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- SuperH RISC engine Family
- SH7450 Series
SH7455, SH7456
Product Overview:
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.
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).
Key Applications:
- Automoitve device control(Driver-assist systems)
e-Learning
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