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參數(shù)資料
| 型號： | MSM64424 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| 中文描述： | 內(nèi)置256/512-Bit EEPROM和LCD驅(qū)動器4位微控制器 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大小： | 125K |
| 代理商： | MSM64424 |
8/13
Semiconductor
MSM64422/64424
Data Memory
RAM, EEPROM and special function registers (SFRs) are assigned to the Data Memory Address
Space. These Memory are located in a different address space from program memory.
The data length of the Data Memory is 4 bits (1 nibble). The Data Memory uses two banks (256
nibbles/bank): one for the SFR and EEPROM areas using part of the bank 0 and the other for
the RAM area, containing the stack in the bank 7.
BANK7
BANK0
4 bits
4 bits
RAM area
Data/Stack area
128N
128N
Inaccessible
area
EEPROM area
SFR area
HALT
MIEF
Other SFR area
124N
07FH
07EH
07DH
07CH
000H
000H
07FH
0FFH
1FFH
2FFH
3FFH
4FFH
5FFH
6FFH
7FFH
Stack pointer
EEPROM area
128N
128N
128N
(MSM64424)
(MSM64424)
BANK0
0FFH
080H
Data/Stack area
64N
64N
(MSM64422)
EEPROM area
64N
64N
(MSM64422)
Note
: "N" means data length of 4 bits.
Data Memory Address Space
The Data Memory Address Space configuration is shown in the figure alove.
The stack area is a data save area for subroutines and interrupts from the address 7FFH toward
the lower-order addresses (64N max. for MSM64422, 128N max. for MSM64424) by subroutine
call instruction.
For the bank 0, the special function register area from the addresses from 000H to 07FH and 64
nibble EEPROM area from the addresses 080H to 0BFH for MSM64422 or 128 nibble EEPROM
area from the addresses 080H to 0FFH for MSM64424 are assigned.
相關(guān)PDF資料 |
PDF描述 |
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| MSM64424-XXXGS-K | Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64424-XXXMS-K | Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64Q424 | Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64Q424-NGS-K | Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64P164 | 4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver(機內(nèi)A/D轉(zhuǎn)換器和LCD驅(qū)動器的4位微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM64424-XXXGS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64424-XXXMS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM6442-XXGS-BK | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in LCD Driver 4-Bit Microcontroller |
| MSM6442-XXGS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in LCD Driver 4-Bit Microcontroller |
| MSM64431 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 8-Bit A/D Converter 4-Bit Microcontroller |
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