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SH7455, SH7456

The SH7455 and 7456 Groups are high-performance RISC microcontrollers embedded with an 32-bit SH-4A CPU core.

 

They have a maximum operating frequency of 160 MHz, CPU performance of over 288 MIPS, support single and double-precision floating point arithmetic operations, and achieve a maximum single-precision performance of 1.12 GFLOPS.

 

They incorporate enhanced communication functions required for in-vehicle networks, such as 4 channels of CAN and 2 channels of FlexRay. The SH7455 and SH7456 also incorporate camera interface functions required for in-vehicle camera control such as DRI interface (2 channels) and I2C-bus interface (1 channel), and components required for in-vehicle millimeter wave systems such as PDAC, PSEL, and DRI circuits, Timer unit TMU (3 channels), and multifunction timer unit ATU-IIIS (59 channels). Furthermore, an on-chip inter-board communication function for multi-CPU configurations enables higher performance driver-assist systems.

 

Main Solutions

Key Features:

  • Operating frequency: 160 MHz
  • Performance
    • CPU: 288 MIPS, FPU: 1.12 GFLOPS
  • On-chip large capacity memory
    • ROM: 1MB
    • RAM: 256 KB + 8 KB + 16 KB (Total: 280 KB)
    • high-speed RAM for instruction: 8 KB, high-speed RAM for data: 16 KB, medium-speed large capacity RAM: 256 KB
  • Cache memory: divided into 32 Kbytes instruction and 32 Kbytes data, 4-way set associative
  • FlexRay*module (compliant with FlexRay 2.1 specifications): 1 module (2 ch)
  • Peripheral functions
    • Timer ATU-IIIS: 59 ch
    • A/D converter: 12-bit, 16 ch (8 + 8) 2 modules
    • Direct memory access controller (DMAC): 12 ch
    • Direct RAM input interface (DRI): 2 ch
    • Direct RAM output interface (DRO): 1 ch
    • Parallel DAC control interface (PDAC): 1 ch
    • Parallel selector (PSEL): 1 ch
    • Serial communication interface: 7 ch
    • Controller area network (CAN): 4 ch (64 message slot)
    • Clock generator: multiplication PLL
    • On-chip debugging function (H-UDI)
    • RAM monitor function (AUDR)
  • Package: BGA176 (13 mm x 13 mm, 0.8 mm pin pitch)

    *FlexRay is a registered trademark of Daimler Chrysler AG. Only the SH7455 has 1 module (2 ch).

 

Pin Count / Memory Size Lineup:

Below you will find information to support the development of your application.
You can find an explanation of orderable part numbers here.

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Hardware Design Support

Title Description
IBIS/BSDL

IBIS standard simulation data is required for high-speed board design and can be used to run simulations to examine and troubleshoot issues such as waveform reflection, ringing, and so on, before producing the actual board.

BSDL is a data input format supported by most IEEE 1149.1 (JTAG)-compliant tools. The automatic test pattern generation (ATPG) and automatic test equipment functions of these tools facilitate testing.

You can filter the sample codes and application notes that are displayed using the below filters.

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