CY8C20110-LDX1I View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

MFG CO.

CY8C20110-LDX1I

CapSense Express™ Button Capacitive Controllers

Cypress Semiconductor 

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CY8C20110, CY8C20180

CY8C20160, CY8C20140

CY8C20142

Register Map (continued)

Name

CS_NEG_NOISE_TH

CS_LOW_BL_RST

CS_FILTERING[19,20]

CS_SCAN_POS_00

CS_SCAN_POS_01

CS_SCAN_POS_02

CS_SCAN_POS_03

CS_SCAN_POS_04

CS_SCAN_POS_10

CS_SCAN_POS_11

CS_SCAN_POS_12

CS_SCAN_POS_13

CS_SCAN_POS_14

CS_FINGER_TH_00

CS_FINGER_TH_01

CS_FINGER_TH_02

CS_FINGER_TH_03

CS_FINGER_TH_04

CS_FINGER_TH_10

CS_FINGER_TH_11

CS_FINGER_TH_12

CS_FINGER_TH_13

CS_FINGER_TH_14

CS_IDAC_00

CS_IDAC_01

CS_IDAC_02

CS_IDAC_03

CS_IDAC_04

CS_IDAC_10

CS_IDAC_11

CS_IDAC_12

CS_IDAC_13

CS_IDAC_14

I2C_ADDR_LOCK

DEVICE_ID

DEVICE_STATUS

I2C_ADDR_DM

Register

Address

(in Hex)

54

55

56

57

58

59

5A

5B

5C

5D

5E

5F

60

61

62

63

64

65

66

67

68

69

6A

6B

6C

6D

6E

6F

70

71

72

73

74

75 [21]

76 [21]

77 [21]

78 [21]

79

7A

7B

7C

Access

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

RW

Writable Only in

SETUP Mode [16]

Factory Default

Values of Registers

(in Hex)

–

14

–

14

–

20

YES

FF

YES

FF

YES

FF

YES

FF

YES

FF

YES

FF

YES

FF

YES

FF

YES

FF

YES

FF

–

64

–

64

–

64

–

64

–

64

–

64

–

64

–

64

–

64

–

64

–

0A

–

0A

–

0A

–

0A

–

0A

–

0A

–

0A

–

0A

–

0A

–

0A

I2C Max ACK

Time in Normal

Mode (ms)

0.11

0.11

0.11

–

–

–

–

–

–

–

–

–

–

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

RW

–

01

0.11

R

–

42/40/60/80/10 [22]

0.11

R

–

03

0.11

RW

–

00

0.11

I2C Max ACK

Time in Setup

Mode (ms)

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

Notes

19. Errata: Added two on-chip filtering algorithms for improved CapSense performance and better noise immunity.

20. Errata: If a finger is on the sensor, during power-up the sensor triggers and the baseline gets stuck. Baseline is stuck only when Averaging Filter is enabled. For more

information, see “Errata” on page 41.

21. The register 0x75–0x78, 0x7,D and 0x8A–0x8D are reserved.

22. The Device ID for different devices are tabulated in Device IDs on page 17.

Document Number: 001-54606 Rev. *J

Page 15 of 46

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