參數(shù)資料
型號： PCA9537
廠商： NXP Semiconductors N.V.
英文描述： 4-bit I2C and SMBus low power I/O port with interrupt and reset
中文描述： 4位I2C和SMBus低功率的I / O端口中斷和復(fù)位
文件頁數(shù)： 6/17頁
文件大?。?/td> 163K
代理商： PCA9537
Philips Semiconductors
4-bit I
2
C and SMBus low power I/O port
with interrupt and reset
Product data sheet
PCA9537
2004 Nov 29
6
Device address
1
0
0
1
0
0
1
SLAVE ADDRESS
FIXED
R/W
SW02184
Figure 4. PCA9537 address
Bus transactions
Data is transmitted to the PCA9537 registers using the write mode as shown in Figures 5 and 6. Data is read from the PCA9537 registers using
the read mode as shown in Figures 7 and 8. These devices do not implement an auto-increment function so once a command byte has been
sent, the register which was addressed will continue to be accessed by reads until a new command byte has been sent.
1
2
SCL
WRITE TO
PORT
DATA OUT
FROM PORT
3
4
5
6
7
8
SDA
S
0
A
A
A
1
0
0
1
0
0
1
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
SW02185
9
1
0
0
0
0
0
0
0
command byte
P
Figure 5. WRITE to output port register
1
2
SCL
3
4
5
6
7
8
SDA
S
0
A
A
A
1
0
0
1
0
0
1
DATA
slave address
data to register
start condition
R/W
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
SW02186
9
0
0
0
0
0
0
1
command byte
1/0
DATA TO
REGISTER
P
Figure 6. WRITE to configuration or polarity inversion registers
Expanded diagram found on page 13, Figure 16.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9537DP 制造商:NXP Semiconductors 功能描述:IC IO PORT I2C/SMBUS 4BIT 1 制造商:NXP Semiconductors 功能描述:IC, IO PORT, I2C/SMBUS 4BIT, 10TSSOP 制造商:NXP Semiconductors 功能描述:IC, IO PORT, I2C/SMBUS 4BIT, 10TSSOP; Chip Configuration:4bit; Bus Frequency:400kHz; Interface Type:I2C, SMBus; Supply Voltage Min:2.3V; Supply Voltage Max:5.5V; Digital IC Case Style:TSSOP; No. of Pins:10; No. of I/O's:4; MSL:MSL 1 ;RoHS Compliant: Yes
PCA9537DP,118 功能描述:接口-I/O擴(kuò)展器 I2C/SMBUS 4BIT GPIO 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(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9537DP.118 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C-bus and SMBus low power I/O port with interrupt and reset
PCA9537DP118 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述:
PCA9538 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit I2C and SMBus low power I/O port with interrupt and reset
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