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HD6432351 Datasheet(PDF) 705 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 705 Page - Renesas Technology Corp

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Section 17 RAM
Rev. 3.00 Sep 15, 2006 page 671 of 988
REJ09B0330-0300
Section 17 RAM
17.1
Overview
The H8S/2350 Group has 2 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).
17.1.1
Block Diagram
Figure 17.1 shows a block diagram of the on-chip RAM.
Internal data bus (upper 8 bits)
Internal data bus (lower 8 bits)
H'FFF400
H'FFF402
H'FFF404
H'FFFBFE
H'FFF401
H'FFF403
H'FFF405
H'FFFBFF
Figure 17.1 Block Diagram of RAM



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