参数资料
型号: EM260-RTY
厂商: Silicon Laboratories Inc
文件页数: 32/50页
文件大小: 0K
描述: IC ZIGBEE SYSTEM-ON-CHIP 40-QFN
标准包装: 429
频率: 2.4GHz
数据传输率 - 最大: 250kbps
调制或协议: 802.15.4
应用: ZigBee?
功率 - 输出: -32dBm ~ 3dBm
灵敏度: -97dBm
电源电压: 2.1 V ~ 3.6 V
电流 - 接收: 30mA
电流 - 传输: 34mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 40-VFQFN 裸露焊盘
包装: 托盘
其它名称: 636-1003
EM260
5.7.3
EM260 Reset
nWAKE
nRESET
nHOST_INT
nSSEL
MOSI
0xFE
0x03
0x00
0x00
0x06
0xA7
MISO
0x00
0x02
0xA7
SCLK
Command
Figure 11. EM260 Reset Example
Wait
Response
1.
2.
3.
4.
5.
nRESET toggles active low to reset the EM260.
nWAKE stays idle high between nRESET and nHOST_INT indicating the EM260 should continue with normal
booting (do not enter the bootloader).
nHOST_INT asserts.
Activate Slave Select (nSSEL).
Transmit the command:
?
?
?
?
?
?
0xFE : SPI Byte indicating an EZSP Frame
0x03 : Length Byte showing the EZSP Frame is 3 bytes long
0x00 : EZSP Sequence Byte (Note that this value should vary based upon previous sequence bytes)
0x00 : EZSP Frame Control Byte indicating a command with no sleeping
0x06 : EZSP Frame ID Byte indicating the callback command
0xA7 : Frame Terminator
6.
7.
8.
9.
Wait for nHOST_INT to assert.
Transmit and receive 0xFF until a byte other than 0xFF is received.
Receive response 0x00 (a byte other than 0xFF ).
Receive the Error Byte and decode ( 0x02 is enumerated as RESET_POWERON).
10. Receive the Frame Terminator ( 0xA7 ).
11. Response 0x00 indicates the EM260 has reset and the Host should respond appropriately.
12. Deactivate Slave Select.
13. Since nHOST_INT does not assert again, there is no more data for the Host.
120-0260-000M Rev 1.1
Page 32
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