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參數(shù)資料
| 型號： | XRA1200PIG16-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 15/16頁 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 16TSSOP |
| 標準包裝： | 95 |
| 接口： | I²C，SM 總線 |
| 輸入/輸出數(shù)： | 8 |
| 中斷輸出： | 是 |
| 頻率 - 時鐘： | 400kHz |
| 電源電壓： | 1.65 V ~ 3.6 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） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 管件 |
| 其它名稱： | 1016-1708-5 |
XRA1200/1200P
8
8-BIT I2C/SMBUS GPIO EXPANDER
REV. 1.0.0
2.0 REGISTER DESCRIPTION
2.1
GPIO State Register (GSR) - Read-Only
The status of P7 - P0 can be read via this register. A read will show the current state of these pins (or the
inverted state of these pins if enabled via the PIR Register). Reading this register will clear an input interrupt
(see Table 3 for complete details). Reading this register will also return the last value written to the OCR
register for any pins that are configured as outputs (ie. this is not the same as the state of the actual output pin
since the output pin can be in three-state mode). A write to this register has no effect. The MSB of this register
corresponds with P7 and the LSB of this register corresponds with P0.
2.2
Output Control Register (OCR) - Read/Write
When P7 - P0 are defined as outputs, they can be controlled by writing to this register. Reading this register
will return the last value written to it, however, this value may not be the actual state of the output pin since
these pins can be in three-state mode. The MSB of this register corresponds with P7 and the LSB of this
register corresponds with P0.
2.3
Input Polarity Inversion Register (PIR) - Read/Write
When P7 - P0 are defined as inputs, this register inverts the polarity of the input value read from the Input Port
Register. If the corresponding bit in this register is set to ’1’, the value of this bit in the GSR Register will be the
inverted value of the input pin. If the corresponding bit in this register is set to ’0’, the value of this bit in the
GSR Register will be the actual value of the input pin. The MSB of this register corresponds with P7 and the
LSB of this register corresponds with P0.
2.4
GPIO Configuration Register (GCR) - Read/Write
This register configures the GPIOs as inputs or outputs. After power-up and reset, the GPIOs are inputs.
Setting these bits to ’0’ will enable the GPIOs as outputs. Setting these bits to ’1’ will enable the GPIOs as
inputs. The MSB of this register corresponds with P7 and the LSB of this register corresponds with P0.
2.5
Input Internal Pull-up Enable/Disable Register (PUR) - Read/Write
This register enables/disables the internal pull-up resistors for an input. After power-up and reset, the internal
pull-up resistors are disabled for the XRA1200. Writing a ’1’ to these bits will enable the internal pull-up
resistors. After power-up and reset, the internal pull-up resistors are enabled for the XRA1200P. Writing a ’0’
to these bits will disable the internal pull-up resistors. The MSB of this register corresponds with P7 and the
LSB of this register corresponds with P0.
2.6
Input Interrupt Enable Register (IER) - Read/Write
This register enables/disables the interrupts for an input. After power-up and reset, the interrupts are disabled.
Writing a ’1’ to these bits will enable the interrupt for the corresponding input pins. See Table 3 for complete
details of the interrupt behavior for various register settings. No interrupts are generated for outputs when GCR
bit is 0. The MSB of this register corresponds with P7 and the LSB of this register corresponds with P0.
2.7
Output Three-State Control Register (TSCR) - Read/Write
This register can enable/disable the three-state mode of an output. Writing a ’1’ to these bits will enable the
three-state mode for the corresponding output pins. The MSB of this register corresponds with P7 and the LSB
of this register corresponds with P0.
2.8
Input Interrupt Status Register (ISR) - Read-Only
This register reports the input pins that have generated an interrupt. See Table 3 for complete details of the
interrupt behavior for various register settings. The MSB of this register corresponds with P7 and the LSB of
this register corresponds with P0.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XRA1200PIG16TR-F | 功能描述:接口-I/O擴展器 8 Bit I2C SMBus GPIO 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| XRA1200PIL16-0A-EB | 制造商:Exar Corporation 功能描述:XRA1200PIL16-0A-EB |
| XRA1200PIL16-F | 功能描述:接口-I/O擴展器 8 Bit I2C SMBus GPIO 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| XRA1200PIL16TR-F | 功能描述:接口-I/O擴展器 8 Bit I2C SMBus GPIO 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| XRA1201IG24-F | 功能描述:接口-I/O擴展器 16 Bit I2C SMBus GPIO 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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