The Bridgetek FT93x series by Bridgetek/FTDI are compact SuperBridge MCUs that deliver a flexible bridging solution between different technologies including USB, UART, SPI, and SD host. The unique feature of the USB device port for a MCU is that in addition to supporting all standard classes, the device may simply be switched in to a hardcoded D2xx mode, eliminating the need for a lot of complex USB coding since a D2xx hardware engine is built in. As this is a smart bridge, the USB may then be paired with a wider variety of interfaces than a standard USB bridge ASIC. This device is a perfect fit for a bridge between USB-to-QSPI, and an interface to the EVE series of graphics controllers, allowing it to enable up to four small USB displays
Features
- High performance 32-bit FT32B core processor, running at a frequency of 100 MHz
- 128 kB on-chip Flash memory
- 128 kB on-chip shadow program memory
- 32 kB on-chip data memory
- One USB 2.0 device controller supports high-speed (480 Mbit/s) and full-speed (12 Mbit/s) with USB battery charging specification Rev 1.2 support
- USB 2.0 device controller supports isochronous, interrupt, control, and bulk transfers for up to 15 endpoints
- USB 2.0 device port may be switched to a hardcoded D2XX mode with up to 7 interfaces – no need to code the USB class
- One SPI master supports single/dual/quad modes of data transfer; clock rate is up to 25 MHz
- One SPI slave supports single data transfer up to 25 MHz
- SD host controller conformant to SDA SD host controller specification V3.0, running up to 25 MHz and software support for SD/SDHC/SDXC cards
- I2C bus interfaces may be configured as master or slave, supporting standard/fast/fast plus/high speed mode data transfers; max data transfer rate up to 3.4 Mbit/s
- 4 UARTs configurable as 2 full UART interfaces or 4 half UART interfaces
- Four 16-bit timers with prescaler and one 32-bit watchdog timer
- Supports 8 independent PWM channels
- Supports 2 independent 10-bit DACs; DAC 0/1 channel output; sample rate of ~1 MS/s
- Supports three 8-bit ADC1/2/3 channel input; sample rate of ~480 KS/s
- Single 3.3 V power supply
