STM32W108HB STM32W108CB STM32W108CC STM32W108CZ High-performance, IEEE 802.15.4 wireless system-on-chip with up to 256 Kbyte of embedded Flash memory Datasheet - not recommended for new design Features Complete system-on-chip 32-bit ARM Cortex -M3 processor 2.4 GHz IEEE 802.15.4 transceiver and VFQFPN48 (7 x 7 mm) lower MAC 128/192/256-Kbyte Flash, 8/12/16-Kbyte RAM memory UFQFPN48 (7 x 7 mm) AES128 encryption accelerator 2 Flexible ADC, SPI/UART/I C serial VFQFPN46 (6 x 6 mm) communications, and general-purpose Robust WiFi and Bluetooth coexistence timers 24 highly configurable GPIOs with Schmitt Innovative network and processor debug trigger inputs Non-intrusive hardware packet trace Industry-leading ARM Cortex -M3 processor Serial wire/JTAG interface Leading 32-bit processing performance Standard ARM debug capabilities: Flash patch and breakpoint data watchpoint and Highly efficient Thumb -2 instruction set trace instrumentation trace macrocell Operation at 6, 12 or 24 MHz Application flexibility Flexible nested vectored interrupt controller Single voltage operation: 2.1-3.6 V with Low power consumption, advanced internal 1.8 V and 1.25 V regulators management Optional 32.768 kHz crystal for higher timer Receive current (w/ CPU): 27 mA accuracy Transmit current (w/ CPU, +3 dBm TX): Low external component count with single 31 mA 24 MHz crystal Low deep sleep current, with retained RAM Support for external power amplifier and GPIO: 400 nA/800 nA with/without Small 7x7 mm 48-pin VFQFPN and sleep timer UFQFPN packages or 6x6 mm 40-pin Low-frequency internal RC oscillator for VFQFPN package low-power sleep timing High-frequency internal RC oscillator for Applications fast (100 s) processor start-up from sleep Exceptional RF performance Smart energy Normal mode link budget up to 102 dB Building automation and control configurable up to 107 dB Home automation and control -99 dBm normal RX sensitivity configurable to -100 dBm (1% PER, Security and monitoring 20 byte packet) ZigBee Pro wireless sensor networking +3 dB normal mode output power RF4CE products and remote controls configurable up to +8 dBm March 2015 DocID16252 Rev 16 1/289 This is information on a product still in production but not recommended for new designs. www.st.comContents STM32W108HB STM32W108CB STM32W108CC STM32W108CZ Contents 1 Description 14 1.1 Development tools 15 1.2 Overview . 16 1.2.1 Functional description 16 1.2.2 ARM Cortex -M3 core . 17 2 Documentation conventions . 18 3 Pinout and pin description . 19 4 Embedded memory . 31 4.1 Memory organization and memory map 31 4.2 Flash memory 35 4.3 Random-access memory . 36 4.3.1 Direct memory access (DMA) to RAM 36 4.3.2 RAM memory protection 37 4.3.3 Memory controller . 37 4.3.4 Memory controller registers 38 4.4 Memory protection unit . 42 5 Radio frequency module 43 5.1 Receive (Rx) path . 43 5.1.1 Rx baseband . 43 5.1.2 RSSI and CCA 43 5.2 Transmit (Tx) path 44 5.2.1 Tx baseband . 44 5.2.2 TX ACTIVE and nTX ACTIVE signals . 44 5.3 Calibration 44 5.4 Integrated MAC module 44 5.5 Packet trace interface (PTI) . 45 5.6 Random number generator . 45 6 System modules . 46 2/289 DocID16252 Rev 16