Section 17 Rom; On-Chip Mask Rom Models]; Overview - Hitachi H8/3062 Hardware Manual

Single-chip microcomputer
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[H8/3062F-ZTAT, H8/3062F-ZTAT ROM Version,
17.1

Overview

The H8/3062F-ZTAT and H8/3062F-ZTAT R-mask version have 128 kbytes of on-chip flash
memory. The H8/3062 (mask ROM version) has 128 kbytes of on-chip mask ROM, the H8/3061
(mask ROM version) has 96 kbytes, and the H8/3060 (mask ROM version) has 64 kbytes. The
ROM is connected to the CPU by a 16-bit data bus. The CPU accesses both byte data and word
data in two states, enabling rapid data transfer.
The on-chip ROM is enabled and disabled by setting the mode pins (MD
table 17.1.
The on-chip flash memory product (H8/3062F-ZTAT and H8/3062F-ZTAT R-mask version) can
be erased and programmed on-board, as well as with a special-purpose PROM programmer.
Table 17.1 Operating Modes and ROM
Mode
Mode 1 (expanded 1-Mbyte mode with on-chip ROM
disabled)
Mode 2 (expanded 1-Mbyte mode with on-chip ROM
disabled)
Mode 3 (expanded 16-Mbyte mode with on-chip ROM
disabled)
Mode 4 (expanded 16-Mbyte mode with on-chip ROM
disabled)
Mode 5 (expanded 16-Mbyte mode with on-chip ROM
enabled)
Mode 6 (single-chip normal mode)
Mode 7 (single-chip advanced mode)

Section 17 ROM

On-Chip Mask ROM Models]

to MD
2
Mode Pins
MD
MD
MD
2
1
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
) as shown in
0
On-Chip ROM
Disabled (external
address area)
Enabled
475

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