参数资料
型号: FT2232HQ-TRAY
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 4/67页
文件大小: 0K
描述: IC USB HS DUAL UART/FIFO 64-QFN
标准包装: 260
系列: USBmadeEZ-FIFO,FT-X,X-Chip
特点: USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道数: 2,DUART
FIFO's: 4096 字节
规程: RS232,RS422,RS485
电源电压: 3 V ~ 3.6 V
带并行端口:
带自动流量控制功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN
包装: 托盘
其它名称: FT2232HQ - TRAY
Copyright 2012 Future Technology Devices International Limited
12
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
3.4 Configured Pins
The following sections describe the function of the configurable pins referred to in the table given in
Section 3.2 which is determined by how the FT2232H is configured.
3.4.1 FT2232H pins used in an RS232 interface
The FT2232H channel A or channel B can be configured as an RS232 interface. When configured in this
mode, the pins used and the descriptions of the signals are shown in Table 3.4.
Channel A
Pin No.
Channel B
Pin No.
Name
Type
RS232 Configuration Description
16
38
TXD
OUTPUT
TXD = transmitter output
17
39
RXD
INPUT
RXD = receiver input
18
40
RTS#
OUTPUT
RTS# = Ready To send handshake output
19
41
CTS#
INPUT
CTS# = Clear To Send handshake input
21
43
DTR#
OUTPUT
DTR# = Data Transmit Ready modem signaling line
22
44
DSR#
INPUT
DSR# = Data Set Ready modem signaling line
23
45
DCD#
INPUT
DCD# = Data Carrier Detect modem signaling line
24
46
RI#
INPUT
RI# = Ring Indicator Control Input. When the Remote Wake
up option is enabled in the EEPROM, taking RI# low can be
used to resume the PC USB Host controller from suspend.
(Also see note 1, 2, 3 in section 4.12)
26
48
TXDEN
OUTPUT
TXDEN = (TTL level). For use with RS485 level converters.
29
54
RXLED#
OUTPUT
RXLED = Receive signaling output when data is transferred
from
FT2232H to USB Host. Pulses low when receiving data
(RXD) via USB. This should be connected to an LED.
30
55
TXLED#
OUTPUT
TXLED = Transmit signaling output when data is transferred
from
USB Host to FT2232H. Pulses low when transmitting
data (TXD) via USB. This should be connected to an LED.
Table 3.4 Channel A and Channel B RS232 Configured Pin Descriptions
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