Datasheet

Table Of Contents
Section 18 RAM
REJ09B0140-0900 Rev. 9.00 Page 625 of 846
Sep 16, 2010
H8S/2215 Group
Section 18 RAM
This LSI has 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. This makes it possible
to perform fast word data transfer.
The on-chip RAM can be enabled or disabled by means of the RAM enable bit (RAME) in the
system control register (SYSCR). For details on SYSCR, refer to section 3.2.2, System Control
Register (SYSCR).
Product Class ROM Type RAM Size RAM Address
H8S/2215
Group
HD64F2215R Flash memory Version 20 kbytes
HD64F2215RU
HD64F2215T
H'FFA000 to H'FFEFBF
H'FFFFC0 to H'FFFFFF
HD64F2215TU
HD64F2215CU
HD64F2215
HD64F2215U
HD6432215B Masked ROM Version
16 kbytes H'FFB000 to H'FFEFBF
H'FFFFC0 to H'FFFFFF
HD6432215C 8 kbytes H'FFD000 to H'FFEFBF
H'FFFFC0 to H'FFFFFF