HD64F2638F20J Datasheet, PDF (798/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 21A ROM
(H8S/2636 Group)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, 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.
21A.4.2 Block Diagram
Internal address bus
Internal data bus (16 bits)
FLMCR1
FLMCR2
EBR1
EBR2
RAMER
FLPWCR
Bus interface/controller
Flash memory
(128 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 21A-2 Block Diagram of Flash Memory
Page 748 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010