CY8C5247LTI-089T
Features
32-bit ARM Cortex-M3 CPU core
DC to 40 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
1.2 V to 5.5 V I/O interface voltages, up to four 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/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 timer, counter, and PWM blocks
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
Successive approximation register (SAR) analog-to-digital
converter (ADC), 12-bit at 700 ksps
One 8-bit, 5.5-Msps current DAC (IDAC) or 1-Msps voltage
DAC (VDAC)
Two comparators with 95-ns response time
CapSense support
Programming, debug, and trace
Serial 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 24 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 40 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 degrees industrial temperature
68-pin QFN and 100-pin TQFP package options
