SCPS222C May 2010 – October 2015 TCA8418E
PRODUCTION DATA.
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Pin Configuration and Functions
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6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 ESD Ratings
- 6.3 Recommended Operating Conditions
- 6.4 Thermal Information
- 6.5 Electrical Characteristics
- 6.6 I2C Interface Timing Requirements
- 6.7 Reset Timing Requirements for Standard Mode, Fast Mode, Fast Mode Plus (FM+) I2C Bus
- 6.8 Switching Characteristics for Standard Mode, Fast Mode, Fast Mode Plus (FM+) I2C Bus
- 6.9 Keypad Switching Characteristics for Standard Mode, Fast Mode, Fast Mode Plus (FM+) I2C Bus
- 6.10 Typical Characteristics
- 7 Parameter Measurement Information
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8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3 Feature Description
- 8.4 Device Functional Modes
- 8.5 Programming
- 8.6
Register Maps
- 8.6.1 Device Address
- 8.6.2
Control Register and Command Byte
- 8.6.2.1 Configuration Register (Address 0x01)
- 8.6.2.2 Interrupt Status Register, INT_STAT (Address 0x02)
- 8.6.2.3 Key Lock and Event Counter Register, KEY_LCK_EC (Address 0x03)
- 8.6.2.4 Key Event Registers (FIFO), KEY_EVENT_A-J (Address 0x04-0x0D)
- 8.6.2.5 Keypad Lock1 to Lock2 Timer Register, KP_LCK_TIMER (Address 0x0E)
- 8.6.2.6 Unlock1 and Unlock2 Registers, UNLOCK1/2 (Address 0x0F-0x10)
- 8.6.2.7 GPIO Interrupt Status Registers, GPIO_INT_STAT1-3 (Address 0x11-0x13)
- 8.6.2.8 GPIO Data Status Registers, GPIO_DAT_STAT1-3 (Address 0x14-0x16)
- 8.6.2.9 GPIO Data Out Registers, GPIO_DAT_OUT1-3 (Address 0x17-0x19)
- 8.6.2.10 GPIO Interrupt Enable Registers, GPIO_INT_EN1-3 (Address 0x1A-0x1C)
- 8.6.2.11 Keypad or GPIO Selection Registers, KP_GPIO1-3 (Address 0x1D-0x1F)
- 8.6.2.12 GPI Event Mode Registers, GPI_EM1-3 (Address 0x20-0x22)
- 8.6.2.13 GPIO Data Direction Registers, GPIO_DIR1-3 (Address 0x23-0x25)
- 8.6.2.14 GPIO Edge/Level Detect Registers, GPIO_INT_LVL1-3 (Address 0x26-0x28)
- 8.6.2.15 Debounce Disable Registers, DEBOUNCE_DIS1-3 (Address 0x29-0x2B)
- 8.6.2.16 GPIO Pullup Disable Register, GPIO_PULL1-3 (Address 0x2C-0x2E)
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, Packaging, and Orderable Information
12 Device and Documentation Support
12.1 Community Resources
The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use.
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TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers.
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Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support.
12.2 Trademarks
E2E is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
12.3 Electrostatic Discharge Caution
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
12.4 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.