Rev. 1.0, 02/00, page 125 of 1141
7.2.2
Block Diagram
Figure 7.2 shows a block diagram of the flash memory.
Module bus
Bus interface/controller
Flash memory
(256 kbytes)
Operat-
ing
mode
FLMCR1
STCR
FLMCR1
FLMCR2
EBR1
EBR2
: Serial timer control register
: Flash memory control register 1
: Flash memory control register 2
: Erase block register 1
: Erase block register 2
[Legend]
Internal address bus
Internal data bus (16 bits)
STCR
FWE pin
Mode pin
FLMCR2
EBR1
Flash memory
(OSD ROM)
(32 kbytes)
EBR2
Figure 7.2 Block Diagram of Flash Memory (H8S/2199 Only)