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參數(shù)資料
| 型號： | FT2232C |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | FT2232C Dual USB UART / FIFO I.C. |
| 中文描述： | FT2232C雙USB的UART / FIFO的集成電路 |
| 文件頁數(shù)： | 36/51頁 |
| 文件大?。?/td> | 907K |
| 代理商： | FT2232C |
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DS2232C Version 1.4
Future Technology Devices International Ltd. 2005 Page 36 of 54
FT2232C Dual USB UART / FIFO I.C.
9.5 Enhanced Asynchronous and Synchronous Bit-Bang Modes - Signal Description and
Interface Configuration
Bit-bang mode is a special FT2232C device mode that changes the 8 IO lines on either (or both) channels into an 8
bit bi-directional data bus. The are two types of bit bang mode for the FT2232C - Enhanced Asynchronous Bit-Bang
Mode, which is virtually the same as FTDI BM chip-style Bit-Bang mode, with the addition of Read and Write strobes;
and Synchronous Bit-Bang mode, where data is only read from the device when the device is written to. Bit-Bang
mode is enabled by driver command. When either Channel A or Channel B (or both) have Enhanced Asynchronous
Bit-Bang mode, or Synchronous Bit-Bang mode enabled the IO signal lines are configured as follows :-
BIT-BANG DATA BUS GROUP **Note 24
Pin#
Channel A
Channel B
24
40
23
39
22
38
21
37
20
36
19
35
17
33
Signal
Type
Description
D0
D1
D2
D3
D4
D5
D6
I or O
I or O
I or O
I or O
I or O
I or O
I or O
Bit-Bang Data Bus Bit 0
Bit-Bang Data Bus Bit 1
Bit-Bang Data Bus Bit 2
Bit-Bang Data Bus Bit 3
Bit-Bang Data Bus Bit 4
Bit-Bang Data Bus Bit 5
Bit-Bang Data Bus Bit 6
16
32
D7
I or O
Bit-Bang Data Bus Bit 7
Pin#
Signal
Type
Description
Channel A
15
13
12
11
10
Channel B
30
29
28
27
26
WR#
RD#
WR#
RD#
SI/WU
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
**Note 25
**Note 25
**Note 26
**Note 26
The Send Immediate / WakeUp signal combines two functions
on a single pin. If USB is in suspend mode (PWREN# = 1) and
remote wakeup is enabled in the EEPROM , strobing this pin
low will cause the device to request a resume on the USB Bus.
Normally, this can be used to wake up the Host PC.
During normal operation (PWREN# = 0), if this pin is strobed low
any data in the device TX buffer will be sent out over USB on the
next Bulk-IN request from the drivers regardless of the pending
packet size. This can be used to optimise USB transfer speed for
some applications. Tie this pin to VCCIO if not used.
**Note 24 :
In Input Mode, these pins are pulled to VCCIO via internal 200K resistors. These can be programmed to
gently pull low during USB suspend ( PWREN# = “1” ) by setting this option in the EEPROM.
BIT-BANG CONTROL INTERFACE GROUP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FT245BL | FT245BL USB FIFO ( USB - Parallel ) I.C. |
| FT245BM | FT245BM USB FIFO ( USB - Parallel ) I.C. |
| FT245BQ | FT245BQ USB FIFO ( USB - Parallel ) I.C. |
| FT6116 | 2K X 8 CMOS SRAM |
| FT8U100AX | FT8U100AX USB Compound Hub Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FT2232C_04 | 制造商:FTDI 制造商全稱:FTDI 功能描述:Dual USB UART / FIFO I.C. |
| FT2232D | 制造商:Future Technology Devices International 功能描述:UART 2-CH 3.3V/5V 48-Pin LQFP 制造商:Future Technology Devices International 功能描述:UART 2-CH 3.3V/5V 48-Pin LQFP Bulk 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB Full Speed to Dual Channel Serial UART/FIFO/JTAG/SPI/I2C IC - LQFP-48 |
| FT2232D/TR | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO SMD 2232 LQFP48 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO, SMD, 2232, LQFP48 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO, SMD, 2232, LQFP48; USB Type:FIFO; USB Version:2.0; Supply Voltage Min:3V; Supply Voltage Max:5.25V; Digital IC Case Style:LQFP; No. of Pins:48; Data Rate:12Mbps; No. of Ports:2; Operating Temperature Min:-40C ;RoHS Compliant: Yes |
| FT2232D-REEL | 功能描述:USB 接口集成電路 USB to Dual UART/ FIFO/SPI/JTAG/I2C 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| FT2232D-TRAY | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:DUAL USB TO SERIAL UART/FIFO IC |
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