Taiwan Region (繁體中文)
Overview
The SH-Navi2G is a high-performance SoC for car navigation systems built around the SH-4A operating at 600MHz and integrating a full complement of peripheral functions, including a graphics engine optimized for map rendering, a 3-D graphics engine supporting high-level rendering processing, and GPS baseband processing functions.
The SH-4A CPU core delivers superior processing performance of 1GIPS or more at its maximum operat ing frequency of 600MHz, and the FPU provides excellent processing performance of 4.2GFLOPS.
System Block Diagram
Specifications
| Item | SH-Navi2G Specifications |
|---|---|
| Type name | R8A77750DBGV |
| Power supply voltage | 1.1 V (internal) / 3.3 V, 1.8 V (external) |
| Maximum operating frequency | 600 MHz |
| Processing performance | 1,080 MIPS, 4.2 GFLOPS (at 600 MHz operation) |
| CPU core | SH-4A core |
| On-chip RAM | ILRAM: 8 Kbytes + OLRAM: 16 Kbytes |
| Cache memory | 4-way set associative type, with separate 32 Kbytes for instructions and 32 Kbytes for data |
| External memory | DDR2-SDRAM (DDR600) directly connectable to dedicated DDR2 bus SRAM and ROM directly connectable to extension bus |
| Extension bus | Address space : 64 Mbytes × 3 |
| Main on-chip peripheral functions |
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| Power-down modes |
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| Package | 560-pin BGA (25 mm × 25 mm) |
