User guide

Getting Started with CapSense Document No. 001-64846 Rev. *A 59
Table 5-1. CapSense Key Features by Product Family
CY8CMBR2044 CY8C201xx CY8C21x34/B CY8C20x34 CY8C20xx6A/H CY8C24x94
RA M ( By tes ) 512 512 1 K/2 K 1 K
Flash (Bytes) 8 K 8 K 8 K/16 K/32 K 16 K
Operating
Voltage
1.71 V–5.5 V 2.4 V–5.25 V 2.7 V–5.25 V 2.4 V–5.25 V 1.71 V–5.5 V 3.0 V–5.25 V
Configurable Yes Yes
Programmable Yes Yes Yes Yes
Maximum Number
of Sensors
4 10 24 25 33 44
Buttons Yes Yes Yes Yes Yes Yes
Sliders Yes Yes Yes Yes Yes
Proximity Yes Yes Yes Yes
CSD Yes Yes Yes Yes
CSA _EMC Yes Yes Yes
CSDA DC Yes Yes
SmartSense Yes Yes (B) Yes
I2C HW Slav e
Master and
Slave Interface
Master and
Slave Interface
Master and
Slave Interface
Master and
Slave Interface
SPI
Master and
Slave Interface
Master and
Slave Interface
Master and
Slave Interface
Master and
Slave Interface
UA RT UA RT Softw are Softw are UA RT
USB Full speed USB Full speed USB
Timer
8- to 32-bit
timer/counter
13-bit timer 16-bit timer
8- to 32-bit
timer/counter
PWM
8- to 32-bit
deadband option
8- to 32-bit
LED
7-segment
support
7-segment
support
7-segment
support
LCD
20x2 controller
interface
20x2 controller
interface
20x2 controller
interface
20x2 controller
interface
EEPROM Emulation Emulation Emulation Emulation
Water Tolerant
Bootloader I2C I2C
I2C
Full speed USB
I2C
Full speed USB
Feedback Haptics
Comparators Yes Yes Yes
A DC 8- and 10-bit 8- and 10-bit 7- to 13-bit
DA C 6,8 and 9-bit
Random
Sequencer
8- to 32-bit
pseudo
Amplif iers Yes
Filter
2-pole band and
low pass
Feature
Product Family