參數(shù)資料
型號(hào)： FT232HQ-REEL
廠(chǎng)商： FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù)： 6/65頁(yè)
文件大?。?/td> 0K
描述： IC HS USB TO UART/FIFO 48QFN
應(yīng)用說(shuō)明： FT1248 Application Note
標(biāo)準(zhǔn)包裝： 1
通道數(shù)： 1，UART
FIFO's： 4kb
規(guī)程： RS232，RS422，RS485
電源電壓： 1.62 V ~ 1.98 V，2.97 V ~ 3.63 V
帶并行端口： 是
帶故障啟動(dòng)位檢測(cè)功能： 是
帶調(diào)制解調(diào)器控制功能： 是
安裝類(lèi)型： 表面貼裝
封裝/外殼： 48-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 48-QFN（8x8）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱(chēng)： 768-1102-6
Copyright 2012 Future Technology Devices International Limited
14
Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.8
Clearance No.: FTDI #199
3.5 Pin Configurations
The following section describes the function of the pins when the device is configured in different modes
of operation.
3.5.1 FT232H pins used in an UART interface
The FT232H can be configured as a UART interface. When configured in this mode, the pins used and the
descriptions of the signals are shown in Table 3.6
Pin No.
Name
Type
UART Configuration Description
13
TXD
OUTPUT
TXD = transmitter output
14
RXD
INPUT
RXD = receiver input
15
RTS#
OUTPUT
RTS# = Ready To send handshake output
16
CTS#
INPUT
CTS# = Clear To Send handshake input
17
DTR#
OUTPUT
DTR# = Data Transmit Ready modem signalling line
18
DSR#
INPUT
DSR# = Data Set Ready modem signalling line
19
DCD#
INPUT
DCD# = Data Carrier Detect modem signalling line
20
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.
21
**
TXDEN
OUTPUT
TXDEN = (TTL level). Use to enable RS485 level converter
27
**
RXLED
OUTPUT
RXLED = Receive signalling output. Pulses low when receiving data
(RXD) from the external device (UART Interface). This should be
connected to an LED.
28
**
TXLED
OUTPUT
TXLED = Transmit signalling output. Pulses low when transmitting
data (TXD) to the external device (UART Interface). This should be
connected to an LED.
Table 3.6 UART Configured Pin Descriptions
** ACBUS I/O pins
For a functional description of this mode, please refer to section 4.3
NOTE: UART is the device default mode.
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