 High performance, low power mixed 16-bit/32-bit
FT32B core processor, running at a frequency of
100MHz.
 128kB on-chip Flash memory.
 128kB on-chip shadow program memory.
 True Zero Wait States (0WS) up to 3.1 DMIPS per
MHz performance.
 32kB on-chip data memory.
 Integrated Phase-Locked Loop (PLL) supports
single external 12MHz crystal and direct external
clock source input.
 Real Time Clock (RTC) with automatic calibration
to compensate for inaccuracies in low-cost 32.768
kHz crystal or other input source.
 D2XX hardware engine (USB 2.0 Device) with up
to 7 interfaces
 One USB 2.0 Device controller supports high-speed
(480 Mbit/s) and full-speed (12 Mbit/s).
 USB2.0 Device controller supports Isochronous,
Interrupt, Control, and Bulk transfers for up to 15
endpoints
 Supports One-Wire for firmware download and
software debugging.
 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
25MHz.
 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. Clock stretching is supported.

 Four UARTs configurable as two full UART
interfaces or 4 half UART interfaces
 Four 16-bit timers with prescaler and one 32-bit
watchdog timer.
 Supports eight independent PWM channels. PWM
Channel 0 and 1 may be configured as stereo
audio output channels, supporting PCM 8-bit/16-
bit stereo data.
 Supports two independent 10-bit DACs. DAC 0/1
channel output. Sample rate of ~1MS/s.
 Supports three 8-bit ADC1/2/3 channel input.
Sample rate of ~480KS/s.
 Single 3.3 volt power supply, built-in 1.2 V
regulator.
 3.3 volt I/O power supply, all GPIO pins are 5V
tolerant.
 Supports USB Battery Charging Specification Rev
1.2.
 Power-On Reset (POR).
 -40°C to 85°C extended operating temperature
range.
 Available in compact Pb-free, RoHS compliant 68
to 48-pin packages.