Section 18 Ram - Hitachi H8S/2628 Hardware Manual

The H8S/2628 has 8 kbytes, and the H8S/2627 has 6 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.
The on-chip RAM can be enabled or disabled by means of the RAME bit in the system control
register (SYSCR). For details on SYSCR, refer to section 3.2.2, System Control Register
(SYSCR).
Product Model
H8S/2628 Series

Section 18 RAM

ROM Type
HD64F2628 Flash memory
version
HD6432628 Masked ROM
version
HD6432627
Capacity Address
8 kbytes H'FFD000 to H'FFEFBF
8 kbytes H'FFD000 to H'FFEFBF
6 kbytes H'FFD800 to H'FFEFBF
Rev. 1.0, 09/02, page 443 of 568