CY8C5566AXI-061
Features
■ 32-bit ARM Cortex-M3 CPU core
❐ DC to 67 MHz operation
❐ Flash program memory, up to 256 KB, 100,000 write cycles,
20-year retention, and multiple security features
❐ Up to 64 KB SRAM memory
❐ 128 bytes of cache memory
❐ 2-KB electrically erasable programmable read-only memory
(EEPROM) memory, 1 million cycles, and 20 years retention
❐ 24-channel direct memory access (DMA) with multilayer
AMBA high-performance bus (AHB) bus access
• Programmable chained descriptors and priorities
• High bandwidth 32-bit transfer support
■ Low voltage, ultra low power
❐ Operating voltage range:2.7 V to 5.5 V
❐ 6 mA at 6 MHz
❐ Low power modes including:
• 2-μA sleep mode
• 300-nA hibernate mode with RAM retention
■ Versatile I/O system
❐ 46 to 70 I/Os (60 GPIOs, 8 SIOs, 2 USBIOs)
❐ Any GPIO to any digital or analog peripheral routability
❐ LCD direct drive from any GPIO, up to 46×16 segments
❐ CapSense® support from any GPIO[1]
❐ 1.2 V to 5.5 V I/O interface voltages, up to 4 domains
❐ Maskable, independent IRQ on any pin or port
❐ Schmitt-trigger transistor-transistor logic (TTL) inputs
❐ All GPIOs configurable as open drain high/low,
pull-up/pull-down, High-Z, or strong output
❐ 25 mA sink on SIO
■ Digital peripherals
❐ 20 to 24 programmable logic device (PLD) based universal
digital blocks (UDBs)
❐ Full-Speed (FS) USB 2.0 12 Mbps using a 24 MHz external
oscillator
❐ Four 16-bit configurable timers, counters, and PWM blocks
❐ 67 MHz, 24-bit fixed point digital filter block (DFB) to
implement finite impulse response (FIR) and infinite impulse
response (IIR) filters
❐ Library of standard peripherals
• 8-, 16-, 24-, and 32-bit timers, counters, and PWMs
• SPI, UART, and I2C
• Many others available in catalog
❐ Library of advanced peripherals
• Cyclic redundancy check (CRC)
• Pseudo random sequence (PRS) generator
• Local interconnect network (LIN) bus 2.0
• Quadrature decoder
■ Analog peripherals (2.7 V VDDA 5.5 V)
❐ 1.024 V ±1% internal voltage reference
❐ Configurable delta-sigma ADC with 8- to 20-bit resolution
• Sample rates up to 192 ksps
• Programmable gain stage: ×0.25 to ×16
• 12-bit mode, 192 ksps, 66-dB signal to noise and distortion
ratio (SINAD), ±1-bit INL/DNL
• 16-bit mode, 48 ksps, 84-dB SINAD, ±2-bit INL, ±1-bit DNL
❐ Two SAR ADCs, each 12-bit at 700 ksps
❐ Four 8-bit 5.5 Msps current IDACs or 1-Msps voltage VDACs
❐ Four comparators with 95-ns response time
❐ Four uncommitted opamps with 10-mA drive capability
❐ Four configurable multifunction analog blocks. Example
configurations are programmable gain amplifier (PGA),
transimpedance amplifier (TIA), mixer, and Sample and Hold
❐ CapSense support
■ Programming, debug, and trace
❐ Single-wire debug (SWD) and single wire viewer (SWV)
interfaces
❐ Cortex-M3 flash patch and breakpoint (FPB) block
❐ Cortex-M3 data watchpoint and trace (DWT) generates data
trace information
❐ Cortex-M3 Instrumentation Trace Macrocell (ITM) can be
used for printf-style debugging
❐ DWT and ITM blocks communicate with off-chip debug and
trace systems via the SWV interface
❐ Bootloader programming supportable through I2C, SPI,
UART, USB, and other interfaces
■ Precision, programmable clocking
❐ 3 to 48 MHz internal oscillator over full temperature and
voltage range
❐ 4- to 25 MHz crystal oscillator for crystal PPM accuracy
❐ Internal PLL clock generation up to 67 MHz
❐ 32.768 kHz watch crystal oscillator
❐ Low power internal oscillator at 1, 33, and 100 kHz
■ Temperature and packaging
❐ –40 °C to +85 °C industrial temperature
❐ 68-pin QFN and 100-pin TQFP package options.
