CY8C20121-SX1I Cypress Semiconductor Corp, CY8C20121-SX1I Datasheet - Page 9

• Manufacturer Part Number: CY8C20121-SX1I
• Description: CY8C20121-SX1I
• Manufacturer: Cypress Semiconductor Corp
• Series: CapSense Express™ CY8C20xxxr

Specifications of CY8C20121-SX1I

• Controller Type: Capacitive Sensing Controller
• Interface: I²C
• Voltage - Supply: 2.4 V ~ 5.25 V
• Current - Supply: 1.5mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Processor Series: CY8C201xx
• Core: M8C
• Program Memory Type: Flash
• Interface Type: I2C
• Operating Supply Voltage: 2.4 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: CY3218-CAPEXP1
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 6. CapSense Express Commands
Document Number: 001-53516 Rev. *E
Note
6. ‘W’ indicates the write transfer. The next byte of data represents the 7 bit I
Command
W 00 A0 0A
W 00 A0 0B
W 00 A0 00
W 00 A0 01
W 00 A0 02
W 00 A0 03
W 00 A0 04
W 00 A0 05
W 00 A0 06
W 00 A0 07
W 00 A0 08
W 00 A0 09
[6]
Get firmware revision
Store current configuration to NVM
Restore factory configuration
Write NVM POR defaults
Read NVM POR defaults
Read current configurations (RAM)
Reconfigure device (POR)
Set Normal mode of operation
Set Setup mode of operation
Start scan
Stop scan
Get CapSense scan status
Description
2
C address.
Setup/Normal
Setup/Normal
Setup/Normal
Setup/Normal
Setup/Normal
Setup/Normal
Setup
Setup/Normal
Setup/Normal
Setup/Normal
Setup/Normal
Setup/Normal
Executable
Mode
Duration the Device is NOT Ac-
CY8C20111, CY8C20121
cessible after ACK (in ms)
120
120
120
10
0
5
5
5
0
0
5
0
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