| MMusb245RL |
Communication Minimodule with
FT245R USB controller |
Terminal layout | Software | Data Sheet | Buy MMusb245RL
Mmusb245RL is a low-cost integrated module designed for data transmission with a peripheral device or a PC computer via USB interface. It is based on FTDI`s FT245R chip. MMusb245RL allows data transfer 1MB/s fast. It's a simple FIFO device and represents an interface between USB and microcontroller's parallel interface. There is a USB cable attached to the module. Windows drivers allow to emulate a serial port on the PC and that provides for upgrading applications in which transmission over a RS232 serial link was used.
Choosing our Minimodule is the first step for projects, which should be done in a short time. MMusb245 could be used as a part of a prototype eliminating the necessity of designing a circuit board and in the final circuit in which the module is fitted 'sandwichlike' on top.
Use the new solution!!!
It's easy MMusb245RL!
Terminal layout
Standard 24-pin, 0.6 in wide footprint
Pin Definitions
|
Pin |
Pin's name |
mode |
Description |
|
1 |
RXF |
output |
When low, there is data available in the Rx FIFO . High state indicates that the receive buffer is empty. |
|
2 |
TXE |
output |
Low state indicates that the FIFO is ready to be written to. High state indicates the transmit buffer being filled or busy writing the last byte. |
|
3 |
WR |
output |
Writes a data byte from D0..D7 into the transmit FIFO Buffer when WR changes from high to low. |
|
4 |
RD |
input |
Enables current FIFO data byte on D0..D7 when low. Fetches the next FIFO data byte (if available) from the Receive FIFO Buffer when RD changes from low to high. In high state D0..D7 are in high impedance state. |
|
5 |
D7 |
I/O |
Data bus line (bit 7) |
|
6 |
D6 |
I/O |
Data bus line (bit 6) |
|
7 |
D5 |
I/O |
Data bus line (bit 5) |
|
8 |
D4 |
I/O |
Data bus line (bit 4) |
|
9 |
D3 |
I/O |
Data bus line (bit 3) |
|
10 |
D2 |
I/O |
Data bus line (bit 2) |
|
11 |
D1 |
I/O |
Data bus line (bit 1) |
|
12 |
D0 |
I/O |
Data bus line (bit 0) |
|
15 |
RST |
input |
Can be used by an external device to reset the MMusb245RL. If not required, tie to VCC |
|
16 |
RSO |
output |
Output of the internal Reset Generator. Stays in high impedance state for ~5ms after VCC exceeds 3.5V and the internal clock start up, then clamps its output to the 3.3V output of the internal regulator. |
|
18 |
3V3 |
output |
Output of the internal LDO regulator. |
|
20 |
PWRN |
output |
Goes low when configuration of the device through USB is done. Goes high when USB is on hold. |
|
22 |
VIO |
input |
Sets voltages on communication pins |
|
23 |
VEX |
input |
Use for applying main power (4.4 to 5.25 Volts) to the module. Connect to VPO if module is to be powered by the USB port (typical configuration) |
|
24 |
VPO |
output |
Power from USB port. |
Software
 and direct drivers for COM port [html]
For programming the FT232R's EEPROM we suggest to use a free Mprog utility , whitch offers also many other functions.
More info: www.ftdichip.com
Technical data
MMusb245RL
-
Data transmission over USB with speeds up to 1MB/s
-
256B of FIFO transmit buffer, 128B FIFO receive buffer
-
integrated 1024bit internal EEPROM
-
Simple interface to MCU / PLD/ FPGA logic with a 4 wire handshake
-
FTDI's drivers provided
-
Integrated Power-On-Reset circuit with optional in and out reset pins
-
Integrated AVCC filter
-
Interface and USB mode configurable in EEPROM memory
-
Bit-Bang Mode feature (advanced synchronous and asynchronous with two strobe signals)
-
Support for bus powered, self powered and high-power bus powered USB configuratoins
-
Integrated level converter provides interfacing between 5V and 3.3V logic
-
Integrated FIFO logic level converter
-
Integrated 3.3V LDO regulator for USB I/O
-
Power supply from 3.3V to 5.25V
-
USB bulk data transmit mode
-
Wake-up capability when in suspend mode
-
Each device has its own unique ID (FTDIChip-IDTM feature)
-
UHCI / OHCI / EHCI host controller compatible
-
USB 1.1 and 2.0 compatible
-
Standard 0.6in wide 24 pin DIP socket
-
Standard USB connector, B type
 MMusb245RL User's Manual
FT245R
- Integrated Power-On-Reset (POR) Circuit
- Integrated Level Converter on FIFO interface and control signals
- Power Management control for USB devices
- Send Immediate / WakeUp (SI / WU) signal
- Lower Suspend Current
- Programmable FIFO Tx Buffer Timeout
- Bit Bang Mode
- Internal EEPROM
- USB 2.0 full speed
- 3.3V LDO Regulator
- x4 frequency multiplier
- Serial Interface Engine (SIE)
- FIFO Receive Buffer (128 bytes)
- FIFO Transmit Buffer (384 bytes)
- FIFO Controller
- FT245R Data Sheet
FT245R Data Sheet
Buy MMusb245RL
MMusb245RL: Price: about 16,34 USD - 1 item.
MMusb245RL: Price: about 15 USD - 10 items.
Note: Net price, attached USB A/B cable.
Order in our shop internet shop.
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