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參數(shù)資料
| 型號(hào)： | PCA9555 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 16-bit I2C and SMBus I/O port with interrupt |
| 中文描述： | 16位I2C和SMBus I / O端口的中斷 |
| 文件頁(yè)數(shù)： | 10/22頁(yè) |
| 文件大?。?/td> | 185K |
| 代理商： | PCA9555 |
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P
P
P
1
2
C
2
1
2
3
4
5
6
7
8
9
S
0
1
0
0
A2
A1
A0
1
A
A
I0.x
A
I1.x
A
I0.x
1
I1.x
P
R/W
ACKNOWLEDGE
FROM SLAVE
SCL
SDA
ACKNOWLEDGE
FROM MASTER
ACKNOWLEDGE
FROM MASTER
ACKNOWLEDGE
FROM MASTER
NON ACKNOWLEDGE
FROM MASTER
READ FROM PORT 0
DATA INTO PORT 0
READ FROM PORT 1
DATA INTO PORT 1
INT
t
IR
t
IV
SU01651
t
ph
DATA 00
DATA 10
DATA 03
DATA 12
DATA 00
DATA 01
DATA 02
DATA 03
t
ps
t
ph
t
ps
DATA 10
DATA 11
DATA 12
NOTES:
Transfer of data can be stopped at any moment by a STOP condition. When this occurs, data present at the latest acknowledge phase is valid (output mode).
It is assumed that the command byte has previously been set to 00 (read input port port register).
Figure 10.
READ input port register — scenario 2
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PDF描述 |
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| PCA9556 | Octal SMBus Registered Interface(八位SM總線寄存接口) |
| PCA9556PW | Octal SMBus Registered Interface |
| PCA9557 | 8-bit I2C and SMBus I/0 port with reset |
| PCA9558 | 8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM |
| PCA9559 | 5-bit multiplexed/1-bit latched 6-bit I I C EEPROM(5位多路的/1位鎖存的6位IIC EEPROM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9555_08 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
| PCA9555_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
| PCA9555_13 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus and SMBus I/O port with interrupt |
| PCA9555A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Smart, simple solutions for the 12 most common design concerns |
| PCA9555AHF | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 16-bit I2C-bus I/O port with interrupt and weak pull-up |
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