Section 6 ROM
Rev. 6.00 Aug 04, 2006 page 168 of 680
REJ09B0145-0600
6.5.2
Block Diagram
Internal address bus
Module bus
Internal data bus (16 bits)
FLMCR1
Bus interface/controller
Operating
mode
TES pin
P24 pin
P26 pin
Legend:
FLMCR1: Flash memory control register 1
FLMCR2: Flash memory control register 2
EBR:
Erase block register
FLPWCR: Flash memory power control register
FENR:
Flash memory enable register
FLMCR2
EBR
FLPWCR
FENR
Flash memory
Figure 6.7 Block Diagram of Flash Memory
6.5.3
Block Configuration
Figure 6.8 shows the block configuration of flash memory. The thick lines indicate erasing units,
the narrow lines indicate programming units, and the values are addresses. The flash memory is
divided into 1 Kbyte
×
4 blocks, 28 Kbytes
×
1 block, 16 Kbytes
×
1 block, 8 Kbytes
×
1 block
and 4 Kbytes
×
1 block. Erasing is performed in these units. Programming is performed in 128-
byte units starting from an address with lower eight bits H'00 or H'80.
Summary of Contents for H8/38342
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Page 76: ...Section 1 Overview Rev 6 00 Aug 04 2006 page 38 of 680 REJ09B0145 0600...
Page 240: ...Section 7 RAM Rev 6 00 Aug 04 2006 page 202 of 680 REJ09B0145 0600...
Page 468: ...Section 12 A D Converter Rev 6 00 Aug 04 2006 page 430 of 680 REJ09B0145 0600...
Page 580: ...Section 15 Electrical Characteristics Rev 6 00 Aug 04 2006 page 542 of 680 REJ09B0145 0600...