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H838024 Datasheet(PDF) 233 Page - Renesas Technology Corp

Part # H838024
Description  Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series
PDF  697 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838024 Datasheet(HTML) 233 Page - Renesas Technology Corp

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Section 7 RAM
Rev. 7.00 Mar 10, 2005 page 191 of 652
REJ09B0042-0700
Section 7 RAM
7.1
Overview
The H8/38024, H8/38023, H8/38022, H8/38124, H8/38123, H8/38122, H8/38024S, H8/38023S,
and H8/38022S have 1 Kbyte of high-speed static RAM on-chip, and the H8/38021, H8/38020,
H8/38121, H8/38120, H8/38021S, and H8/38020S have 512 bytes. The RAM is connected to the
CPU by a 16-bit data bus, allowing high-speed 2-state access for both byte data and word data.
7.1.1
Block Diagram
Figure 7.1 shows a block diagram of the on-chip RAM.
H'FF7E
H'FF7F
Internal data bus (upper 8 bits)
Internal data bus (lower 8 bits)
Even-numbered
address
Odd-numbered
address
H'FF7E
H'FB82
H'FB80
H'FB80
H'FB82
H'FB81
H'FB83
On-chip RAM
Figure 7.1 RAM Block Diagram (H8/38024)



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