CAP1203 datasheet(52/59 Pages) MICROCHIP

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DS00001572B-page 52

 2013-2015 Microchip Technology Inc.

APPENDIX A:

DEVICE DELTA

A.1

Delta from CAP1133 to CAP1203

1. Revision ID set to 00h.

2. Pinout changed. LED pins removed. Added GND pin as ground slug is no longer used for ground

connection.

3. Reduced package size from a 10-pin 3mm x 3mm DFN to an 8-pin 2mm x 3mm TDFN.

4. Added Power Button feature (see Section 4.5, "Power Button").

5. Added ACAL_FAIL bit to flag analog calibration failures (see Section 5.2, "Status Registers") and

ACAL_FAIL_INT bit to control analog calibration failure interrupts (see Section 5.6, "Configuration

Registers").

6. Added BC_OUT bit to flag calibration failures regarding base counts out of limit (see Section 5.2,

"Status Registers") and BC_OUT_RECAL and BC_OUT_INT bit to control base count out of limit

behavior and interrupts (see Section 5.6, "Configuration Registers"). Added Base Count Out of

Limit Register to indicate which sensor inputs have base counts outside the operating range (see

Section 5.16, "Base Count Out of Limit Register").

7. Increased supply voltage range for 5V operation.

8. Removed proximity detection gain.

9. LEDs removed.

10. Removed ALERT pin configuration.

11. Register set change as shown in Table A-1, "Register Delta".

TABLE A-1:

Address

Delta

Default

00h

Page 22

Removed bits - Main

Control Register

Removed GAIN[1:0] bits.

00h

02h

Page 23

Added bits - General

Status Register

Added bit 4 PWR for new Power Button

feature. Added bit 5 ACAL_FAIL to

indicate analog calibration failure. Added

bit 6 BC_OUT. Removed bit 4 LED

status.

00h

04h

Removed - LED Status

removed register

n/a

26h

Page 32

Renamed Calibration

Activate and Status

functionality

In addition to forcing a calibration, the

calibration for each sensor input.

00h

2Eh

Page 36

New - Base Count Out

of Limit Register

new register for calibration status

00h

44h

Page 26

Added and removed

bits - Configuration 2

Added bit 1 ACAL_FAIL_INT. Changed

bit 4 from BLK_POL_MIR to

BC_OUT_INT. Changed bit 6 from

ALT_POL to BC_OUT_RECAL.

Removed bit 7 INV_LINK_TRAN.

40h

60h

Page 43

New - Power Button

new register for Power Button feature

00h

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