SCPS193C July   2010  – April 2014 TCA6424A

PRODUCTION DATA.  

  1. Features
  2. Description
  3. Revision History
  4. Description (continued)
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Electrical Characteristics
    5. 6.5 I2C Interface Timing Requirements
    6. 6.6 Reset Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
      1. 8.1.1 Voltage Translation
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 I/O Port
      2. 8.3.2 I2C Interface
      3. 8.3.3 Device Address
    4. 8.4 Programming
      1. 8.4.1 Power-On Reset
      2. 8.4.2 Reset Input (RESET)
      3. 8.4.3 Interrupt Output (INT)
      4. 8.4.4 Bus Transactions
        1. 8.4.4.1 Writes
        2. 8.4.4.2 Reads
    5. 8.5 Register Maps
      1. 8.5.1 Control Register and Command Byte
      2. 8.5.2 Register Descriptions
  9. Applications and Implementation
    1. 9.1 Typical Application
      1. 9.1.1 Minimizing ICC When I/Os Control LEDs
  10. 10Power Supply Recommendation
  11. 11Device and Documentation Support
    1. 11.1 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

RGJ/RSM PACKAGE
(BOTTOM VIEW)
po_cps193.gif
If used, the exposed center pad must be connected as a secondary ground or left electrically open.

Pin Functions

PIN DESCRIPTION
PIN NO. NAME
1 P00 P-port input/output (push-pull design structure). At power on, P00 is configured as an input.
2 P01 P-port input/output (push-pull design structure). At power on, P01 is configured as an input.
3 P02 P-port input/output (push-pull design structure). At power on, P02 is configured as an input.
4 P03 P-port input/output (push-pull design structure). At power on, P03 is configured as an input.
5 P04 P-port input/output (push-pull design structure). At power on, P04 is configured as an input.
6 P05 P-port input/output (push-pull design structure). At power on, P05 is configured as an input.
7 P06 P-port input/output (push-pull design structure). At power on, P06 is configured as an input.
8 P07 P-port input/output (push-pull design structure). At power on, P07 is configured as an input.
9 P10 P-port input/output (push-pull design structure). At power on, P10 is configured as an input.
10 P11 P-port input/output (push-pull design structure). At power on, P11 is configured as an input.
11 P12 P-port input/output (push-pull design structure). At power on, P12 is configured as an input.
12 P13 P-port input/output (push-pull design structure). At power on, P13 is configured as an input.
13 P14 P-port input/output (push-pull design structure). At power on, P14 is configured as an input.
14 P15 P-port input/output (push-pull design structure). At power on, P15 is configured as an input.
15 P16 P-port input/output (push-pull design structure). At power on, P16 is configured as an input.
16 P17 P-port input/output (push-pull design structure). At power on, P17 is configured as an input.
17 P20 P-port input/output (push-pull design structure). At power on, P20 is configured as an input.
18 P21 P-port input/output (push-pull design structure). At power on, P21 is configured as an input.
19 P22 P-port input/output (push-pull design structure). At power on, P22 is configured as an input.
20 P23 P-port input/output (push-pull design structure). At power on, P23 is configured as an input.
21 P24 P-port input/output (push-pull design structure). At power on, P24 is configured as an input.
22 P25 P-port input/output (push-pull design structure). At power on, P25 is configured as an input.
23 P26 P-port input/output (push-pull design structure). At power on, P26 is configured as an input.
24 P27 P-port input/output (push-pull design structure). At power on, P27 is configured as an input.
25 GND Ground
26 ADDR Address input. Connect directly to VCCP or ground.
27 VCCP Supply voltage of TCA6424A for P port
28 RESET Active-low reset input. Connect to VCCI through a pullup resistor, if no active connection is used.
29 SCL Serial clock bus. Connect to VCCI through a pullup resistor.
30 SDA Serial data bus. Connect to VCCI through a pullup resistor.
31 VCCI Supply voltage of I2C bus. Connect directly to the VCC of the external I2C master. Provides voltage-level translation.
32 INT Interrupt output. Connect to VCCI through a pullup resistor.