Data Sheet
2
• 32 kHz up to 96 MHz 32-bit ARM Cortex-M33
with 16 kBytes, 4-way associative cache
and FPU Memory
• A flexible and configurable BLE MAC engine
implementing the controller.
• A sensor node controller running uCode.
• Optimized power modes (Extended sleep,
Deep sleep and Hibernation).
Flash
• 32Mbit SPI Flash
Memory
• 512 kB Data SRAM with retention capabilities
• 4 kB One-Time-Programmable (OTP)
Memory.
• 16 kB Cache SRAM with retention
capabilities.
• 128 kB ROM (including boot ROM and PKI
routines for Flash image authentication).
• Antenna
• Embedded Antenna
IO Interfaces
• Decrypt-on-the-fly QSPI FLASH interface.
• Separate QSPI PSRAM interface.
• Parallel/SPI LCD Controller with own DMA.
• 3 x UARTs up to 1 Mbps, one UART
extended to support ISO7816.
• 2 SPI+™ controllers
• 2 I2C controllers at 100 kHz, 400 kHz or 3.4
MHz.
• PDM interface with HW sample rate
converter.
• I2S/PCM master/slave interface up to 8
channels.
• USB 1.1 Full Speed device interface.
• 8-channel 10-bit SAR ADC, 3.4 M
samples/sec.
• 8-channel 14-bit ΣΔ ADC, 1000
samples/sec.
• Haptic driver interface to LRA/ERM motors.
• 2 matched White LED drivers
Power input
• (2.4 V-4.75 V) Power Input
Package
• Stamp Module 19.6 mm x 15 mm x 2.45 mm
Certifications
• FCC/CE
Application
• Fitness trackers
• Sport watches
• Smartwatches
• Voice-controlled remote controls
• Rechargeable keyboards
• Toys.
• Consumer appliances
• Home automation
• Industrial automation
Revision History