參數(shù)資料
型號： PCA9554AN
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-bit I2C and SMBus I/O port with interrupt
中文描述： 8 I/O, PIA-GENERAL PURPOSE, PDIP16
封裝： 0.300 INCH, PLASTIC, MO-001, SOT-38-1, DIP-16
文件頁數(shù)： 8/20頁
文件大?。?/td> 183K
代理商： PCA9554AN
Philips Semiconductors
Product data sheet
PCA9554/PCA9554A
8-bit I
2
C and SMBus I/O port with interrupt
2004 Sep 30
8
0
0
A2
A1 A0
0
1
0
0
A2
A1
A0
0
1
S
0
A
A
A
COMMAND BYTE
acknowledge
from slave
R/W
acknowledge
from slave
A
P
NA
acknowledge
from slave
acknowledge
from master
S
DATA
DATA
R/W
first byte
at this moment master-transmitter
becomes master-receiver and
slave-receiver becomes
slave-transmitter
last byte
su01424
no acknowledge
from master
1
slave address
data from register
data from register
slave address
Figure 9. READ from register
0
1
0
0
A2
A1
A0
READ FROM
PORT
DATA INTO
PORT
SDA
S
1
A
A
DATA 1
DATA 4
slave address
data from port
data from port
start condition
R/W
acknowledge
from slave
acknowledge
from master
stop
condition
t
ps
DATA 4
DATA 2
P
DATA 3
t
ph
su01465
no acknowledge
from master
NA
INT
t
ir
t
iv
1
2
SCL
3
4
5
6
7
8
9
NOTES:
1. This figure assumes the command byte has previously been programmed with 00h.
2. Transfer of data can be stopped at any moment by a stop condition.
Figure 10. READ input port register
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9554AN,112 功能描述:I2C 接口集成電路 8-BIT I2C FM TP GPIO RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16
PCA9554APW 功能描述:接口-I/O擴(kuò)展器 PCA9554ARem 8B I2C & SMBus I/O Expander 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
PCA9554APW,112 功能描述:接口-I/O擴(kuò)展器 I2C I/O EXPANDER GP 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
PCA9554APW,118 功能描述:I2C 接口集成電路 8-BIT I2C FM TP GPIO INT PU RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16
PCA9554APW/G,118 制造商:NXP Semiconductors 功能描述:Tape & Reel
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