参数资料
型号: VNC2-32Q1B-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 22/88页
文件大小: 0K
描述: IC USB HOST/DEVICE CTRL 32-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
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: 32-VQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(7x7)
包装: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
其它名称: 768-1050-6
29
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
5.1 I/O Peripherals Signal Names
Peripheral
Signal Name
Outputs
Inputs
Description
Debugger
debug_if
1
debugger interface
UART
uart_txd
1
0
Transmit asynchronous data output
uart_rts#
1
0
Request to send control output
uart_dtr#
1
0
Data acknowledge (data terminal ready control) output
uart_tx_active
1
0
Enable transmit data for RS485 designs
uart_rxd
0
1
Receive asynchronous data input
uart_cts#
0
1
Clear to send control input
uart_dsr#
0
1
Data request (data set ready control) input
uart_ri#
0
1
Ring indicator control input
uart_dcd#
0
1
Data carrier detect control input
FIFO
fifo_data
8
FIFO data bus
fifo_txe#
1
0
When high, do not write data into the FIFO. When low,
data can be written into the FIFO by strobing WR high,
then low.
fifo_rxf#
1
0
When high, do not read data from the FIFO. When low,
there is data available in the FIFO which can be read by
strobing RD# low, then high.
fifo_wr#
0
1
Writes the data byte on the D0...D7 pins into the
transmit FIFO buffer when WR goes from high to low.
fifo_rd#
0
1
Enables the current FIFO data byte on D0...D7 when low.
Fetches the next FIFO data byte (if available) from the
receive FIFO buffer when RD# goes from high to low
fifo_oe#
0
1
FIFO output enable – synchronous FIFO only
fifo_clkout
0
1
FIFO clock out – synchronous FIFO only
GPIO
gpio
40
General purpose I/O
SPI Slave 0
spi_s0_clk
0
1
SPI clock input – slave 0
spi_s0_ss#
0
1
SPI chip select input – slave 0
spi_s0_mosi
1
SPI master out serial in – slave 0
spi_s0_miso
1
0
SPI master in slave out – slave 0
SPI Slave 1
spi_s1_clk
0
1
SPI clock input – slave 1
spi_s1_ss#
0
1
SPI chip select input – slave 1
spi_s1_mosi
1
Master out slave in – slave 1
spi_s1_miso
1
0
Master in slave out – slave 1
SPI Master
spi_m_clk
1
0
SPI clock input – master
spi_m_mosi
1
Master out slave in - master
spi_m_miso
0
1
Master in slave out - master
spi_m_ss_0#
1
0
Active low slave select 0 from master to slave 0
spi_m_ss_1#
1
0
Active low slave select 1 from master to slave 1
PWM
pwm
8
0
Pulse width modulation
Table 5.1 I/O Peripherals Signal Names
Note: # is used to indicate an active low signal.
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