参数资料
型号: VNC2-64Q1B-TRAY
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 39/88页
文件大小: 0K
描述: IC USB HOST/DEVICE CTRL 64-QFN
应用说明: Vinculum-II IO Cell Description AppNote
Vinculum-II Debug Interface Description AppNote
Vinculum-II IO Mux Explained AppNote
Vinculum-II PWM Example AppNote
Migrating Vinculum Designs AppNote
标准包装: 260
系列: Vinculum-II
控制器类型: USB 2.0 控制器
接口: USB,主机/设备配置,UART,SPI,PWM,闪存 256K,DMA 4CH
电源电压: 1.62 V ~ 1.98 V
电流 - 电源: 25mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN(8x8)
包装: 托盘
其它名称: VNC2-64Q1A-TRAY
VNC2-64Q1A-TRAY-ND
44
Copyright 2009-2011 Future Technology Devices International Limited
Datasheet
Vinculum-II Embedded Dual USB Host Controller IC
Version 1.5
Document No.: FT_000138 Clearance No.: FTDI# 143
The command and status formats for this mode can be seen in Figure 6.7 below with a description of
each field in Table 6.6:
Command:
Status:
Figure 6.7 SPI Command and Status Structure
Field
Description
A2:A0
Address of slave being used in a multi-slave environment. This would typically be used in the
scenario where a shared data bus is used.
R/W#
Set to 1 for a read and 0 for a write.
Z
Tri-stated.
TXE
Transmit Empty.
When 1 the Slave transmit buffer has no new data to transmit.
When 0 the Slave transmit buffer does have new data.
RXF
Receive Full.
When 1 the Slave receive buffer has new data which has not been read yet.
When 0 the Slave receive buffer is empty and can be safely written to.
ACK
Set to 1 when a Slave has correctly decoded its address.
Table 6.6 SPI Command and Status Fields
A2
A1
A0
R/W#
Z
TXE
RXF
ACK
Z
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