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參數(shù)資料
| 型號： | AT24C02B_0701 |
| 廠商： | Atmel Corp. |
| 英文描述： | Two-wire Automotive Temperature Serial EEPROM |
| 中文描述： | 兩線串行EEPROM汽車溫度 |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 511K |
| 代理商： | AT24C02B_0701 |
10
AT24C02B [Preliminary]
5181B–SEEPR–1/07
Once the device address with the read/write select bit set to “1” is clocked in and acknowl-
edged by the EEPROM, the current address data word is serially clocked out. The
microcontroller does not respond with an input “0” but does generate a following stop condition
(see Figure 11 on page 11).
RANDOM READ:
A random read requires a “dummy” byte write sequence to load in the data
word address. Once the device address word and data word address are clocked in and
acknowledged by the EEPROM, the microcontroller must generate another start condition.
The microcontroller now initiates a current address read by sending a device address with the
read/write select bit high. The EEPROM acknowledges the device address and serially clocks
out the data word. The microcontroller does not respond with a “0” but does generate a follow-
ing stop condition (see Figure 12 on page 12).
SEQUENTIAL READ:
Sequential reads are initiated by either a current address read or a ran-
dom address read. After the microcontroller receives a data word, it responds with an
acknowledge. As long as the EEPROM receives an acknowledge, it will continue to increment
the data word address and serially clock out sequential data words. When the memory
address limit is reached, the data word address will “roll over” and the sequential read will con-
tinue. The sequential read operation is terminated when the microcontroller does not respond
with a “0” but does generate a following stop condition (see Figure 13 on page 12).
Figure 8.
Device Address
Figure 9.
Byte Write
MSB
相關PDF資料 |
PDF描述 |
|---|---|
| AT24C02B_07 | Two-wire Serial EEPROM |
| AT24C02B | Non-Insulated Block Fork |
| AT24C02B-10PU-1.8 | Two-wire Serial EEPROM |
| AT24C02B-10TSU-1.8 | Two-wire Serial EEPROM |
| AT24C02B-10TU-1.8 | Two-wire Serial EEPROM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT24C02B-10PU-1.8 | 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-bit 256 x 8 2.5V/3.3V/5V 8-Pin PDIP 制造商:Atmel Corporation 功能描述:256 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8 |
| AT24C02B10SU18 | 制造商:Atmel Corporation 功能描述: |
| AT24C02B-10TSU-1.8 | 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-Bit 256 x 8 2.5V/3.3V/5V 5-Pin SOT-23 |
| AT24C02B-10TU 1.8 SL383 | 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-bit 256 x 8 2.5V/3.3V/5V 8-Pin TSSOP T/R |
| AT24C02B-10TU-1.8 | 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 2K-bit 256 x 8 2.5V/3.3V/5V 8-Pin TSSOP |
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