參數(shù)資料
型號: PCA9538PW,118
廠商: NXP Semiconductors
文件頁數(shù): 3/34頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16TSSOP
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 1
接口: I²C,SM 總線
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
產(chǎn)品目錄頁面: 825 (CN2011-ZH PDF)
配用: 568-3615-ND - DEMO BOARD I2C
其它名稱: 568-1840-6
PCA9538
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 6 — 6 February 2013
11 of 34
NXP Semiconductors
PCA9538
8-bit I2C-bus and SMBus low power I/O port with interrupt and reset
Fig 9.
Read from register
A
S
START condition
R/W
acknowledge
from slave
002aae710
A
acknowledge
from slave
SDA
A
P
acknowledge
from master
DATA (first byte)
slave address
STOP
condition
S
(repeated)
START condition
(cont.)
1100
A1 A0
1
A
1
R/W
acknowledge
from slave
slave address
at this moment master-transmitter becomes master-receiver
and slave-receiver becomes slave-transmitter
NA
no acknowledge
from master
COMMAND BYTE
1100
A1 A0
1
0
data from register
DATA (last byte)
data from register
This figure assumes the command byte has previously been programmed with 00h.
Transfer of data can be stopped at any moment by a STOP condition.
Expanded diagram is shown in Figure 17.
Fig 10. Read input port register
1100
A1 A0
1
A
S1
slave address
START condition
R/W
acknowledge
from slave
002aae711
data from port
A
acknowledge
from master
SDA
NA
no acknowledge
from master
read from
port
data into
port
data from port
DATA 1
DATA 4
INT
DATA 4
DATA 2
DATA 3
P
STOP
condition
tv(INT)
trst(INT)
th(D)
tsu(D)
12345678
SCL
9
DATA 1
相關(guān)PDF資料
PDF描述
XJ8A-0211 CONNECTOR
XJ8A-0241 CONN SOCKET JUMPER 2POS
M22-1920046 CONN JUMPER SHORTING TIN RED
S1621-06R JUMPER TIN SMD
MC9S12XDP512CAL IC MCU 512K FLASH 112-LQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9538PWG4 功能描述:接口-I/O擴(kuò)展器 Rem 8B I2C & SMBus Lo-Pwr 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
PCA9538PWR 功能描述:接口-I/O擴(kuò)展器 Rem 8B I2C & SMBus Lo-Pwr 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
PCA9538PWR 制造商:Texas Instruments 功能描述:IC I/O EXPANDER 8BIT 400KHZ TSSOP-16
PCA9538PWRG4 功能描述:接口-I/O擴(kuò)展器 Rem 8B I2C & SMBus Lo-Pwr 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
PCA9538RGTR 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS