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参数资料
| 型号： | GP24BC04 |
| 厂商： | GTM CORPORATION |
| 元件分类： | EEPROM |
| 英文描述： | 2-WIRE SERIAL EEPROM |
| 中文描述： | 2线串行EEPROM的 |
| 文件页数： | 8/9页 |
| 文件大小： | 286K |
| 代理商： | GP24BC04 |
GP24BC01/02/02/04/08/16
Page: 8/9
ISSUED DATE :2006/08/17
REVISED DATE :
Current Address Read: A current address read operation is initiated by issuing R/W=1 in the device address
word (refer to Figure 11). Since the internal address counter maintains the last address incremented by one
accessed during the last read or write operation, the internal address counter will always retain the last
address incremented by one.
Random Read: To access a different address location that the one currently stored in the internal counter, a
random read operation is provided. The random read is actually a combination of a “dummy” byte write
sequence with a current address read command (refer to Figure 12). The “dummy” byte write loads a different
address into the internal counter, and the data can then be accessed using the current address read.
Sequential Read: In order to access subsequent data word after a current address read or random read has
been initiated, the user should send an acknowledgment to the EEPROM chip after each data byte received. If
an acknowledgment is not received, then the chip will not send any more data and expect a STOP condition on
the next cycle to reset back to standby more (refer to Figure 13).
Sequential reads can be used to perform an entire chip read. Unlike the page write operation, the internal
counter will increment to the next row after the last byte of the page has been reached. When the address
reaches the last byte of the last memory page, the next address will increment to the 1st byte of the 1st memory
page.
Once the memory address limit is reached, the data word address will “roll over” and the sequential read will
continue. When the microcontroller does not respond with a zero but does generate a following stop condition,
the sequential read operations is terminated.
Figure 11. Current Address Read
Figure 12. Random Read
(
* = DON’T CARE bit for 1K)
Figure 13. Sequential Read
*
相关PDF资料 |
PDF描述 |
|---|---|
| GP24BC08 | 2-WIRE SERIAL EEPROM |
| GP24BC16 | 2-WIRE SERIAL EEPROM |
| GP30A | SINTERED GLASS PASSIVATED JUNCTION RECTIFIER |
| GP30A | GLASS PASSIVATED JUNCTION PLASTIC RECTIFIER |
| GP30B | SINTERED GLASS PASSIVATED JUNCTION RECTIFIER |
相关代理商/技术参数 |
参数描述 |
|---|---|
| GP24BC08 | 制造商:GTM 制造商全称:GTM 功能描述:2-WIRE SERIAL EEPROM |
| GP24BC16 | 制造商:GTM 制造商全称:GTM 功能描述:2-WIRE SERIAL EEPROM |
| GP24G | 制造商:Gold Peak Industries 功能描述:AAA 1.5V |
| GP24G-40 | 制造商:GP BATTERIES 功能描述:BATTERY ZINC CHLORIDE AAA PK40 制造商:GP BATTERIES 功能描述:BATTERY, ZINC CHLORIDE, AAA, PK40 制造商:GP BATTERIES 功能描述:BATTERY, ZINC CHLORIDE, AAA, PK40; Battery Size Code:AAA; Battery Voltage:1.5V; Battery Technology:Zinc Chloride; Battery Terminals:Flat Top; External Diameter:10.5mm; External Height:44.5mm; Weight:9g; Battery IEC Code:R03; Battery ;RoHS Compliant: NA |
| GP24G-U4 | 制造商:GP BATTERIES 功能描述:BATTERY ZINC CHLORIDE AAA PK4 制造商:GP BATTERIES 功能描述:BATTERY, ZINC CHLORIDE, AAA, PK4 制造商:GP BATTERIES 功能描述:BATTERY, ZINC CHLORIDE, AAA, PK4; Battery Size Code:AAA; Battery Voltage:1.5V; Battery Technology:Zinc Chloride; Battery Terminals:Raised Positive and Negative; External Diameter:10.5mm; External Height:44.5mm; Weight:9g; Battery IEC;RoHS Compliant: NA |
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