from another unit.
HCI Commands: Sent to the MC72000, ordering it to do something. Will always result in one or
more HCI Events returned.
HCI Events: Are sent from MC72000 to the host and are a direct response to an HCI command or
a spontaneous reaction to something happening in the MC72000.
MC72000
Upper stack
Application
UART
Driver
Parser /
Router
HCI commands/
Events
Data access
HOST
OS
Filesystem
UART Interface
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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