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參數(shù)資料
| 型號： | 935270331118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | 3 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20 |
| 封裝： | 7.50 MM, PLASTIC, MS-013, SOT-163-1, SO-20 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 110K |
| 代理商： | 935270331118 |
Philips Semiconductors
Product data
PCA9560
Dual 5-bit multiplexed 1-bit latched I2C EEPROM
2002 May 24
9
Bus Transactions
Data is transmitted to the PCA9560 registers using Write Byte transfers (see Figures 7 and 8). Data is read from the PCA9560 registers using
Read and Receive Byte transfers (see Figure 9).
D5
D4
D3
D2 D1
X
0
1
A1
A0
1
0
S0
A
R/W
D0
slave address
EEPROM byte 0 data
SW00956
00
0
P
stop condition
control register
write on EEPROM byte 0
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
start condition
Figure 7. WRITE on 1 EEPROM — assuming WP = 0
D4
D3 D2
D1 D0
D5
D4
D3 D2
D1 D0
X
D5
0
1
A1
A0
1
0
S0
A
X
R/W
P
X
SW00957
A
slave address
stop condition
start condition
0
00
XA
acknowledge
from slave
acknowledge
from slave
control register write on
EEPROM byte 0
EEPROM byte 0 data
EEPROM byte 1 data
Figure 8. WRITE on 2 EEPROMs — assuming WP = 0
SW00958
slave address
no acknowledge
from master
4
3
2
1
0
1
A1 A0
1
0
1
A1 A0
1
0
S0
A
0
R/W
P
S
A
slave address
stop condition
start condition
111
1
11
1
0
NA
acknowledge
from master
control register read
MUX_IN values
data from MUX_IN
acknowledge
from master
acknowledge
from master
1
R/W
restart
Figure 9. READ MUX_IN register
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