参数资料
型号: EM260-BBRD-128K-USART-R
厂商: Silicon Laboratories Inc
文件页数: 27/50页
文件大小: 0K
描述: EM260 BREAKOUT BOARD
标准包装: 12
类型: 收发器,802.15.4/Zigbee
频率: 2.4GHz
适用于相关产品: EM260
其它名称: 636-1026
EM260
corrupt command. For example, if the EM260 resets during the Response Section, the Host will still clock out
the correct number of bytes. But when the host attempts to verify the value 0xA7 at the end of the Response,
it will see either the value 0x00 or 0xFF and know that the EM260 just reset and the corrupt Response should
be discarded.
Note: The Length Byte only specifies the length of the Payload Frame. It does not include the Frame
Terminator.
5.5
SPI Byte
Table 15 lists the possible commands and their responses in the SPI Byte.
Table 15. SPI Commands & Reponses
Command
Value
Any
Command
Any
Response
Value
0x00
Response
EM260 reset occurred—This is never used in
another Response; it always indicates an EM260
Reset.
Any
Any
0x01
Oversized Payload Frame received—This is never
used in another Response; it always indicates an
overflow occurred.
Any
Any
0x02
Aborted Transaction occurred—This is never
used in another Response; it always indicates an
aborted transaction occurred.
Any
Any
0x03
Missing Frame Terminator—This is never used in
another Response; it always indicates a Missing
Frame Terminator in the Command.
Any
Any
0x04
Unsupported SPI Command—This is never used in
another Response; it always indicates an
unsupported SPI Byte in the Command.
0x00 – 0x09
0x0A
0x0B
Reserved
SPI Protocol
Version
SPI Status
[none]
0x81 – 0xBF
0xC0 – 0xC1
[none]
bit[7] is always set. bit[6] is always cleared.
bit[5:0] is a number from 1–63.
bit[7] is always set. bit[6] is always set. bit[0]—
Set if Alive.
0x0C – 0xFC
0xFD
Reserved
Bootloader
[none]
0xFD
[none]
Bootloader Frame
Frame
0xFE
0xFF
EZSP Frame
Invalid
0xFE
0xFF
EZSP Frame
Invalid
5.5.1
Primary SPI Bytes
There are four primary SPI Bytes: SPI Protocol Version, SPI Status, Bootloader Frame, and EZSP Frame.
SPI Protocol Version [0x0A]: Sending this command requests the SPI Protocol Version number from the SPI
Interface. The response will always have bit 7 set and bit 6 cleared. In this current version, the response
Page 27
120-0260-000M Rev 1.1
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