upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 119
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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CPU System Functions
Table 3-11
3.5.1 Memory areas
3.5 Memory
(1)
In the following sections, the memory of the CPU is introduced. Specific
memory areas are described and a recommendation for the usage of the
address space is given.
The internal memory of the CPU provides several areas:
• Internal VFB flash area for flash memory devices
• Internal VFB ROM area for ROM mask devices
• Internal VDB RAM area
• Internal VSB flash area
• Internal VSB RAM area
• Internal fixed peripheral I/O area
• Programmable peripheral I/O area
• External memory area
The areas are briefly described below.
Internal VFB flash area
Table 3-11 summarizes the size and addresses of the ROM and flash
memories, which are accessible via the VFB (V850 Fetch Bus).
VFB ROM and flash memory
Preliminary User’s Manual U17566EE1V2UM00
Device
µPD703420
µPD70F3420
µPD703421
µPD70F3421
µPD703422
µPD70F3422
µPD70F3423
µPD70F3424
µPD70F3425
µPD70F3426
µPD70F3427
ROM
128 KB
–
256 KB
–
384 KB
–
–
–
–
–
–
Flash
–
128 KB
–
256 KB
–
384 KB
512 KB
512 KB
1 MB
1 MB
1 MB
Address range
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
H
H
H
H
H
H
H
H
H
H
H
to 0001 FFFF
to 0001 FFFF
to 0003 FFFF
to 0003 FFFF
to 0005 FFFF
to 0005 FFFF
to 0007 FFFF
to 0007 FFFF
to 000F FFFF
to 000F FFFF
to 000F FFFF
Chapter 3
H
H
H
H
H
H
H
H
H
H
H
119
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