参数资料
型号: VNC1L-1A
厂商: Future Technology Devices International Ltd
元件分类: 总线控制器
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, GREEN, LQFP-48
文件页数: 3/32页
文件大小: 672K
代理商: VNC1L-1A
Copyright 2009 Future Technology Devices International Limited
11
Document Reference No.: FT_000030
Vinculum VNC1L Embedded USB Host Controller IC Datasheet Version 2.02
Clearance No.: FTDI# 50
Pin No.
Name
Type
Description
Combined Interface Mode
UART
Interface
Parallel FIFO
Interface
SPI Slave
Interface
I/O Port
43
ACBUS2
I/O
5V safe bidirectional
data/control bus, AC bit 2
RD#
PortAC2
44
ACBUS3
I/O
5V safe bidirectional
data/control bus, AC bit 3
WR
PortAC3
45
ACBUS4
I/O
5V safe bidirectional
data/control bus, AC bit 4
DATAREQ#
PortAC4
46
ACBUS5
I/O
5V safe bidirectional
data/control bus, AC bit 5,
Interface mode selection
pin
DATAACK#
PortAC5
47
ACBUS6
I/O
5V safe bidirectional
data/control bus, AC bit 6,
Interface mode selection
pin
PortAC6
48
ACBUS7
I/O
5V safe bidirectional
data/control bus, AC bit 7.
To use a 12MHz crystal
with VNC1L fit a 47k
pull-down resistor.
Alternatively, fitting a
47k pull-up resistor on
this pin will switch off the
internal clock multiplier,
allowing the device to be
fed with an external
48MHz clock signal into
XTIN
PortAC7
Table 3.4 Data and Control Signals
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