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7477 датащи(PDF) 11 Page - Renesas Technology Corp

номер детали 7477
подробное описание детали  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  48 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7477 датащи(HTML) 11 Page - Renesas Technology Corp

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10
MITSUBISHI MICROCOMPUTERS
7477/ 7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MEMORY
• Special Function Register (SFR) Area
The special function register (SFR) area contains the registers
relating to functions such as I/O ports and timers.
• RAM
RAM is used for data storage as well as a stack area.
• ROM
ROM is used for storing user programs as well as the interrupt
vector area.
Fig. 2 Memory map
• Interrupt Vector Area
The interrupt vector area is for storing jump destination ad-
dresses used at reset or when an interrupt is generated.
• Zero Page
Zero page addressing mode is useful because it enables access
to this area with fewer instruction cycles.
• Special Page
Special page addressing mode is useful because it enables ac-
cess to this area with fewer instruction cycles.
RAM (192 bytes)
for
M37477M8/E8
M37478M8/E8
SFR area
Not used
Interrupt vector area
000016
007F16
00BF16
00FF16
010016
01BF16
C00016
E00016
F00016
FF0016
FFE816
FFFF16
Zero
page
Special
page
RAM (128 bytes)
for
M37477M2T
M37478M2T
ROM (16384 bytes)
for
M37477M8/E8
M37478M8/E8
ROM (8192 bytes)
for
M37477M4
M37478M4
ROM (4096 bytes)
for
M37477M2T
M37478M2T
RAM (192 bytes)
for
M37477M4
M37477M8/E8
M37478M4
M37478M8/E8



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