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參數(shù)資料
| 型號： | FT232HL-REEL |
| 廠商： | FTDI, Future Technology Devices International Ltd |
| 文件頁數(shù)： | 5/65頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC HS USB TO UART/FIFO 48LQFP |
| 應(yīng)用說明： | 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 |
| 帶故障啟動位檢測功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | 768-1101-6 |
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Copyright 2012 Future Technology Devices International Limited
13
Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.8
Clearance No.: FTDI #199
3.4 ACBUS Signal Option
If the external EEPROM is fitted, the following options can be configured on the CBUS I/O pins using the
software utility FT_PROG which can be downloaded from the FTDI utilities page. CBUS signal options are
common to both package versions of the FT232H. The default configuration is described in section 7.
ACBUS Signal
Option
Available On ACBUS Pin
Description
TXDEN
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
TXDEN = (TTL level). Used with RS485 level converters to
enable the line driver during data transmit. TXDEN is
active from one bit time before the start bit is transmitted
on TXD until the end of the stop bit.
*PWREN#
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
Output is low after the device has been configured by
USB, then high during USB suspend mode. This output can
be used to control power to external logic P-Channel logic
level MOSFET switch. Enable the interface pull-down
option when using the PWREN# in this way.*
TXLED#
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
TXLED = Transmit signalling output. Pulses low when
transmitting data (TXD) to the external device. This can
be connected to an LED.
RXLED#
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
RXLED = Receive signalling output. Pulses low when
receiving data (RXD) from the external device. This can be
connected to an LED.
TX&RXLED#
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
LED drive – pulses low when transmitting or receiving data
from or to the external device. See Section 4.11 for more
details.
SLEEP#
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
Goes low during USB suspend mode. Typically used to
power down an external TTL to RS232 level converter IC
in USB to RS232 converter designs.
**CLK30
ACBUS0, ACBUS5, ACBUS6,ACBUS8,
ACBUS9
30MHz Clock output.
**CLK15
ACBUS0, ACBUS5, ACBUS6,ACBUS8,
ACBUS9
15MHz Clock output.
**CLK7.5
ACBUS0, ACBUS5, ACBUS6,ACBUS8,
ACBUS9
7.5MHz Clock output.
TriSt-PU
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
Input Pull Up
DRIVE 1
ACBUS0, ACBUS5, ACBUS6,ACBUS8,
ACBUS9
Output High
DRIVE 0
ACBUS0, ACBUS1, ACBUS2, ACBUS3,
ACBUS4, ACBUS5, ACBUS6, ACBUS8,
ACBUS9
Output Low
I/O mode
ACBUS5, ACBUS6,ACBUS8, ACBUS9
ACBUS BitBang
Table 3.5 ACBUS Configuration Control
* Must be used with a 10kΩ resistor pull up.
**When in USB suspend mode the outputs clocks are also suspended.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FT232HL-TRAY | 功能描述:USB 接口集成電路 USB HS to UART/FIFO SPI/JTAG/I2C LQFP-48 RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| FT232HQ-REEL | 功能描述:USB 接口集成電路 USB HS to UART/FIFO SPI/JTAG/I2C QFN-48 RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| FT232HQ-TRAY | 功能描述:USB 接口集成電路 USB HS to UART/FIFO SPI/JTAG/I2C QFN-48 RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| FT232R | 制造商:FTDI 制造商全稱:FTDI 功能描述:USB UART IC - Single chip USB to asynchronous serial data transfer interface |
| FT232R_10 | 制造商:FTDI 制造商全稱:FTDI 功能描述:USB UART IC - Single chip USB to asynchronous serial data transfer interface |
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