1. Features
■
enCoRe™ II Low Voltage (enCoRe II LV)—enhanced
component reduction
❐
Internal crystalless oscillator with support for optional exter-
nal clock or external crystal or resonator
❐
Configurable IO for real world interface without external com-
ponents
■
Enhanced 8-bit microcontroller
❐
Harvard architecture
❐
M8C CPU speed up to 12 MHz or sourced by an external
crystal, resonator, or clock signal
■
Internal memory
❐
256 bytes of RAM
❐
8 Kbytes of Flash including EEROM emulation
■
Low power consumption
❐
Typically 2.25 mA at 3 MHz
5 μA sleep
❐
■
In-system reprogrammability
❐
Allows easy firmware update
■
General purpose IO ports
❐
Up to 36 General Purpose IO (GPIO) pins
❐
2 mA source current on all GPIO pins. Configurable 8 or
50 mA per pin current sink on designated pins
❐
Each GPIO port supports high impedance inputs, config-
urable pull up, open drain output, CMOS and TTL inputs, and
CMOS output
❐
Maskable interrupts on all IO pins
2. Logic Block Diagram
Internal
12 MHz
Oscillator
Clock
Control
Crystal
Oscillator
CY7C601xx only
POR /
Low-Voltage
Detect
Cypress Semiconductor Corporation
Document 38-16016 Rev. *E
enCoRe™ II Low Voltage Microcontroller
■
SPI serial communication
❐
❐
❐
■
2-channel 8-bit or 1-channel 16-bit capture timer registers.
Capture timer registers store both rising and falling edge times
❐
❐
❐
■
Internal low power wakeup timer during suspend mode
❐
■
Programmable interval timer interrupts
■
Reduced RF emissions at 27 MHz and 96 MHz
■
Watchdog timer (WDT)
■
Low voltage detection with user selectable threshold voltages
■
Improved output drivers to reduce EMI
■
Operating voltage from 2.7V to 3.6V DC
■
Operating temperature from 0–70°C
■
Available in 24 and 40-pin PDIP, 24-pin SOIC, 24-pin QSOP
and SSOP, 28-pin SSOP, and 48-pin SSOP
■
Advanced development tools based on Cypress PSoC
■
Industry standard programmer support
4 SPI/GPIO
Interrupt
Pins
Control
RAM
M8C CPU
256 Byte
Watchdog
Timer
•
198 Champion Court
CY7C601xx, CY7C602xx
Master or slave operation
Configurable up to 2 Mbit per second transfers
Supports half duplex single data line mode for optical sensors
Two registers each for two input pins
Separate registers for rising and falling edge capture
Simplifies interface to RF inputs for wireless applications
Periodic wakeup with no external components
16 GPIO
16 Extended
Pins
I/O Pins
Flash
12-bit Timer
8K Byte
,
•
San Jose
CA 95134-1709
®
tools
Wakeup
Timer
Capture
Timers
•
408-943-2600
Revised December 08, 2008
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