Preliminary User’s Manual U17260EJ3V1UD
89
CHAPTER 4 MEMORY BANK SELECT FUNCTION
(
µ
PD78F0536, 78F0537, AND 78F0537D ONLY)
4.1 Memory Bank
The
µ
PD78F0536, 78F0537, and 78F0537D implement a ROM capacity of 96 KB or 128 KB by selecting a
memory bank from a memory space of 8000H to BFFFH.
The
µ
PD78F0536 has memory banks 0 to 3, and the
µ
PD78F0537 and 78F0537D have memory banks 0 to 5, as
shown below.
The memory banks are selected by using a memory bank select register (BANK).
Figure 4-1. Internal ROM (Flash Memory) Configuration
(a)
µ
PD78F0536
8 0 0 0 H
7 F F F H
0 0 0 0 H
Flash memory
32768
×
8 bits
B F F F H
Flash memory
16384
×
8 bits
(memory bank 0)
(Memory bank 1)
(Memory bank 2)
Common
area
Bank
area
(Memory bank 3)
(b)
µ
PD78F0537, 78F0537D
8 0 0 0 H
7 F F F H
0 0 0 0 H
Flash memory
32768
×
8 bits
B F F F H
Flash memory
16384
×
8 bits
(memory bank 0)
(Memory bank 1)
Common
area
Bank
area
(Memory bank 3)
(Memory bank 4)
(Memory bank 5)
(Memory bank 2)
Содержание 78K/0 Series
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