Datasheet

Section 19 ROM
Rev.6.00 Sep. 27, 2007 Page 850 of 1268
REJ09B0220-0600
• PROM mode
Flash memory can be programmed/erased in PROM mode, using a PROM programmer, as
well as in on-board programming mode.
19.22.2 Overview
Block Diagram
Module bus
Bus interface/controller
Flash memory
(512 kbytes)
Operating
mode
EBR1
Internal address bus
Internal data bus (16 bits)
FWE pin
Mode pins
EBR2
SYSCR2
FLMCR2
FLMCR1
RAMER
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 19.59 Block Diagram of Flash Memory