FTDI enriches 8-bit FT51A MCU with comprehensive ecosystem
Along with this, it possesses a wide array of interfaces – including USB client, UART, SPI, I2C, 245 FIFO, PWM and GPIO options. The USB hub feature, which is completely unique to this IC, allows multiple USB-enabled devices to be cascaded or combined with one another. The FT51A’s data conversion capabilities comprise of an 8-bit ADC. Its 16kB shadow RAM accelerates read access of the core, thereby heightening throughput levels. Low power operation is another key characteristic of this device, with it only drawing 20mA (typical) while active and 150µA (typical) when in suspend mode
The objective of the FT51A-EVM evaluation module is to furnish engineers with a multitude of different functions through which they can get a better understanding of the FT51A MCU’s application parameters – in particular its suitability for multi-sensor circuits. The module incorporates a 20×2 character LCD display (with an RGB backlight) plus a series of different sensor mechanisms through which various forms of data can be acquired. There is a heart-rate monitor (with filtered and amplified analogue output), a force sensitive resistor (which can measure the pressure applied by the user’s finger) and a SPI-enabled temperature sensor.
The upstream and downstream USB ports permits cascading of multiple units. The module comes preloaded with dedicated firmware – allowing the full scope of the FT51A’s functionality to be benefited from while avoiding the need to create any code. Provision has been made within the modules IOs for communication with FTDI’s FT800 Embedded Video Engine (EVE) modules, so that more sophisticated human machine interfaces can be added if necessary.
Housed within a 40-pin dual-in-line (DIP) package, the UMFT51AA likewise features an FT51A MCU with its extensive array of IOs, plus 8-bit ADC functionality. This compact module provides engineers with is a drop-in replacement for legacy 8051 MCUs via a DIP socket. The built-in USB A socket/plug allows the module to be connected up to a PC via a standard A extension cable or directly. As with the FT51A-EVM, this module is also capable of cascading units together, thanks to the FT51A’s USB hub feature. Both these modules have a debugger interface header for FT51A debugging/programming purposes.
The FTPD-1 is a credit card sized programmer/debugger module which accompanies the UMFT51AA and FT51A-EVM. Through its FT230X USB-to-UART conversion IC and dual buffer it can generate a single line half-duplex UART signal with no handshake. This enables the FT51A MCU to be programmed in a quick and easy manner.
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