Notes On Ordering Mask Rom Version Chip - Hitachi F-ZTAT H8/3039 Series Hardware Manual

15.11

Notes on Ordering Mask ROM Version Chip

When ordering the H8/3039 Series chips with a mask ROM, note the following.
• When ordering through an EPROM, use a 128-kbyte one.
• Fill all the unused addresses with H'FF as shown in figure15-29 to make the ROM data size
128 kbytes for all H8/3039 Series chips, which incorporate different sizes of ROM. This
applies to ordering through an EPROM and through electrical data transfer.
• The flash memory versions only registers for flash memory control (FLMCR, EBR, RAMCR,
and FLMSR) are not provided in the mask ROM versions. Reading the corresponding
addresses in a mask ROM version will always return 1s, and writes to these addresses are
disabled. This must be borne in mind when switching from the flash memory versions to a
mask ROM version.
HD6433039
(ROM:128kbytes)
Address:
H'00000-H'1FFFF
H'00000
H'1FFFF
Note:
Program H'FF to all addresses in these areas.
*
490
HD6433038
(ROM:64kbytes)
Address:
H'00000-H'0FFFF
H'00000
H'0FFFF
H'10000
1
*
Not used
H'1FFFF
Figure 15-29 Mask ROM Addresses and Data
HD6433037
(ROM:32kbytes)
Address:
H'00000-H'07FFF
H'00000
H'07FFF
H'08000
1
*
Not used
H'1FFFF
HD6433036
(ROM:16kbytes)
Address:
H'00000-H'03FFF
H'00000
H'03FFF
H'04000
1
Not used *
H'1FFFF