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| 型號： | FT232RL-REEL |
| 廠商： | FTDI, Future Technology Devices International Ltd |
| 文件頁數(shù)： | 42/43頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB FS SERIAL UART 28-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | USB Introduction USB-UART Interface Solutions |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | USBmadeEZ-UART |
| 特點(diǎn)： | USB 至 UART |
| 通道數(shù)： | 1，UART |
| FIFO's： | 256 字節(jié) |
| 規(guī)程： | RS232，RS422，RS485 |
| 電源電壓： | 3.3 V ~ 5.25 V |
| 帶自動流量控制功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SSOP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 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 |
| 其它名稱： | 768-1007-6 |
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Copyright 2010 Future Technology Devices International Limited
8
Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.10
Clearance No.: FTDI# 38
Pin No.
Name
Type
Description
17
3V3OUT
Output
+3.3V output from integrated LDO regulator. This pin should be decoupled to
ground using a 100nF capacitor. The main use of this pin 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.
20
VCC
PWR
+3.3V to +5.25V supply to the device core. (see Note 1)
25
AGND
PWR
Device analogue ground supply for internal clock multiplier
Table 3.2 Power and Ground Group
Pin No.
Name
Type
Description
8, 24
NC
No internal connection
19
RESET#
Input
Active low reset pin. This 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 3.3 Miscellaneous Signal Group
Pin No.
Name
Type
Description
1
TXD
Output
Transmit Asynchronous Data Output.
2
DTR#
Output
Data Terminal Ready Control Output / Handshake Signal.
3
RTS#
Output
Request to Send Control Output / Handshake Signal.
5
RXD
Input
Receiving Asynchronous Data Input.
6
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.
9
DSR#
Input
Data Set Ready Control Input / Handshake Signal.
10
DCD#
Input
Data Carrier Detect Control Input.
11
CTS#
Input
Clear To Send Control Input / Handshake Signal.
12
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, Table 3.9.
13
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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