參數(shù)資料
型號： PCA9556
廠商： NXP Semiconductors N.V.
英文描述： Octal SMBus Registered Interface(八位SM總線寄存接口)
中文描述： 八進制注冊的SMBus接口（八位釤總線寄存接口）
文件頁數(shù)： 6/12頁
文件大?。?/td> 111K
代理商： PCA9556
Philips Semiconductors
Product specification
PCA9556
Octal SMBus Registered Interface
1998 Dec 18
6
SMBus Address
0
0
1
1
A2
A1
A0
slave address
su01048
fixed
programmable
R/W
Figure 5. PCA9556 address
SMBus Transactions
Data is transmitted to the PCA9556 registers using Write Byte transfers (see Figures 6 and 7). Data is read from the PCA9556 registers using
Read and Receive Byte transfers (see FIgures 8 and 9).
1
2
SCL
WRITE TO
PORT
DATA OUT
FROM PORT
3
4
5
6
7
8
SDA
S
0
A
A
A
0
0
1
1
A2
A1
A0
DATA 1
slave address
data to port
start condition
R/W
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
t
pv
DATA 1 VALID
su01049
9
1
0
0
0
0
0
0
0
command byte
Figure 6. WRITE to output port register via Write Byte Protocol
1
2
SCL
3
4
5
6
7
8
SDA
S
0
A
A
A
0
0
1
1
A2
A1
A0
DATA
slave address
data to register
start condition
R/W
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
su01050
9
0
0
0
0
0
0
1
command byte
1/0
Figure 7. WRITE to I/O configuration or polarity inversion registers via Write Byte Protocol
相關(guān)PDF資料
PDF描述
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)
PCA9564 Parallel bus to I2C-bus controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9556_02 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal SMBus and I2C registered interface
PCA9556PW 制造商:NXP Semiconductors 功能描述:8-bit Octal bus,2.3-5.5V,PCA9556PW 制造商:NXP Semiconductors 功能描述:OCTAL SMBUS AND I2C REGISTERED INTERFACE
PCA9556PW,112 功能描述:接口-I/O擴展器 OCTAL SMBUS REG INTERFACE RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9556PW,118 功能描述:接口-I/O擴展器 OCTAL SMBUS REG RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9556PW,118-CUT TAPE 制造商:NXP 功能描述:PCA9556 Series Octal SMBus and I2C Registered Interface - TSSOP - 16
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