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| 型号： | FT232HL-REEL |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 15/65页 |
| 文件大小： | 0K |
| 描述： | IC HS USB TO UART/FIFO 48LQFP |
| 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： | 是 |
| 带故障启动位检测功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 标准包装 |
| 其它名称： | 768-1101-6 |
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Copyright 2012 Future Technology Devices International Limited
22
Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.8
Clearance No.: FTDI #199
4
Function Description
The FT232H USB 2.0 Hi-Speed (480Mb/s) to UART/FIFO is an FTDI’s 6th generation of ICs. It can be
configured in a variety of industry standard serial or parallel interfaces, such as UART, FIFO, JTAG, SPI
(MASTER) or I2C modes. In addition to these, the FT232H introduces the FT1248 interface and supports a
CPU-Style FIFO mode, bit-bang and a fast serial interface mode.
4.1 Key Features
USB Hi-Speed to UART/FIFO Interface. The FT232H provides USB 2.0 Hi-Speed (480Mbits/s) to
flexible and configurable UART/FIFO Interfaces.
Functional Integration. The FT232H integrates a USB protocol engine which controls the physical
Universal Transceiver Macrocell Interface (UTMI) and handles all aspects of the USB 2.0 Hi-Speed
interface. The FT232H includes an integrated +1.8V/3.3V Low Drop-Out (LDO) regulator. It also includes
1Kbytes Tx and Rx data buffers. The FT232H integrates the entire USB protocol on a chip with no
firmware required.
MPSSE. Multi- Protocol Synchronous Serial Engines (MPSSE), capable of speeds up to 30 Mbits/s,
provides flexible synchronous interface configurations.
FT1248 interface. The FT232H supports a new proprietary half-duplex FT1248 interface with a variable
bi-directional data bus interface that can be configured as 1, 2, 4, or 8-bits wide and this enables the
flexibility to expand the size of the data bus to 8 pins. For details regarding 2-bit, 4-bit and 8-bit modes,
please refer to application note AN_167_FT1248_Serial_Parallel Interface Basics available from the FTDI
website.
Data Transfer rate. The FT232H supports a data transfer rate up to 12 Mbaud when configured as an
RS232/RS422/RS485 UART interface upto 40 Mbytes/second over a synchronous 245 parallel FIFO
interface or up to 8 Mbyte/Sec over a asynchronous 245 FIFO interface. Please note the FT232H does not
support the baud rates of 7 Mbaud 9 Mbaud, 10 Mbaud and 11 Mbaud.
Latency Timer. A feature of the driver used as a timeout to transmit short packets of data back to the
PC. The default is 16ms, but it can be altered between 0ms and 255ms.
Bus (ACBUS) functionality, signal inversion and drive strength selection. There are 11
configurable ACBUS I/O pins. These configurable options are:
1. TXDEN – transmit enable for RS485 designs.
2. PWREN# - Power control for high power, bus powered designs.
3. TXLED# - for pulsing an LED upon transmission of data.
4. RXLED# - for pulsing an LED upon receiving data.
5. TX&RXLED# - which will pulse an LED upon transmission OR reception of data.
6. SLEEP# - indicates that the device going into USB suspend mode.
7. CLK30 / CLK15 / CLK7.5 – 30MHz, 15MHz and 7.5MHz clock output signal options.
8. TriSt-PU – Input pulled up, not used
9. DRIVE 1 – Output driving high
10. DRIVE 0 – Output driving low
11. I/O mode – ACBUS BitBang
The ACBUS pins can also be individually configured as GPIO pins, similar to asynchronous bit bang mode.
It is possible to use this mode while the UART interface is being used, thus providing up to 4 general
purpose I/O pins which are available during normal operation.
The ACBUS lines can be configured with any one of these input/output options by setting bits in the
external EEPROM see section 3.4.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FT232HL-TRAY | 功能描述:USB 接口集成电路 USB HS to UART/FIFO SPI/JTAG/I2C LQFP-48 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| FT232HQ-REEL | 功能描述:USB 接口集成电路 USB HS to UART/FIFO SPI/JTAG/I2C QFN-48 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| FT232HQ-TRAY | 功能描述:USB 接口集成电路 USB HS to UART/FIFO SPI/JTAG/I2C QFN-48 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| FT232R | 制造商:FTDI 制造商全称:FTDI 功能描述:USB UART IC - Single chip USB to asynchronous serial data transfer interface |
| FT232R_10 | 制造商:FTDI 制造商全称:FTDI 功能描述:USB UART IC - Single chip USB to asynchronous serial data transfer interface |
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