參數(shù)資料
型號(hào)： FT232BM
廠(chǎng)商： Electronic Theatre Controls, Inc.
英文描述： Generation of FTDI’s Popular USB UART I.C.
中文描述： 在FTDI的流行的USB UART的新一代集成電路
文件頁(yè)數(shù)： 5/24頁(yè)
文件大?。?/td> 812K
代理商： FT232BM
DS232B Version 1.1 Future Technology Devices Intl. Ltd. 2002
Page 5 of 24
FT232BM USB UART ( USB - Serial) I.C.
x8 Clock
Multiplier
UART
FIFO Controller
Serial Interface
Engine
( SIE )
USB
Protocol Engine
Baud Rate
Generator
UART
Dual Port RX
Buffer
384 Bytes
Dual Port TX
Buffer
128 bytes
3.3 Volt
LDO
Regulator
USB
Transceiver
USB DPLL
6MHZ
Oscillator
48MHz
48MHz
12MHz
XTIN
XTOUT
USBDP
USBDM
3V3OUT
VCC
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#
EEPROM
Interface
TXDEN
PWREN#
PWRCTL
TXLED#
RXLED#
EECS
EESK
EEDATA
SLEEP#
RESET#
TEST
GND
RESET
GENERATOR
RSTOUT#
3V3OUT
3.0 Block Diagram ( simplified )
3.1 Functional Block Descriptions
3.3V LDO Regulator
The 3.3V LDO Regulator generates the 3.3 volt reference voltage for driving the USB transceiver cell output
buffers. It requires an external decoupling capacitor to be attached to the 3V3OUT regulator output pin. It also
provides 3.3v power to the RSTOUT# pin. The main function of this block is to power the USB Transceiver and
the Reset Generator Cells rather than to power external logic. However, external circuitry requiring 3.3v nominal
at a current of not greater than 5mA could also draw it’s power from the 3V3OUT pin if required.
USB Transceiver
The USB Transceiver Cell provides the USB 1.1 / USB 2.0 full-speed physical interface to the USB cable. The
output drivers provide 3.3 volt level slew rate control signalling, whilst a differential receiver and two single
ended receivers provide USB data in, SEO and USB Reset condition detection.
USB DPLL
The USB DPLL cell locks on to the incoming NRZI USB data and provides separate recovered clock and data
signals to the SIE block.
6MHz Oscillator
The 6MHz Oscillator cell generates a 6MHz reference clock input to the X8 Clock multiplier from an external
6MHz crystal or ceramic resonator.
相關(guān)PDF資料
PDF描述
FT232R Incorporating Clock Generator Output and FTDIChip-ID Security Dongle
FT232RL Incorporating Clock Generator Output and FTDIChip-ID Security Dongle
FT232RQ Incorporating Clock Generator Output and FTDIChip-ID Security Dongle
FT500AH-80 Phase Control SCR 320 Amperes Avg 3000-4000 Volts
FT500AN-60 PHASE CONTROL SCR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FT232BQ 制造商:FTDI 制造商全稱(chēng):FTDI 功能描述:USB UART ( USB - Serial) I.C.
FT232BQ-REEL 功能描述:USB 接口集成電路 USB to Serial UART IC QFN-32 RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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
FT232HL 制造商:FTDI 制造商全稱(chēng):FTDI 功能描述:FT232H Single Channel Hi-Speed USB to Multipurpose UART/FIFO IC
FT232HL-REEL 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(lèi)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
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(lèi)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
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