D12320VF25V Datasheet, PDF (664/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
• Programmer mode
Flash memory can be programmed/erased in programmer mode, using a PROM programmer,
as well as in on-board programming mode.
17.13.2 Overview
Block Diagram
Internal address bus
Internal data bus (16 bits)
FLMCR1
FLMCR2
EBR1
EBR2
RAMER
SYSCR2
Bus interface/controller
Flash memory
(512 kbytes)
Operating
mode
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
SYSCR2: System control register 2
Figure 17.33 Block Diagram of Flash Memory
Rev.7.00 Feb. 14, 2007 page 630 of 1108
REJ09B0089-0700