ZHCSF09A May 2016 – October 2024 FDC2112-Q1 , FDC2114-Q1 , FDC2212-Q1 , FDC2214-Q1
PRODUCTION DATA
- 1
- 1 特性
- 2 应用
- 3 说明
- 4 Pin Configuration and Functions
- 5 Specifications
-
6 Detailed Description
- 6.1 Overview
- 6.2 Functional Block Diagrams
- 6.3 Feature Description
- 6.4 Device Functional Modes
- 6.5 Programming
- 6.6
Register Maps
- 6.6.1 Register List
- 6.6.2 Address 0x00, DATA_CH0
- 6.6.3 Address 0x01, DATA_LSB_CH0 (FDC2212 / FDC2214 only)
- 6.6.4 Address 0x02, DATA_CH1
- 6.6.5 Address 0x03, DATA_LSB_CH1 (FDC2212 / FDC2214 only)
- 6.6.6 Address 0x04, DATA_CH2 (FDC2114, FDC2214 only)
- 6.6.7 Address 0x05, DATA_LSB_CH2 (FDC2214 only)
- 6.6.8 Address 0x06, DATA_CH3 (FDC2114, FDC2214 only)
- 6.6.9 Address 0x07, DATA_LSB_CH3 (FDC2214 only)
- 6.6.10 Address 0x08, RCOUNT_CH0
- 6.6.11 Address 0x09, RCOUNT_CH1
- 6.6.12 Address 0x0A, RCOUNT_CH2 (FDC2114, FDC2214 only)
- 6.6.13 Address 0x0B, RCOUNT_CH3 (FDC2114, FDC2214 only)
- 6.6.14 Address 0x0C, OFFSET_CH0 (FDC21112 / FDC2114 only)
- 6.6.15 Address 0x0D, OFFSET_CH1 (FDC21112 / FDC2114 only)
- 6.6.16 Address 0x0E, OFFSET_CH2 (FDC2114 only)
- 6.6.17 Address 0x0F, OFFSET_CH3 (FDC2114 only)
- 6.6.18 Address 0x10, SETTLECOUNT_CH0
- 6.6.19 Address 0x11, SETTLECOUNT_CH1
- 6.6.20 Address 0x12, SETTLECOUNT_CH2 (FDC2114, FDC2214 only)
- 6.6.21 Address 0x13, SETTLECOUNT_CH3 (FDC2114, FDC2214 only)
- 6.6.22 Address 0x14, CLOCK_DIVIDERS_CH0
- 6.6.23 Address 0x15, CLOCK_DIVIDERS_CH1
- 6.6.24 Address 0x16, CLOCK_DIVIDERS_CH2 (FDC2114, FDC2214 only)
- 6.6.25 Address 0x17, CLOCK_DIVIDERS_CH3 (FDC2114, FDC2214 only)
- 6.6.26 Address 0x18, STATUS
- 6.6.27 Address 0x19, ERROR_CONFIG
- 6.6.28 Address 0x1A, CONFIG
- 6.6.29 Address 0x1B, MUX_CONFIG
- 6.6.30 Address 0x1C, RESET_DEV
- 6.6.31 Address 0x1E, DRIVE_CURRENT_CH0
- 6.6.32 Address 0x1F, DRIVE_CURRENT_CH1
- 6.6.33 Address 0x20, DRIVE_CURRENT_CH2 (FDC2114 / FDC2214 only)
- 6.6.34 Address 0x21, DRIVE_CURRENT_CH3 (FDC2114 / FDC2214 only)
- 6.6.35 Address 0x7E, MANUFACTURER_ID
- 6.6.36 Address 0x7F, DEVICE_ID
- 7 Application and Implementation
- 8 Device and Documentation Support
- 9 Revision History
- 10Mechanical, Packaging, and Orderable Information
7.1.5 Application Curves for Proximity Sensing
Common test conditions (unless specified otherwise): Sensor capacitor: 1 layer, 20.9 × 13.9mm, Bourns CMH322522-180KL sensor inductor with L=18µH and 33pF 1% COG/NP0 Target: Grounded aluminum plate (176 × 123mm), Channel = Channel 0 (continuous mode) CLKIN = 40MHz, CHx_FIN_SEL = b10, CHx_FREF_DIVIDER = b00 0000 0001 CH0_RCOUNT = 0xFFFF, SETTLECOUNT_CH0 = 0x0100, DRIVE_CURRENT_CH0 = 0x7800
Figure 7-4 FDC2212 / FDC2214: Capacitance vs Target Distance (0mm to 20mm)
Figure 7-6 FDC2212 / FDC2214: Capacitance vs Target Distance (40mm to 60mm)
Figure 7-5 FDC2112 / FDC2114: Capacitance vs Target Distance (20mm to 40mm)