参数资料
型号: VNC2-64L1B-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 48/88页
文件大小: 0K
描述: IC USB HOST/DEVICE CTRL 64-LQFP
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
特色产品: Vinculum VNC2
标准包装: 1
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-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
其它名称: 768-1047-6
52
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
Figure 6.18 SPI Slave Mode Data Write
6.3.6.4 SPI Master Status Read Transaction in VNC1L legacy mode
The VNC2 has a status byte which determines the state of the Receive and Transmit Buffers. The SPI
master must poll VNC2 and read the status byte.
The Start and Setup sequence is sent to VNC2 by the SPI master, see Figure 6.19. The VNC2 clocks out
its status byte on subsequent rising edge clock cycles from the SPI master. This is followed by a status
bit generated by VNC2 (also on the MISO) which will always be zero (indicating new data).
The meaning of the bits within the status byte sent by VNC2 during a Status Read operation is described
in Table 6.12. The result of the Status Read transaction is only valid during the transaction itself. Data
read and data write transactions must still check the status bit during a Data Read or Data Write cycle
regardless of the result of a Status Read operation.
Bit
Description
0
RXF#
Receive Buffer Full
1
TXE#
Transmit Buffer Empty
2
-
Not used
3
-
Not used
4
RXF IRQEn
Receive Buffer Full Interrupt Enable
5
TXE IRQEn
Transmit Buffer Empty Interrupt Enable
6
-
Not used
7
-
Not used
Table 6.12 SPI Status Read Byte – bit descriptions
Figure 6.19 SPI Slave Mode Status Read
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VNC2-64L1B-TRAY 功能描述:USB 接口集成电路 Vinculum-II Dual Host/Dev IC LQFP-64 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20
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