HD6433935 Hitachi, HD6433935 Datasheet - Page 143

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

7.1
The H8/3937 Series and H8/3937R Series have 2 kbytes of high-speed static RAM on-chip. 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.
Overview
H'FF7E
H'F780
H'F782
Figure 7-1 RAM Block Diagram (H8/3935, H8/3935R)
Even-numbered
Internal data bus (upper 8 bits)
Internal data bus (lower 8 bits)
address
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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