HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 489
HD6417034B
Manufacturer Part Number
HD6417034B
Description
32-Bit RISC Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417034B.pdf
(687 pages)
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Section 18 RAM
Section 18 RAM
18.1
Overview
The SH7032 microcomputer has 8-kbytes of on-chip RAM; the SH7034 has 4 kbytes. The on-chip
RAM is linked to the CPU and direct memory access controller (DMAC) with a 32-bit data bus
(figure 18.1). The CPU can access data in the on-chip RAM in byte, word, or longword units. The
DMAC can access byte or word data. On-chip RAM data can always be accessed in one state,
making the RAM ideal for use as a program area, stack area, or data area, which require high-
speed access. The contents of the on-chip RAM are held in both the sleep and standby modes.
Memory area 7 addresses H'FFFE000 to H'FFFFFFF are allocated to the on-chip RAM in the
SH7032. In the SH7034, addresses H'FFFF000 to H'FFFFFFF are allocated.
Rev. 7.00 Jan 31, 2006 page 463 of 658
REJ09B0272-0700
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