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7480 Datasheet(PDF) 12 Page - Renesas Technology Corp

Part # 7480
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  98 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7480 Datasheet(HTML) 12 Page - Renesas Technology Corp

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11
MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
Memory
• SFR Area
This SFR area is provided in the zero page and contains the reg-
isters for controlling I/O ports and timers.
• RAM
RAM is used for data storage and for calling subroutines, as well
as for a stack area for interrupts.
• ROM
ROM is used for storing user programs and interrupt vectors.
Fig. 8 Memory map
• Interrupt Vector Area
The interrupt vector area is used for storing vector addresses
when an interrupt is generated or at reset.
• Zero Page
This area can be accessed with 2 words when the zero page ad-
dressing mode is used.
• Special Page
This area can be accessed with 2 words when the special page
addressing mode is used.
SFR area
Not used
Interrupt vector area
000016
007F16
008016
00BF16
00C016
00FF16
010016
013F16
01FF16
C00016
E00016
F00016
FF0016
FFE416
FFFF16
Zero
page
Special
page
RAM (192 bytes) for
M37480M4,
M37480M8/E8,
M37481M4,
M37481M8/E8
RAM (128 bytes) for
M37480M2,
M37481M2
RAM (256 bytes) for
M37480M8/E8,
M37481M8/E8
RAM (64 bytes) for
M37480M4,
M37481M4
ROM (16384 bytes) for
M37480M8/E8,
M37481M8/E8
ROM (8192 bytes) for
M37480M4,
M37481M4
ROM (4096 bytes) for
M37480M2,
M37481M2



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