PSoC® 3: CY8C34
Automotive Family Datasheet
Programmable System-on-Chip (PSoC®)
General Description
With its unique array of configurable blocks, PSoC® 3 is a true system level solution providing microcontroller unit (MCU), memory,
analog, and digital peripheral functions in a single chip while being AEC-Q100 compliant. The CY8C34 family offers a modern method
of signal acquisition, signal processing, and control with high accuracy, high bandwidth, and high flexibility. Analog capability spans
the range from thermocouples (near DC voltages) to ultrasonic signals. The CY8C34 family can handle dozens of data acquisition
channels and analog inputs on every general-purpose input/output (GPIO) pin. The CY8C34 family is also a high-performance
configurable digital system with some part numbers including interfaces such as USB, multimaster inter-integrated circuit (I2C), and
controller area network (CAN). In addition to communication interfaces, the CY8C34 family has an easy to configure logic array, flexible
routing to all I/O pins, and a high-performance single cycle 8051 microprocessor core. You can easily create system-level designs
using a rich library of prebuilt components and boolean primitives using PSoC Creator™, a hierarchical schematic design entry tool.
The CY8C34 family provides unparalleled opportunities for analog and digital bill of materials integration while easily accommodating
last minute design changes through simple firmware updates.
• 8-, 16-, 24-, and 32-bit timers, counters, and PWMs
Features
• Serial peripheral interface (SPI), universal asynchronous
Single cycle 8051 CPU
transmitter receiver (UART), and I2C
DC to 50 MHz operation
Multiply and divide instructions
Flash program memory, up to 64 KB, 100,000 write cycles,
20 years retention, and multiple security features
512-byte flash cache
Up to 8-KB flash error correcting code (ECC) or configuration
• 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
storage
Up to 8 KB SRAM
Analog peripherals (1.71 V VDDA 5.5 V)
1.024 V ± 0.1% internal voltage reference across –40 °C to
+85 °C
Configurable delta-sigma ADC with 8- to 12-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
Up to four 8-bit, 8-Msps IDACs or 1-Msps VDACs
Four comparators with 95-ns response time
Two uncommitted opamps with 25-mA drive capability
Two configurable multifunction analog blocks. Example
configurations are programmable gain amplifier (PGA),
transimpedance amplifier (TIA), mixer, and sample and hold
CapSense support
Up to 2 KB electrically erasable programmable read-only
memory (EEPROM), 1 M cycles, and 20 years retention
24-channel direct memory access (DMA) with multilayer
AHB[1] bus access
• Programmable chained descriptors and priorities
• High bandwidth 32-bit transfer support
Low voltage, ultra low-power
Wide operating voltage range: 1.71 V to 5.5 V
0.8 mA at 3 MHz, 1.2 mA at 6 MHz, and 6.6 mA at 50 MHz
Low-power modes including:
• 1-µA sleep mode with real time clock and low-voltage
detect (LVD) interrupt
• 200-nA hibernate mode with RAM retention
Versatile I/O system
Programming, debug, and trace
JTAG (4-wire), serial wire debug (SWD) (2-wire), and single
wire viewer (SWV) interfaces
29 to 72 I/O (62 GPIOs, eight special input/outputs (SIO),
two USBIOs[2]
)
Any GPIO to any digital or analog peripheral routability
LCD direct drive from any GPIO, up to 46 × 16 segments[2]
CapSense® support from any GPIO[3]
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 GPIO configurable as open drain high/low, pull-up/
pull-down, High Z, or strong output
Configurable GPIO pin state at power-on reset (POR)
25 mA sink on SIO
Digital peripherals
Eight address and one data breakpoint
4-KB instruction trace buffer
Bootloader programming supportable through I2C, SPI,
UART, USB, and other interfaces
Precision, programmable clocking
3- to 62-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 50 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 automotive temperature
–40 °C to +125 °C Extended temperature range
48-pin SSOP, and 100-pin TQFP package options
AEC-Q100 compliant.
16 to 24 programmable logic device (PLD) based universal
digital blocks (UDB)
Full CAN 2.0b 16 Rx, 8 Tx buffers[2]
USB 2.0 certified Full-Speed (FS) 12 Mbps peripheral
interface (TID#40770053) using internal oscillator[2]
Up to four 16-bit configurable timer, counter, and PWM blocks
Library of standard peripherals
Notes
1. AHB – AMBA (advanced microcontroller bus architecture) high-performance bus, an ARM data transfer bus
2. This feature on select devices only. See Ordering Information on page 133 for details.
3. GPIOs with opamp outputs are not recommended for use with CapSense.
Cypress Semiconductor Corporation
Document Number: 001-57331 Rev. *G
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised February 14, 2014
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