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參數(shù)資料
| 型號(hào)： | M37281MKH-XXXSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52 |
| 封裝： | PLASTIC, SHRINK, DIP-52 |
| 文件頁(yè)數(shù)： | 24/158頁(yè) |
| 文件大小： | 1472K |
| 代理商： | M37281MKH-XXXSP |
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12
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.2 MEMORY
8.2.1 Special Function Register (SFR) Area
The special function register (SFR) area in the zero page contains
control registers such as I/O ports and timers.
8.2.2 RAM
RAM is used for data storage and for stack area of subroutine calls
and interrupts.
8.2.3 ROM
The M37281MAH-XXXSP has 40K-byte program area and
M37281MFH-XXXSP has 60K-byte program area. The M37281MKH
-XXXSP has 56K-byte program area and 24K-byte data-dedicated
area. For the M37281EKSP, the two area (60K, 24K + 56K) can be
swithed each other by setting the bank control register.
8.2.4 OSD RAM
RAM for display is used for specifying the character codes and col-
ors to display.
8.2.5 OSD ROM
ROM for display is used for storing character data.
8.2.6 Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
8.2.7 Zero Page
The 256 bytes from addresses 000016 to 00FF16 are called the zero
page area. The internal RAM and the special function registers (SFR)
are allocated to this area.
The zero page addressing mode can be used to specify memory and
register addresses in the zero page area. Access to this area with
only 2 bytes is possible in the zero page addressing mode.
8.2.8 Special Page
The 256 bytes from addresses FF0016 to FFFF16 are called the spe-
cial page area. The special page addressing mode can be used to
specify memory addresses in the special page area. Access to this
area with only 2 bytes is possible in the special page addressing
mode.
8.2.9 ROM Correction Vector
This is used as the program jump destination addresses for ROM
correction.
Fig. 8.2.1 Memory Map (M37281MKH-XXXSP, M37281EKSP)
000016
00C016
00FF16
0FFF16
FFFF16
FFDE16
FF0016
080016
1080016
1FFFF16
ROM
(60K bytes)
OSD RAM (Character)
(1536 bytes)
(Note 2)
020016
025816
100016
157FF16
1800016
1000016
SFR1 area
SFR2 area
Notes 1: Refer to Table 8.11.6 OSD RAM (SPRITE).
2: Tables 8.11.4 and 8.11.5 OSD RAM (Character).
02C016
02E016
010016
00BF16
070016
07A716
OSD RAM (SPRITE)
(120 bytes)
(Note 1)
1ACFF16
06FF16
RAM
(1536 bytes)
1B00016
1C00016
1D00016
1E00016
1F00016
200016
s M37281MKH-XXXSP, M37281EKSP
Not used
Zero page
Extra area
Interrupt vector area
Special page
ROM correction function
Vector 1: address 02C016
Vector 2: address 02E016
OSD ROM
(Character font)
(20400 bytes)
Not used
OSD ROM
(Color dot font)
(9672 bytes)
Not used
Expansion ROM
(20K bytes)
Bank 11
Bank 12
Bank 13
Bank 14
Bank 15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37281MAH-XXXSP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52 |
| M37281MFH-XXXSP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52 |
| M37410E6HFS | 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CQFP80 |
| M37410M3-XXXFP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| M37410M4-XXXFP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
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