概要

The SH-Navi2G is a high-performance SoC for car navigation systems built around the SH-4A operating at 600 MHz 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 1 GIPS or more at its maximum operat ing frequency of 600 MHz, and the FPU provides excellent processing performance of 4.2 GFLOPS.

系统框图

SH7775 System Block Diagram

规格
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 Renesas graphics processor (2D/3D), 3-D graphics engine, display control
Video input interface
GPS baseband processing module
USB 2.0 host/function interface
Dedicated DMAC × 25 channels
Various sound interfaces × 4 channels
Controller Area Network (CAN) interface × 1 channel
ATAPI interface
Serial peripheral interface × 1 channel
Remote control interface × 1 channel
Serial communication interface × 9 channels
Timer × 9 channels
On-chip debugging function
Interrupt controller
Clock pulse generator: built-in multiplication PLL
Power-down modes Sleep mode
Clock-stop mode
DDR-SDRAM power supply backup mode
Package 560-pin BGA (25 mm × 25 mm)
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