Toshiba TMPR4925 Manual page 240

Bits Mnemonic Field Name
3:1 CS Column Size
0 MW Memory Width
Column Size (Initial value: 000, R/W)
Specifies the column size.
000: 256 words (8 bits)
001: 512 words (9 bits)
010: 1024 words (10 bits)
011: 2048 words (11 bits)
100: 4096 words (12 bits)
101 – 111: Reserved
Memory Width (Initial value: 0, R/W)
Specifies the bus width.
0: 32 bits 1: 16 bits
Figure 9.4.1 SDRAM Channel Control Register (2/2)
9-14
Chapter 9 SDRAM Controller
Description