PSoC® 3: CY8C32 Family
Data Sheet
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. The CY8C32 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 CY8C32 family can handle dozens of data acquisition channels and analog inputs on
every general-purpose input/output (GPIO) pin. The CY8C32 family is also a high-performance configurable digital system with some
part numbers including interfaces such as USB, and multimaster inter-integrated circuit (I2C). In addition to communication interfaces,
the CY8C32 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 CY8C32 family provides unparalleled opportunities for analog
and digital bill of materials integration while easily accommodating last minute design changes through simple firmware updates.
Features
Single cycle 8051 CPU core
DC to 50 MHz operation
Full-speed (FS) USB 2.0 12 Mbps using internal oscillator[2]
Up to four 16-bit configurable timer, counter, and PWM blocks
Library of standard peripherals
Multiply and divide instructions
• 8-, 16-, 24-, and 32-bit timers, counters, and PWMs
• Serial peripheral interface (SPI), universal asynchronous
transmitter receiver (UART), and I2C
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
storage
Up to 8 KB SRAM
Up to 2 KB electrically erasable programmable read-only
memory (EEPROM), 1 M cycles, and 20 years retention
• 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 (1.71 V VDDA 5.5 V)
1.024 V ±0.9-percent internal voltage reference across –40°C
to +85°C
24-channel direct memory access (DMA) with multilayer
AHB[1] bus access
• Programmable chained descriptors and priorities
• High bandwidth 32-bit transfer support
Configurable delta-sigma ADC with 8- to12-bit resolution
Low voltage, ultra low-power
Wide operating voltage range: 0.5 V to 5.5 V
High efficiency boost regulator from 0.5-V through 1.8-V to
5.0-V output
• 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
One 8-bit, 8-Msps IDAC or 1-Msps VDAC
Two comparators with 95 ns response time
CapSense support
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 (RTC) and
low-voltage detect (LVD) interrupt
Programming, debug, and trace
• 200-nA hibernate mode with RAM retention
Versatile I/O system
JTAG (4-wire), serial wire debug (SWD) (2-wire), and single
wire viewer (SWV) interfaces
Eight address and one data breakpoint
4-KB instruction trace buffer
28 to 72 I/O (62 GPIOs, eight special input/outputs (SIO),
two USBIOs[2]
)
Bootloader programming supportable through I2C, SPI,
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
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 50 MHz
32.768-kHz watch crystal oscillator
All GPIO configurable as open drain high/low,
pull-up/pull-down, High Z, or strong output
Low-power internal oscillator at 1, 33, and 100 kHz
Temperature and packaging
Configurable GPIO pin state at power-on reset (POR)
25 mA sink on SIO
–40°C to +85°C degrees industrial temperature
48-pin SSOP, 48-pin QFN, 68-pin QFN, and 100-pin TQFP
package options
Digital peripherals
16 to 24 programmable PLD based universal digital
blocks (UDB)
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 107 for details.
3. GPIOs with opamp outputs are not recommended for use with CapSense.
Cypress Semiconductor Corporation
Document Number: 001-56955 Rev. *N
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised June 18, 2012
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