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Chapter 3 system specifications, Page 3-9 – Oki JOB60851 User Manual

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Chapter 3 System Specifications

page 3-9

(2) Flash execution mode

This mode maps the code memory to the Flash memory and the data memory to work RAM. It
executes the program in Flash memory. Cutting the power does not erase the program, which
starts automatically when the power is next applied.

Figure 3.2.5. Memory Map for Flash Execution Mode

1:0000h

0:0200h

0:1200h

0:0000h

SFR/XSFR

Int._RAM

0:8000h

0:3000h

0:2000h

Ext._SRAM(A)or(B)

ML60851A

1:0200h

1:1200h

1:8000h

1:3000h

1:2000h

1:FFFFh

Data Memory

0:0000h

Program Memory

SFR/XSFR

Int._RAM

ML60851A

Loader Mode2 memory map

( Load_Sel/ = L ) ( EA/ = H )

Int._FlashROM

(Loader Program)

1:0000h

0:0000h

0:8000h

1:8000h

1:FFFFh

Ext._SRAM

0:0000h

Ext._EPROM

0:7FFFh

(A)

(B)

(C)

(D)

(E)

Ext._SRAM(A)or(B)

Ext._SRAM(A)or(B)

Ext._SRAM(C)or(D)

Ext._SRAM(C)or(D)

Ext._SRAM(C)or(D)

1:0000h

1:FFFFh

Int._FlashROM

(Only M66Q577)