CYRF89435
PRoC™ - CapSense®
PRoC™ - CapSense®
■ Precision, programmable clocking
❐ Internal main oscillator (IMO): 6/12/24 MHz ± 5%
❐ Internal low-speed oscillator (ILO) at 32 kHz for watchdog
and sleep timers
PRoC-CS Features
■ Single Device, Two functions
❐ 8-bit flash based capacitive touch controller MCU function
and 2.4-GHz WirelessUSB™ NL radio transceiver function
in a single device
❐ Precision 32 kHz oscillator for optional external crystal
■ Programmable pin configurations
■ Wide operating range: 1.9 V to 3.6 V
❐ Configurable capacitive sensing elements
❐ 7 μA per sensor at 500 ms scan rate
❐ Supports SmartSense™ Auto-tuning
❐ Up to 13 general-purpose I/Os (GPIOs)
❐ Dual mode GPIO: All GPIOs support digital I/O and analog
inputs
❐ 25-mA sink current on each GPIO
• 120 mA total sink current on all GPIOs
❐ Pull-up, high Z, open-drain modes on all GPIOs
❐ CMOS drive mode –5 mA source current on ports 0 and 1
and 1 mA on port 2
❐ 20 mA total source current on all GPIOs
❐ Supports a combination of CapSense® buttons, sliders,
touchpads, touchscreens, and proximity sensors
❐ SmartSense_EMC offers superior noise immunity for
applications with challenging conducted and radiated noise
conditions
❐ 2.4-GHz WirelessUSB NL Transceiver function
❐ Operates in the 2.4-GHz ISM Band (2.402 GHz - 2.479 GHz)
❐ 1-Mbps over-the-air data rate
■ Versatile analog system
❐ Low-dropout voltage regulator for all analog resources
❐ Receive sensitivity typical: –87 dBm
❐ Below 1 μA typical current consumption in sleep state
❐ Closed-loop frequency synthesis
❐ Common internal analog bus enabling capacitive sensing on
all pins
❐ High power supply rejection ratio (PSRR) comparator
❐ 8 to 10-bit incremental analog-to-digital converter (ADC)
❐ Supports frequency-hopping spread spectrum
❐ On-chip packet framer with 64-byte first in first out (FIFO)
■ Additional system resources
data buffer
❐ I2C slave:
❐ Built-in auto-retry-acknowledge protocol simplifies usage
❐ Built-in cyclic redundancy check (CRC), forward error
correction (FEC), data whitening
❐ Additional outputs for interrupt request (IRQ) generation
❐ Digital readout of received signal strength indication (RSSI)
• Selectable to 50 kHz, 100 kHz, or 400 kHz
❐ SPI master and slave: Configurable 46.9 kHz to 12 MHz
❐ Three 16-bit timers
❐ Watchdog and sleep timers
❐ Integrated supervisory circuit
❐ Emulated E2PROM using flash memory
■ Powerful Harvard-architecture processor
❐ M8C CPU –Up to 4 MIPS with 24 MHz Internal clock, external
crystal resonator or clock signal
■ Complete development tools
❐ Free development tool (PSoC Designer™)
❐ Full-featured, in-circuit emulator (ICE) and programmer
❐ Full-speed emulation
❐ Complex breakpoint structure
❐ 128 KB trace memory
❐ Low power at high speed
■ Temperature range: 0 °C to +70 °C
■ Flexible on-chip memory
• 32 KB Flash/2 KB SRAM
❐ 50,000 flash erase/write cycles
❐ Partial flash updates
❐ Flexible protection modes
❐ In-system serial programming (ISSP)
■ Package option
❐ 40-pin 6 mm × 6 mm QFN
Cypress Semiconductor Corporation
Document Number: 001-76581 Rev. *D
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised October 18, 2012
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