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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U12697EJ3V0UM
3.4.1 Internal RAM area
The
µ
PD784225 has an on-chip general-purpose static RAM.
This area has the following configuration.
Peripheral RAM (PRAM)
Internal RAM area
Internal high-speed RAM (IRAM)
Table 3-2. Internal RAM Area List
Internal RAM
Internal RAM Area
Product Name
Peripheral RAM: PRAM
Internal High-Speed RAM: IRAM
µ
PD784224
3,584 bytes
3,072 bytes
512 bytes
(0F100H to 0FEFFH)
(0F100H to 0FCFFH)
(0FD00H to 0FEFFH)
µ
PD784225
4,352 bytes
3,840 bytes
µ
PD78F4225
(0EE00H to 0FEFFH)
(0EE00H to 0FCFFH)
Remark
The addresses in the table are the values when the LOCATION 0H instruction is executed. When
the LOCATION 0FH instruction is executed, 0F0000H is added to the above values.