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| 型号： | FT232RL-REEL |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 3/43页 |
| 文件大小： | 0K |
| 描述： | IC USB FS SERIAL UART 28-SSOP |
| 产品培训模块： | USB Introduction USB-UART Interface Solutions |
| 标准包装： | 1 |
| 系列： | USBmadeEZ-UART |
| 特点： | USB 至 UART |
| 通道数： | 1，UART |
| FIFO's： | 256 字节 |
| 规程： | RS232，RS422，RS485 |
| 电源电压： | 3.3 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： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 634 (CN2011-ZH PDF) |
| 配用： | 768-1023-ND - MOD USB RS232 DEV/EVAL FT232RL 768-1022-ND - MOD USB UART MINI B DEV FT232R 768-1021-ND - MOD USB UART MINI DEV FT232R 768-1019-ND - MOD USB UART DEV FT232R |
| 其它名称： | 768-1007-6 |
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Copyright 2010 Future Technology Devices International Limited
11
Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.10
Clearance No.: FTDI# 38
Pin No.
Name
Type
Description
16
3V3OUT
Output
+3.3V output from integrated LDO regulator. This pin should be decoupled to
ground using a 100nF capacitor. The purpose of this output is to provide the
internal +3.3V supply to the USB transceiver cell and the internal 1.5kΩ pull up
resistor on USBDP. Up to 50mA can be drawn from this pin to power external logic if
required. This pin can also be used to supply the VCCIO pin.
19
VCC
PWR
+3.3V to +5.25V supply to the device core. (See Note 1).
24
AGND
PWR
Device analogue ground supply for internal clock multiplier.
Table 3.6 Power and Ground Group
Pin No.
Name
Type
Description
5, 12,
13, 23,
25, 29
NC
No internal connection. Do not connect.
18
RESET#
Input
Active low reset. Can be used by an external device to reset the FT232R. If not
required can be left unconnected, or pulled up to VCC.
26
TEST
Input
Puts the device into IC test mode. Must be tied to GND for normal operation,
otherwise the device will appear to fail.
27
OSCI
Input
Input 12MHz Oscillator Cell. Optional – Can be left unconnected for normal
operation. (See Note 2).
28
OSCO
Output
Output from 12MHZ Oscillator Cell. Optional – Can be left unconnected for normal
operation if internal Oscillator is used. (See Note 2).
Table 3.7 Miscellaneous Signal Group
Pin
No.
Name
Type
Description
30
TXD
Output
Transmit Asynchronous Data Output.
31
DTR#
Output
Data Terminal Ready Control Output / Handshake Signal.
32
RTS#
Output
Request to Send Control Output / Handshake Signal.
2
RXD
Input
Receiving Asynchronous Data Input.
3
RI#
Input
Ring Indicator Control Input. When remote wake up is enabled in the internal EEPROM
taking RI# low (20ms active low pulse) can be used to resume the PC USB host
controller from suspend.
6
DSR#
Input
Data Set Ready Control Input / Handshake Signal.
7
DCD#
Input
Data Carrier Detect Control Input.
8
CTS#
Input
Clear To Send Control Input / Handshake Signal.
9
CBUS4
I/O
Configurable CBUS output only Pin. Function of this pin is configured in the device
internal EEPROM. Factory default configuration is SLEEP#. See CBUS Signal Options,
10
CBUS2
I/O
Configurable CBUS I/O Pin. Function of this pin is configured in the device internal
EEPROM. Factory default configuration is TXDEN. See CBUS Signal Options, Table 3.9.
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