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参数资料
| 型号： | M37221EAFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDSO42 |
| 封装： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42 |
| 文件页数： | 18/112页 |
| 文件大小： | 1207K |
| 代理商： | M37221EAFP |
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13
Rev. 1.0
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4H/M6H/M8H/MAH–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
8.2 MEMORY
8.2.1 Special Function Register (SFR) Area
The special function register (SFR) area in the zero page includes
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
ROM is used for storing user programs as well as the interrupt vector
area.
8.2.4 OSD RAM
RAM used for specifying the character codes and colors for display.
8.2.5 OSD ROM
ROM used for storing character data for display.
8.2.6 Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
8.2.7 Zero Page
The zero page addressing mode can be used to specify memory and
register addresses in the zero page area. Access to this area is pos-
sible with only 2 bytes in the zero page addressing mode.
8.2.8 Special Page
The special page addressing mode can be used to specify memory
addresses in the special page area. Access to this area is possible
with only 2 bytes in the special page addressing mode.
8.2.9 ROM Correction Memory (RAM)
This is used as the program area for ROM correction.
Fig. 8.2.1 Memory Map (M37221M4H/M6H-XXXSP/FP)
000016
00C016
00FF16
01BF16
06B716
A00016
SFR area
Not used
FFFF16
FFDE16
FF0016
060016
Interrupt vector area
Not used
1000016
11FFF16
1FFFF16
OSD ROM
(8K bytes)
Special page
OSD RAM
(96 bytes)
(See note)
Zero page
Note: Refer to Table 8.11.4 OSD RAM.
s M37221M4 H/M6H -XXXSP/FP
C00016
017F16
M37221M6H-
XXXSP/FP
RAM
(448 bytes)
ROM
(16K bytes)
ROM
(24K bytes)
M37221M6H-
XXXSP/FP
M37221M4H-
XXXSP/FP
02FF16
02C016
02E016
ROM correction function
Vector 1: address 02C016
Vector 2: address 02E016
M37221M4H-
XXXSP/FP
RAM
(384 bytes)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37221EASP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221EF | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221EFSP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221M4H | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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