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參數(shù)資料
| 型號： | MR80C52CXXX-12:D |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44 |
| 文件頁數(shù)： | 232/586頁 |
| 文件大?。?/td> | 25028K |
307
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 27-3. Programming the flash waveforms
(1).
Note:
1. “XX” is don’t care. The letters refer to the programming description above.
27.7.5
Programming the EEPROM
The EEPROM is organized in pages, see Table 27-8 on page 302. When programming the
EEPROM, the program data is latched into a page buffer. This allows one page of data to be
programmed simultaneously. The programming algorithm for the EEPROM data memory is as
follows (refer to ”Programming the Flash” on page 305 for details on Command, Address and
Data loading):
1.
A: Load Command “0001 0001”.
2.
G: Load Address High Byte (0x00 - 0xFF).
3.
B: Load Address Low Byte (0x00 - 0xFF).
4.
C: Load Data (0x00 - 0xFF).
5.
E: Latch data (give PAGEL a positive pulse).
K: Repeat 3 through 5 until the entire buffer is filled.
L: Program EEPROM page.
1.
Set BS2, BS1 to “00”.
2.
Give WR a negative pulse. This starts programming of the EEPROM page. RDY/BSY
goes low.
3.
Wait until to RDY/BSY goes high before programming the next page (See Figure 27-4 on
page 308 for signal waveforms).
RDY/BSY
WR
OE
RESET +12V
PAGEL
BS2
0x10
ADDR. LOW
ADDR. HIGH
DATA
DATA LOW
DATA HIGH
ADDR. LOW
DATA LOW
DATA HIGH
XA1
XA0
BS1
XTAL1
XX
AB
CD
E
B
C
D
E
G
F
ADDR. EXT.H
H
I
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| MR80C52CXXX-30/883:D | 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44 |
| MR80C52CXXX-30:RD | 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44 |
| MR80C52EXXX-16SHXXX:D | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQCC44 |
| MR80C52TXXX-12SHXXX:D | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44 |
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| MR80C86 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor |
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| MR80C86-2 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor |
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| MR80C86-2/B | 制造商:Intersil Corporation 功能描述:MPU 80C86 16BIT CMOS 8MHZ 44PLCC - Rail/Tube |
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