参数资料
型号: STLR4200
厂商: Electronic Theatre Controls, Inc.
英文描述: USB/lrDA Bridge Controller
中文描述: 的USB / lrDA桥控制器
文件页数: 11/21页
文件大小: 308K
代理商: STLR4200
3-4200-D1-2.0-0403
11
STIr4200
USB/IrDA Bridge Controller
O F F I C I A L P R O D U C T D O C U M E N T A T I O N
5.1.2.
FIR Transmit Frame
The FIR rate is 4 Mbps The frame organization is detailed in Figure 5.
0x55
0xAA
LSB size
MSB size
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7F
0x7E
0x7E
Data
Data
Data
Data
Data
Data
Data
BOF = Beginning of frame
Header ID
A
C
I
Address/Control/Information Fields
Special characters must be escaped
Original Data
0x7D
0x7E
0x7F
Escaped Data
0x7D 0x5D
0x7D 0x5E
0x7D 0x5F
LSB CRC
MSB CRC
0x7E
0x7E
FCS : 32 bit CRC-IEEE802
EOF - End of frame
Number of following bytes
PREAMBLE : These characters
cause the STIr4200S to generate the
preamble sequence used by the
receiving device for synchronization.
There must be exactly 16 characters.
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