AT24C01ASC-09AT データシートの表示（PDF） - Atmel Corporation

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AT24C01ASC-09AT

2-wire Serial EEPROM Smart Card Modules 1K (128 x 8),2K (256 x 8),4K (512 x 8),8K (1024 x 8),16K (2048 x 8)

Atmel Corporation 

SEQUENTIAL READ: Sequential reads are initiated by

either a current address read or a random 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 “rollover” and the sequential read will continue.

The sequential read operation is terminated when the

microcontroller does not respond with a zero (NO ACK) but

does generate a following stop condition (refer to Figure 6).

Figure 1. Device Address

Figure 2. Byte Write

Note: PO, P1, P2 = Data word address bits

Figure 3. Page Write

(* = DON’T CARE bit for 1K)

8 AT24C01ASC/02SC/04SC/08SC/16SC

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