HD64F2145 Datasheet, PDF (615/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Section 22 RAM
This LSI has an 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 Classification
Flash memory version H8S/2161B
H8S/2160B
H8S/2141B
H8S/2140B
H8S/2145B
H8S/2148B
Masked ROM version H8S/2161B
H8S/2160B
RAM Capacitance
4 kbytes
4 kbytes
4 kbytes
4 kbytes
8 kbytes
4 kbytes
4 kbytes
4 kbytes
RAM Address
H′E080–H′EFFF, H′FF00–H′FF7F
H′E080–H′EFFF, H′FF00–H′FF7F
H′E080–H′EFFF, H′FF00–H′FF7F
H′E080–H′EFFF, H′FF00–H′FF7F
H′D080–H′EFFF, H′FF00–H′FF7F
H′E080–H′EFFF, H′FF00–H′FF7F
H′E080–H′EFFF, H′FF00–H′FF7F
H′E080–H′EFFF, H′FF00–H′FF7F
Rev. 2.0, 08/02, page 575 of 788