參數(shù)資料
型號(hào)： PCA9575PW2,118
廠(chǎng)商： NXP Semiconductors
文件頁(yè)數(shù)： 1/38頁(yè)
文件大?。?/td> 0K
描述： IC I2C/SMBUS 16BIT GPIO 28TSSOP
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(xiàn)
輸入/輸出數(shù)： 16
中斷輸出： 是
頻率 - 時(shí)鐘： 400kHz
電源電壓： 1.1 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 28-TSSOP
包裝： 標(biāo)準(zhǔn)包裝
包括： POR
其它名稱(chēng)： 568-6647-6
1.
General description
The PCA9575 is a CMOS device that provides 16 bits of General Purpose parallel
Input/Output (GPIO) expansion in low voltage processor and handheld battery powered
mobile applications and was developed to enhance the NXP family of I2C-bus I/O
expanders. The improvements include lower supply current, lower operating voltage of
1.1 V to 3.6 V, separate supply rails to allow voltage level translation anywhere between
1.1 V and 3.6 V, 400 kHz clock frequency, and smaller packaging. Any of the 16 I/O ports
can be congured as an input or output independent of each other and default on start-up
to inputs.
I/O expanders provide a simple solution when additional I/Os are needed while keeping
interconnections to a minimum; for example in battery powered mobile applications and
clamshell devices for interfacing to sensors, push buttons, keypad, etc. In addition to
providing a exible set of GPIOs, it simplies interconnection of a processor running at
one voltage level to I/O devices operating at a different (usually higher) voltage level.
PCA9575 has built-in level shifting feature that makes these devices extremely exible in
mixed signal environments where communication between incompatible I/Os is required.
The core of PCA9575 can operate at a voltage as low as 1.1 V while each I/O bank can
operate in the range 1.1 V to 3.6 V. Bus hold with programmable on-chip pull-up or
pull-down feature for I/Os is also provided.
The output stage consists of two banks each of 8-bit conguration registers, input
registers, interrupt mask registers, output registers, bus-hold and pull-up/pull-down
registers and polarity inversion registers. These registers allow the system master to
program and congure 16 GPIOs through the I2C-bus.
The system master can enable the I/Os as either inputs or outputs by writing to the I/O
conguration register bits. The data for each input or output is kept in the corresponding
Input or Output register. The polarity of the read registers can be inverted with the Polarity
Inversion register (active HIGH or active LOW operation). Either a bus-hold function or
pull-up/pull-down feature can be selected by programming corresponding registers. The
bus-hold provides a valid logic level when the I/O bus is not actively driven. When
bus-hold feature is not selected, the I/O ports can be congured to have pull-up or
pull-down by programming the pull-up/pull-down conguration register.
An open-drain interrupt output pin (INT) allows monitoring of the input pins and is
asserted each time a change occurs on an input port unless that port is masked
(default = masked). A ‘GPIO All Call’ command allows programming multiple PCA9575s
at the same time even if they have different individual I2C-bus addresses. This allows
optimal code programming when more than one device needs to be programmed with the
same instruction or if all outputs need to be turned on or off at the same time. The internal
PCA9575
16-bit I2C-bus and SMBus, level translating, low voltage GPIO
with reset and interrupt
Rev. 03 — 9 November 2009
Product data sheet
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參數(shù)描述
PCA9600D 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 FM+ BUS BUFFER RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
PCA9600D,112 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 FM+ BUS BUFFER RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
PCA9600D,118 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 FM+ BUS BUFFER RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
PCA9600D118 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:
PCA9600DP 制造商:NXP Semiconductors 功能描述:IC BUS BUFFER BI-DIR DUAL 制造商:NXP Semiconductors 功能描述:IC, BUS BUFFER, BI-DIR, DUAL, 8TSSOP 制造商:NXP Semiconductors 功能描述:IC, BUS BUFFER, BI-DIR, DUAL, 8TSSOP; Logic Device Type:Bidirectional; Supply Voltage Min:2.5V; Supply Voltage Max:15V; Logic Case Style:TSSOP; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 1;RoHS Compliant: Yes
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