SCPS289B September   2024  – August 2026 TPLD1202

PRODUCTION DATA  

  1.   1
  2.   2
  3.   3
  4. 1 Features
  5. 2 Applications
  6. 3 Description
  7. 4 Pin Configuration and Functions
  8. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Supply Current Characteristics
    7. 5.7  Switching Characteristics
    8. 5.8  I2C Bus Timing Requirements
    9. 5.9  SPI Timing Requirements
    10. 5.10 Typical Characteristics
  9. 6 Parameter Measurement Information
  10. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  I/O Pins
        1. 7.3.1.1 Input Modes
        2. 7.3.1.2 Output Modes
        3. 7.3.1.3 Pull-Up or Pull-Down Resistors
      2. 7.3.2  Connection Mux
      3. 7.3.3  Configurable Use Logic blocks
        1. 7.3.3.1 2-Bit LUT or D Flip-Flop/Latch macro-cell
          1. 7.3.3.1.1 2-Bit LUT
          2. 7.3.3.1.2 D Flip-Flop/Latch
        2. 7.3.3.2 2-Bit LUT or Pattern Generator macro-cell
          1. 7.3.3.2.1 2-Bit LUT
          2. 7.3.3.2.2 Pattern Generator
        3. 7.3.3.3 3-Bit LUT or D Flip-Flop/Latch With Reset/Set Macro-Cell
          1. 7.3.3.3.1 3-bit LUT
          2. 7.3.3.3.2 D Flip-Flop/Latch with Reset/Set
        4. 7.3.3.4 3-Bit LUT or D Flip-Flop/Latch or Shift Register macro-cell
          1. 7.3.3.4.1 3-bit LUT
          2. 7.3.3.4.2 D Flip-Flop/Latch with Reset/Set
          3. 7.3.3.4.3 8-bit Shift Register
        5. 7.3.3.5 4-Bit LUT or D Flip-Flop/Latch with Reset/Set Macro-Cell
          1. 7.3.3.5.1 4-bit LUT
          2. 7.3.3.5.2 D Flip-Flop/Latch with Reset/Set
      4. 7.3.4  Configurable Logic and Timing Blocks
        1. 7.3.4.1 3-bit LUT
        2. 7.3.4.2 D Flip-Flop/Latch with Reset/Set
        3. 7.3.4.3 8-Bit Counters/Delay Generators (CNT/DLY)
          1. 7.3.4.3.1 Delay Mode
          2. 7.3.4.3.2 Reset Counter Mode
          3. 7.3.4.3.3 One-Shot Mode
          4. 7.3.4.3.4 Frequency Detector Mode
          5. 7.3.4.3.5 Edge Detector Mode
          6. 7.3.4.3.6 Delayed Edge Detector Mode
        4. 7.3.4.4 LUT/DFF + CNT modes
      5. 7.3.5  Programmable Deglitch Filter or Edge Detector
      6. 7.3.6  Deglitch Filter or Edge Detector
      7. 7.3.7  State Machine (SM)
        1. 7.3.7.1 State Machine Inputs
        2. 7.3.7.2 State Machine Outputs
        3. 7.3.7.3 Configuring the State Machine
        4. 7.3.7.4 State Machine Timing Considerations
      8. 7.3.8  8-Bit Counters/Delay Generators/Finite State Machines
      9. 7.3.9  PWM Generators
      10. 7.3.10 Watchdog Timer
      11. 7.3.11 Multi-channel Analog Comparator (McACMP)
      12. 7.3.12 Voltage Reference (VREF)
      13. 7.3.13 Analog Temperature Sensor (TS)
      14. 7.3.14 Oscillators
        1. 7.3.14.1 2kHz or 10kHz Selectable Frequency Oscillator
        2. 7.3.14.2 25MHz Fixed Frequency Oscillator
        3. 7.3.14.3 Oscillator Power Modes
      15. 7.3.15 Serial Communications
        1. 7.3.15.1 I2C Mode
        2. 7.3.15.2 SPI Mode
        3. 7.3.15.3 Virtual I/Os
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-On Reset
      2. 7.4.2 Power Supply Control Modes
      3. 7.4.3 Protection Features
        1. 7.4.3.1 Device Read/Write Lock
        2. 7.4.3.2 OTP Cyclic Redundancy Check (CRC)
      4. 7.4.4 Programming
        1. 7.4.4.1 Selectable I2C/SPI Interface
        2. 7.4.4.2 One-Time Programmable Memory (OTP) and Programming Procedure
        3. 7.4.4.3 Intel HEX File Format
  11. 8 TPLD1202 Registers
    1. 8.1 TPLD1202_User Registers
    2. 8.2 TPLD1202_Cfg_0 Registers
    3. 8.3 TPLD1202_Cfg_1 Registers
  12. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Power Considerations
        2. 9.2.1.2 Input Considerations
        3. 9.2.1.3 Output Considerations
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  13. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  14. 11Revision History
  15. 12Mechanical, Packaging, and Orderable Information
7.3.3.4.2 D Flip-Flop/Latch with Reset/Set

When used to implement a sequential logic element, the three input signals from the connection mux go to the data (D), clock (CLK), and reset/set (nRST/nSET) inputs for the flip-flop or latch, with the output going back to the connection mux. This macro-cell has user-configurable initial state, reset/set polarity, and output polarity parameters.

The operation of the D flip-flop/latch follows the functional descriptions below:

  • These DFF/Latches have an option for both an active-low and active-high reset/set:
    • nRST: If High, then the DFF/Latch is in normal operation. If Low, then Q is reset to 0.
    • RST: If Low, then the DFF/Latch is in normal operation. If High, then Q is reset to 0.
    • nSET: If High, then the DFF/Latch is in normal operation. If Low, then Q is set to 1.
    • SET: If Low, then the DFF/Latch is in normal operation. If High, then Q is set to 1.
  • If reset/set is not desired, users can set the polarity to active-low and connect this input to VCC or a constant High source.
  • The output polarity is configurable and can be set to non-inverted (Q) or inverted (nQ).

Table 7-19 and Table 7-20 show the truth tables for the D flip-flop and D latch with an active-low reset/set, respectively.

Table 7-12 D Flip-Flop with nRST/nSET truth table

nRST

nSET

CLK

D

Q

nQ

0

—

X

X

0

1

—

0

X

X

1

0

1

1

↓

0

Q0

nQ0

↑

0

0

1

↓

1

Q0

nQ0

↑

1

1

0
Table 7-13 D Latch with nRST/nSET truth table

nRST

nSET

CLK

D

Q

nQ

0

—

X

X

0

1

—

0

X

X

1

0

1

1

0

0

0

1

1

0

Q0

nQ0

0

1

1

0

1

1

Q0

nQ0