Renesas公司的芯片的片上存儲器

1. 64bit

 VR系列: 16-32k bytes cache，I/D分開， 2-way. 沒有on-chip的SRAM和program memory。不再繼續開發。

2. 32bit系列

2.1 RISC

V850: No cache. 8-32k internal RAM, 128-512K internal ROM.

SuperH7080: No cache. 256-512K flash memory,  256K ROM, 8-32K SRAM.

SuperH7606: 16k bytes cache, I/D共享，4-way, 16B cache line size. 4K U memory for I/D.

2.2 CISC

RX200: No cache. up to 64K SRAM, up to 512K flash. 8K flash for data.

RX600: No cache. 8-128K SRAM, 64K-2M flash, 32k flash for data.