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參數資料
| 型號： | XRA1404IG16-0B-EB |
| 廠商： | Exar Corporation |
| 文件頁數： | 1/14頁 |
| 文件大小： | 0K |
| 描述： | GPIO EXPANDER EVAL BOARD |
| 設計資源： | XRA140x Eval Board (8-Bit) Schematics |
| 標準包裝： | 1 |
| 主要目的： | 接口，GPIO 擴展器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | XRA1404IG16 |
| 已供物品： | 板 |
| 其它名稱： | 1016-1740 XRA1404IG16-OB-EB |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XRA1404
8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
SEPTEMBER 2011
REV. 1.0.0
GENERAL DESCRIPTION
The XRA1404 is an 8-bit GPIO expander with an SPI
interface. After power-up, the XRA1404 has internal
100K ohm pull-up resistors on each I/O pin that can
be individually enabled.
In addition, the GPIOs on the XRA1404 can
individually be controlled and configured. As outputs,
the GPIOs can be outputs that are high, low or in
three-state mode. The three-state mode feature is
useful for applications where the power is removed
from the remote devices, but they may still be
connected to the GPIO expander.
As inputs, the internal pull-up resistors can be
enabled or disabled and the input polarity can be
inverted.
The interrupt can be programmed for
different
behaviors.
The
interrupts
can
be
programmed to generate an interrupt on the rising
edge, falling edge or on both edges. The interrupt
can be cleared if the input changes back to its original
state or by reading the current state of the inputs.
The XRA1404 is available in 16-pin QFN and 16-pin
TSSOP packages.
FEATURES
1.65V to 3.6V operating voltage
Integrated level shifters
8 General Purpose I/Os (GPIOs)
5V tolerant inputs
Maximum stand-by current of 1uA at +1.8V
SPI bus interface
■ SPI Clock Frequency up to 26MHz
Individually programmable inputs
■ Internal pull-up resistors
■ Polarity inversion
■ Individual interrupt enable
■ Rising edge and/or Falling edge interrupt
■ Input filter
Individually programmable outputs
■ Output Level Control
■ Output Three-State Control
Open-drain active low interrupt output
Active-low reset input
3kV HBM ESD protection per JESD22-A114F
200mA latch-up performance per JESD78B
APPLICATIONS
Personal Digital Assistants (PDA)
Cellular Phones/Data Devices
Battery-Operated Devices
Global Positioning System (GPS)
Bluetooth
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XRA1404IG16-F | 功能描述:接口-I/O擴展器 8 Bit SPI GPIO Expander RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 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 |
| XRA1404IG16TR-F | 功能描述:接口-I/O擴展器 8 Bit SPI GPIO Expander RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 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 |
| XRA1404IL16-0B-EB | 功能描述:其他開發工具 8 Bit SPI Eval GPIO Expander RoHS:否 制造商:Parallax 產品:ELEV-8 Hex Upgrade Kits 類型:Robotics 工具用于評估:ELEV-8 Quadcopter 工作電源電壓: |
| XRA1404IL16-F | 功能描述:接口-I/O擴展器 8 Bit SPI GPIO Expander RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 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 |
| XRA1404IL16MTR-F | 制造商:Exar Corporation 功能描述:XRA1404IL16MTR-F |
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