hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 144

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

7.1
The H8/3862, H8/3863, H8/3822, and H8/3823 have 1 kbyte of high-speed static RAM on-chip,
and the H8/3864, H8/3865, H8/3866, H8/3867, H8/3824, H8/3825, H8/3826, and H8/3827 have 2
kbytes. 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
Figure 7.1 shows a block diagram of the on-chip RAM.
Overview
Block Diagram
H'FF7E
H'F780
H'F782
Figure 7.1 RAM Block Diagram (H8/3864 and H8/3824)
Even-numbered
Internal data bus (upper 8 bits)
address
Internal data bus (lower 8 bits)
H'FF7E
H'F780
H'F782
Section 7 RAM
On-chip RAM
Odd-numbered
address
H'FF7F
H'F781
H'F783
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