h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 635

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

21.4.2
Legend:
FLMCR1: Flash memory control register 1
FLMCR2: Flash memory control register 2
EBR1:
EBR2:
Note: * These registers are used only in the flash memory version. In the mask ROM version,
Section 21 ROM
Block Diagram
a read at any of these addresses will return an undefined value, and writes are invalid.
Erase block register 1
Erase block register 2
FLMCR1 *
FLMCR2
EBR1
EBR2
(Mask ROM Version, H8S/2138 F-ZTAT, H8S/2134 F-ZTAT, and H8S/2132 F-ZTAT)
Figure 21.2 Block Diagram of Flash Memory
Internal data bus (16 bits)
*
*
*
Internal address bus
Bus interface/controller
(128 kbytes/64 kbytes)
Flash memory
Rev. 4.00 Jun 06, 2006 page 581 of 1004
Operating
mode
REJ09B0301-0400
Mode pins