Block Diagram - Renesas F-ZTAT H8 Series Hardware Manual

19.2.4

Block Diagram

Figure 19.1 shows a block diagram of the flash memory.
FLMCR
EBR1
EBR2
Legend
FLMCR: Flash memory control register*
EBR1: Erase block register 1*
EBR2: Erase block register 2*
Note: * The flash memory control registers (FLMCR, EBR1, and EBR2) and RAMCR are
used only by the flash memory version, and must not be accessed in the mask
ROM (ZTAT) version.
Section 19 Flash Memory (H8/3048F: Dual Power Supply (V
8
Internal data bus (upper)
8
Internal data bus (lower)
Bus interface and control section
H'00000
H'00002
H'00004
On-chip flash memory
(128 kbytes)
H'1FFFC
H'1FFFE
Upper byte
(even address)
Figure 19.1 Flash Memory Block Diagram
Operating
H'00001
H'00003
H'00005
H'1FFFD
H'1FFFF
Lower byte
(odd address)
Rev. 7.00 Sep 21, 2005 page 587 of 878
= 12 V))
PP
MD
2
MD
1
mode
MD
0
REJ09B0259-0700