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TX19A/H1 Series

Low-power 32-bit RISC microcontrollers featuring high-speed operation at 100 MHz and enhanced floating-point arithmetic
The TX19A/H1 Series of 32-bit RISC microcontrollers realizes approximately twice the processing speed of the TX19A Series, and offers enhanced floating-point arithmetic capability. These high-speed and low-power microcontrollers are ideal for digital consumer applications where increasingly high-performance and high-functionality products are being developed.

Features of TX19 Family

Features of TX19 Family

Processor Core Features

32-bit RISC architecture
  • Instruction set upward-compatible with MIPS I and MIPS II ISAs
  • TX19A/H1: Operating frequency = 100 MHz
  • Nonblocking loads
  • DSP feature
    • 32-bit multiply-accumulate (MAC) operations take only one clock cycle to execute.
  • Optimized 3-stage pipelining
  • Single-precision floating-point unit (FPU) (TX19A/H1)
  • Debug support unit (DSU)
    • EJTAG
Features suitable for embedded applications
  • Reduced code size due to 16-bit instructions
    • Object-code-compatible with the MIPS16 ASE
  • Code generation optimized for embedded applications
    • n-bit shift instructions, etc.
  • Increased real-time capability
    • Faster interrupt response, shadow registers for saving register contents, etc.
Low power consumption
  • Power-optimized design using low-power cell libraries
  • Low-power modes
    • Clock gear
    • Dual clocks
    • Various standby modes
  • NAND FLASH™ featuring low-power and high-speed program/erase


Product list

You can search for a TX19A/H1 Series Product by categories of functions, characteristics, or packages. [Datasheets can be downloaded here.]

Development Systems


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·Before creating and producing designs and using, customers must also refer to and comply with the latest versions of all relevant TOSHIBA information and the instructions for the application that Product will be used with or for.