H8S-2639 Datasheet, PDF (928/1547 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer

Section 21C ROM (H8S/2635 Group)
• Programmer mode
Flash memory can be programmed/erased in programmer mode, using a PROM programmer,
as well as in on-board programming mode.
21C.4.2 Block Diagram
Internal address bus
Internal data bus (16 bits)
FLMCR1
FLMCR2
EBR1
EBR2
RAMER
FLPWCR
Bus interface/controller
Flash memory
(192 kbytes)
Operating
mode
FWE pin
Mode pin
Legend:
FLMCR1: Flash memory control register 1
FLMCR2: Flash memory control register 2
EBR1: Erase block register 1
EBR2: Erase block register 2
RAMER: RAM emulation register
FLPWCR: Flash memory power control register
Figure 21C-2 Block Diagram of Flash Memory
Rev. 6.00 Feb 22, 2005 page 868 of 1484
REJ09B0103-0600