參數(shù)資料
型號(hào): VNC2-32Q1B-TRAY
廠商: FTDI, Future Technology Devices International Ltd
文件頁數(shù): 39/88頁
文件大小: 0K
描述: IC USB HOST/DEVICE CTRL 32-QFN
應(yīng)用說明: 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
標(biāo)準(zhǔn)包裝: 260
系列: Vinculum-II
控制器類型: USB 2.0 控制器
接口: USB,主機(jī)/設(shè)備配置,UART,SPI,PWM,閃存 256K,DMA 4CH
電源電壓: 1.62 V ~ 1.98 V
電流 - 電源: 25mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(7x7)
包裝: 托盤
其它名稱: VNC2-32Q1A-TRAY
VNC2-32Q1A-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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