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參數(shù)資料
| 型號： | 24C02A-P |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 中文描述： | 1K/2K/4K 5.0VI 2二氧化碳串行EEPROM |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 77K |
| 代理商： | 24C02A-P |
24C01A/02A/04A
DS11183D-page 6
1996 Microchip Technology Inc.
FIGURE 6-1:
BYTE WRITE
FIGURE 6-2:
PAGE WRITE
S
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
S
T
O
P
CONTROL
BYTE
WORD
ADDRESS
DATA
A
C
K
A
C
K
A
C
K
S
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
CONTROL
BYTE
WORD
ADDRESS (n)
DATA n
DATA n + 7
S
T
O
P
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
DATA n + 1
7.0
ACKNOWLEDGE POLLING
Since the device will not acknowledge during a write
cycle, this can be used to determine when the cycle is
complete (this feature can be used to maximize bus
throughput). Once the stop condition for a write com-
mand has been issued from the master, the device ini-
tiates the internally timed write cycle. ACK polling can
be initiated immediately. This involves the master send-
ing a start condition followed by the control byte for a
write command (R/W = 0). If the device is still busy with
the write cycle, then no ACK will be returned. If the
cycle is complete, then the device will return the ACK
and the master can then proceed with the next read or
write command. See Figure 7-1 for flow diagram.
FIGURE 7-1:
ACKNOWLEDGE POLLING
FLOW
Send
Write Command
Send Stop
Condition to
Initiate Write Cycle
Send Start
Send Control Byte
with R/W = 0
Did Device
Acknowledge
(ACK = 0)
Next
Operation
NO
YES
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 24C02A-SL | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C02A-SM | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C02A-SN | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C01B-EP | 1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C01B | 1K 5.0V IIC serial EEPROMs(1K位,5.0V,IIC串行EEPROM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24C02A-SL | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C02A-SM | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C02A-SN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C02B | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C02B/SM | 制造商:Microchip Technology Inc 功能描述:256 X 8 I2C/2-WIRE SERIAL EEPROM, 3500 ns, PDSO8 |
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