E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 747

• Manufacturer Part Number: E62655RUSB
• Description: EMULATOR BASE H8S/2655R W/USB
• Manufacturer: Renesas Electronics America
• Type: Microcontrollerr

Specifications of E62655RUSB

• Contents: E6000 Emulator Unit and 4 Logic Probes
• For Use With/related Products: H8S/2655R
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

18.1
The H8S/2655 Group has 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. 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).
18.1.1
Figure 18.1 shows a block diagram of the on-chip RAM.
Overview
Block Diagram
Figure 18.1 Block Diagram of RAM
H'FFEC00
H'FFEC02
H'FFEC04
H'FFFBFE
Section 18 RAM
Internal data bus (upper 8 bits)
Internal data bus (lower 8 bits)
H'FFEC01
H'FFEC03
H'FFEC05
H'FFFBFF
Rev. 5.00 Sep 14, 2006 page 717 of 1060
REJ09B0331-0500
Section 18 RAM