參數(shù)資料
型號(hào)： M37212EF-XXXFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80
封裝： 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁(yè)數(shù)： 66/67頁(yè)
文件大小： 4380K
代理商： M37212EF-XXXFP
MITSUBISHI MICROCOMPUTERS
M37212M4-XXXSP, M37212M6-XXXSP/FP
M37212EF-XXXSP/FP, M37212EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
8
MEMORY
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.
RAM
RAM is used for data storage and for stack area of subroutine calls
and interrupts.
ROM
ROM is used for storing user programs as well as the interrupt vector
area.
RAM for Display
RAM for display is used for specifying the character codes and col-
ors to display.
ROM for Display
ROM for display is used for storing character data.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
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.
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.
000016
00C016
00FF16
017F16
06B716
A00016
SFR area
Not used
FFFF16
FFDE16
FF0016
060016
Interrupt vector area
Not used
1000016
11FFF16
1FFFF16
Zero page
ROM
for
display
(8 K bytes)
Special page
ROM
(16 K bytes)
for
M37212M4
RAM
for display (Note)
(96 bytes)
RAM
(320 bytes)
for
M37212M4
01BF16
RAM
(384 bytes)
for
M37212M6
C00016
ROM
(24 K bytes)
for
M37212M6
Note: Refer to Table 11. Contents of CRT display RAM.
01FF16
RAM
(1216 bytes)
for
M37212EF
080016
ROM
(62 K bytes)
for
M37212EF
030016
05FF16
Fig. 2. Memory map
相關(guān)PDF資料
PDF描述
M37212EF-XXXSP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP52
M37221M6-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
M37224M3-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
M37270MF-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64
M37273MFH-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37212M4 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37212M4-054SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37212M4-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37212M6-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37212M6-XXXSP 制造商:RENESAS 制造商全稱: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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