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7220 датащи(PDF) 38 Page - Renesas Technology Corp

номер детали 7220
подробное описание детали  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  303 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7220 датащи(HTML) 38 Page - Renesas Technology Corp

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2-11
7220 Group User’s Manual
2.3 Memory assignment
FUNCTIONAL DESCRIPTION
2.3 Memory assignment
Figures 2.3.1 and 2.3.2 show the memory assignment. The ROM, RAM and I/O assigned in this memory
area are described below.
M37220M3-XXXSP/FP
Refer to “CHAPTER 4. M37220M3-XXXSP/FP.”
SFR area
Special function register
(Refer to Figures 2. 3. 3 and 2. 3. 4)
Not used
Not used
Interrupt vector area
Zero page
Special page
Internal RAM
RAM
for display
Internal ROM
Internal RAM
Decimal notation
0
255
383
1719
40960
65535
65502
65280
1536
192
49152
000016
00C016
00FF16
017F16
06B716
A00016
FFFF16
FF0016
060016
ROM
(16 K bytes)
for
M37221M4
CRT display RAM
(96 bytes)
(See note)
01BF16
RAM
(320 bytes)
for
M37221M4
C00016
ROM
(24 K bytes)
for
M37221M6
RAM
(384 bytes)
for
M37221M6
447
Not used
1000016
11FFF16
1FFFF16
Note: Refer to Table 2.11.4 Contents of CRT display RAM.
ROM
for display
65536
73727
131071
CRT display ROM
(8 K bytes)
Hexadecimal notation
010016
Fig. 2.3.1 Memory assignment of M37221M4-XXXSP and M37221M6-XXXSP/FP



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