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| 型号： | FT232BQ-REEL |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 33/34页 |
| 文件大小： | 0K |
| 描述： | IC NEW DESIGNS REFER TO FT232RQ |
| 标准包装： | 1 |
| 系列： | USBmadeEZ-UART |
| 通道数： | 1，UART |
| FIFO's： | 256 字节 |
| 规程： | RS232，RS422，RS485 |
| 电源电压： | 4.35 V ~ 5.25 V |
| 带自动流量控制功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 标准包装 |
| 其它名称： | 768-1067-6 |
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Copyright 2011 Future Technology Devices International Limited
8
Document No.: FT_000329
FT232BL
/BQ USB UART IC Datasheet Version 2.2
Clearance No.: FTDI#
171
3.3 LQFP and QFN Package Pin Out Description
Pin No.
Name
Type
Description
7
USBDP
I/O
USB Data Signal Plus ( Requires 1.5k pull-up to 3V3OUT or RSTOUT# )
8
USBDM
I/O
USB Data Signal Minus
Table 3.1 USB Interface Group
Pin No.
Name
Type
Description
13
VCCIO
PWR
+3.0 volt to +5.25 volt VCC to the UART interface pins 10...12, 14...16 and
18...25. When interfacing with 3.3V external logic in a bus powered design connect
VCCIO to a 3.3V supply generated from the USB bus. When interfacing with 3.3V
external logic in a self powered design connect VCCIO to the 3.3V supply of the
external logic. Otherwise connect to VCC to drive out at 5V CMOS level.
9,17
GND
PWR
Device ground supply pins
6
3V3OUT
Output
3.3 volt Output from the integrated LDO regulator This pin should be decoupled to
GND using a 33nF ceramic capacitor in close proximity to the device pin. Its prime
purpose is to provide the internal 3.3V supply to the USB transceiver cell and the
RSTOUT# pin. A small amount of current (<= 5mA) can be drawn from this pin to
power external 3.3v logic if required.
3,26
VCC
PWR
+4.35 volt to +5.25 volt VCC to the device core, LDO and non-UART interface pins
30
AVCC
PWR
Device analogue power supply for internal x8 clock multiplier
29
AGND
PWR
Device analogue ground supply for internal x8 clock multiplier
Table 3.2 Power and Ground Group
Pin No.
Name
Type
Description
4
RESET#
Input
Active low reset pin. This can be used by an external device to reset the FT232B.
If not required can be left unconnected, or pulled up to VCC.
5
RSTOUT#
Output
Output of the internal Reset Generator. Stays high impedance for ~ 5ms after
VCC > 3.5V and the internal clock starts up, and then clamps its output to the
3.3v output of the internal regulator. Taking RESET# low will also force RSTOUT#
to drive low. RSTOUT# is NOT affected by a USB Bus Reset
12
TXLED#
O.C
LED Drive – Pulses Low when Transmitting Data via USB
11
RXLED#
O.C
LED Drive – Pulses Low when Receiving Data via USB
27
XTIN
Input
Input to 6MHz Crystal Oscillator Cell. This pin can also be driven by an external
6MHz clock if required. Note: Switching threshold of this pin is VCC/2, so if driving
from an external source, the source must be driving at 5V CMOS level or AC-
coupled to centre around VCC/2.
28
XTOUT
Output
Output from 6MHz Crystal Oscillator Cell. XTOUT stops oscillating during USB
suspend, so take care if using this signal to clock external logic.
31
TEST
Input
Puts the device into IC test mode. Must be tied to GND for normal operation,
otherwise the device will appear to fail.
Table 3.3 Miscellaneous Signal Group
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FT232HL | 制造商:FTDI 制造商全称: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 |
| 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 |
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