Datasheet

Section 19 RAM
Rev. 6.00 Mar. 18, 2010 Page 713 of 982
REJ09B0054-0600
Section 19 RAM
The H8S/2239 has 32 kbytes of on-chip high-speed static RAM. The H8S/2258, H8S/2238B,
H8S/2238R, H8S/2237, and H8S/2227 have 16 kbytes of on-chip high-speed static RAM. The
H8S/2256, H8S/2236B, H8S/2236R have 8 kbytes of on-chip high-speed static RAM. The
H8S/2235, H8S/2233, H8S/2225, H8S/2224, and H8S/2223 have 4 kbytes of on-chip high-speed
static RAM. The RAM is connected to the CPU by a 16-bit data bus, enabling one-state access by
the CPU to both byte data and word data.