参数资料
型号: FT232HQ-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 2/65页
文件大小: 0K
描述: IC HS USB TO UART/FIFO 48QFN
应用说明: FT1248 Application Note
标准包装: 1
通道数: 1,UART
FIFO's: 4kb
规程: RS232,RS422,RS485
电源电压: 1.62 V ~ 1.98 V,2.97 V ~ 3.63 V
带并行端口:
带故障启动位检测功能:
带调制解调器控制功能:
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘
供应商设备封装: 48-QFN(8x8)
包装: 标准包装
其它名称: 768-1102-6
Copyright 2012 Future Technology Devices International Limited
10
Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.8
Clearance No.: FTDI #199
Pin No.
Name
Type
Description
1
OSCI
INPUT
Oscillator input.
2
OSCO
OUTPUT
Oscillator output.
5
REF
INPUT
Current reference – connect via a 12K resistor @ 1% to GND.
6
DM
INPUT
USB Data Signal Minus.
7
DP
INPUT
USB Data Signal Plus.
42
TEST
INPUT
IC test pin – for normal operation must be connected to GND.
34
RESET#
INPUT
Reset input (active low).
31
PWRSAV#
INPUT
USB Power Save input. This is an EEPROM configurable option which
is set using a ’Suspend on DBus7 Low’ bit on FT_PROG . This option
is available when the FT232H is on a self powered mode and is used
to prevent forcing current down the USB lines when the host or hub
is powered off.
PWRSAV# = 1 : Normal Operation
PWRSAV# = 0 : FT232H forced into SUSPEND mode.
PWRSAV# can be connected to VBUS of the USB connector (via a
39KΩ resistor). When this input goes high, then it indicates to the
FT232H that it is connected to a host PC. When the host or hub is
powered down then the FT232H is held in SUSPEND mode.
Table 3.2 Common Function pins
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