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參數(shù)資料
| 型號： | PCF85103C-2 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | DRAM |
| 英文描述： | 256 x 8-bit CMOS EEPROM with I2C-bus interface |
| 中文描述： | 256 × 8位CMOS EEPROM，帶有I2C總線接口 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 346K |
| 代理商： | PCF85103C-2 |
Philips Semiconductors
PCF85103C-2
256
×
8-bit CMOS EEPROM with I
2
C-bus interface
Product data
Rev. 02 — 09 May 2002
9 of 20
9397 750 09646
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
8.1.5
Read operations
Read operations are initiated in the same manner as write operations with the
exception that the LSB of the slave address is set to logic 1.
There are three basic read operations: current address read, random read, and
sequential read.
Remark:
The lower 8 bits of the word address are incremented after each
transmission of a data byte (read or write). The MSB of the word address, which is
defined in the slave address, is not changed when the word address count overflows.
Thus, the word address overflows from 255 to 0, and from 511 to 256.
Fig 7.
Master reads PCF85103C-2 slave after setting word address (write word address; read data);
sequential read.
S
0 A
SLAVE ADDRESS
WORD ADDRESS
A
A
SLAVE ADDRESS
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
R/W
acknowledge
from master
A
DATA
auto increment
word address
MBA703
P
no acknowledge
from master
1
DATA
auto increment
word address
last byte
R/W
S
1
n bytes
at this moment master
transmitter becomes
master receiver and
EEPROM slave receiver
becomes slave transmitter
Fig 8.
Master reads PCF85103C-2 immediately after first byte (read mode); current address read.
S
1 A
SLAVE ADDRESS
DATA
A
1
DATA
acknowledge
from slave
acknowledge
from master
no acknowledge
from master
R/W
auto increment
word address
MBA704 - 1
auto increment
word address
n bytes
last bytes
P
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PCF85103C-2_04 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:256 x 8-bit CMOS EEPROM with I2C-bus interface |
| PCF85103C2D | 功能描述:電可擦除可編程只讀存儲器 256X8-BIT CMOS 電可擦除可編程只讀存儲器/I2C BUS RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCF85103C2N | 功能描述:電可擦除可編程只讀存儲器 256X8-BIT CMOS 電可擦除可編程只讀存儲器/I2C BUS RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCF85103C-2P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:256 x 8-bit CMOS EEPROM with I2C-bus interface |
| PCF85103C-2P/00,11 | 功能描述:電可擦除可編程只讀存儲器 256X8-BIT CMOS RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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