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SN8F2288 参数 Datasheet PDF下载

SN8F2288图片预览
型号: SN8F2288
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器 [8-Bit Micro-Controller]
分类和应用: 微控制器
文件页数/大小: 163 页 / 3660 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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SN8F2280 Series  
USB 2.0 Full-Speed 8-Bit Micro-Controller  
11 SERIAL INPUT/OUTPUT TRANSCEIVER  
11.1 OVERVIEW  
The SIO (serial input/output) transceiver allows high-speed synchronous data transfer between the SN8F2280 series  
MCU and peripheral devices or between several SN8F2280 devices. These peripheral devices may be Serial  
EEPROMs, shift registers, display drivers, etc. The SN8F2280 SIO features include the following:  
z
z
z
z
z
z
z
Full-duplex, 3-wire synchronous data transfer  
TX/RX or TX Only mode  
Master (SCK is clock output) or Slave (SCK is clock input) operation  
MSB/LSB first data transfer  
SDO (P2.1) is programmable open-drain output pin for multiple salve devices application  
Two programmable bit rates (Only in master mode)  
End-of-Transfer interrupt  
The SIOM register can control SIO operating function, such as: transmit/receive, clock rate, transfer edge and starting  
this circuit. This SIO circuit will transmit or receive 8-bit data automatically by setting SENB and START bits in SIOM  
register. The SIOB is an 8-bit buffer, which is designed to store transfer data. SIOC and SIOR are designed to  
generate SIO’s clock source with auto-reload function. The 3-bit I/O counter can monitor the operation of SIO and  
announce an interrupt request after transmitting/receiving 8-bit data. After transferring 8-bit data, this circuit will be  
disabled automatically and re-transfer data by programming SIOM register.  
SIO Interface Circuit Diagram  
SONiX TECHNOLOGY CO., LTD  
Page 122  
Version 1.1