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参数资料
| 型号： | 73M1916-IVTR/F |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 27/88页 |
| 文件大小： | 0K |
| 描述： | MICRODAA SET FXO OF VOIP 20TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | MicroDAA™ |
| 功能： | 数据存取装置（DAA） |
| 接口： | PCM，SPI |
| 电路数： | 1 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 标准包装 |
| 包括： | * |
| 其它名称： | 73M1916-IVTR/FDKR |
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DS_1x66B_001
73M1866B/73M1966B Data Sheet
Rev. 1.6
33
5
SPI Interface
The host accesses the 73M1x66B using an SPI interface to write to control registers and read status
registers. The host is the master of the transaction. Four pins orchestrate the communication between
the host and the SPI, and a fifth pin is dedicated to support the daisy-chain mode. The signals are as
follows:
SDI
Serial data input driven by the host.
SDO
Serial data output driven by the 73M1x66B.
SCLK
Clock input driven by the host.
CS
Chip select input driven by the host.
SDIT
Serial data output for daisy-chain mode.
The SPI implemented by the 73M1x66B has the following key features:
Support for 8-bit and 16-bit mode operations.
Support for daisy-chain operations.
Support for both continuously active SCLK or SCLK active during transfers only.
Support for broadcast mode.
Transactions between the host and the 73M1x66B require three bytes. All bytes are transmitted most
significant byte first. The first is the control byte, the second the address byte and the third is the data
byte. The control byte is structured as follows:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
BRCT
R/W
X
CID[0]
CID[1]
CID[2]
CID[3]
The value of CID[0:3] determines which 73M1x66B in the daisy chain should execute the read or write
operation requested by the host. Up to 16 devices in the daisy chain can be supported. The daisy chain
organization is shown in Figure 15. The control byte is submitted to the first 73M1x66B in the daisy
chain. If the value of CID[0:3] is different from zero, the SPI of that device decreases the value of
CID[0:3] by one and passes the new value through SDIT to the next 73M1x66B in the chain. This
process continues until CID[0:3] is zero, thus stopping at the device designated to execute the operation.
The value of CID will be the position in the daisy chain for the device being addressed minus one.
If the host is controlling only one 73M1x66B, CID[0:3] must be set to 0.
The BRCT bit overrides the chip addressing driven by CID[0:3]. The host asserts BRCT for all write
operations that must be executed by all 73M1x66B devices in the chain. At that time, whatever comes in
SDI comes out through SDIT. BRCT does not affect read operations.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 73M1922-DB | 功能描述:网络开发工具 73M1922 Demo Brd RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 73M1966B-DB | 功能描述:网络开发工具 73M1966B Demo Brd RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 73M1966B-DB-C | 功能描述:网络开发工具 73M1966B Demo Brd w/GUI Cable RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 73M1966B-EVM | 功能描述:网络开发工具 73M1966 Demo Brd & MotherBrd RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 73M1966B-IM/F | 制造商:Maxim Integrated Products 功能描述: |
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