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MCP47FVB01 数据表(PDF) 27 Page - Microchip Technology |
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MCP47FVB01 数据表(HTML) 27 Page - Microchip Technology |
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27 / 92 page  2015 Microchip Technology Inc. DS20005429B-page 27 MCP48FEBXX 3.0 PIN DESCRIPTIONS Overviews of the pin functions are provided in Sections 3.1 “Positive Power Supply Input (VDD)” through Section 3.10 “SPI - Serial Clock Pin (SCK)”. The descriptions of the pins for the single-DAC output device are listed in Table 3-1, and descriptions for the dual-DAC output device are listed in Table 3-2. TABLE 3-1: MCP48FEBX1 (Single-DAC) Pinout Description Pin MSOP-10LD Symbol I/O Buffer Type Standard Function 1VDD — P Supply Voltage Pin 2CS I ST SPI Chip Select Pin 3VREF0 A Analog Voltage Reference Input Pin 4VOUT0 A Analog Buffered Analog Voltage Output Pin 5 NC — — Not Internally Connected 6 LAT0/HVC I HV ST DAC Register Latch/High-Voltage Command Pin. Latch Pin allows the value in the Serial Shift Register to transfer to the volatile DAC register. High-Voltage command allows User Configuration Bits to be written. 7VSS — P Ground Reference Pin for all circuitries on the device 8 SDO O — SPI Serial Data Output Pin 9 SCK I ST SPI Serial Clock Pin 10 SDI I ST SPI Serial Data Input Pin Legend: A = Analog ST = Schmitt Trigger HV = High Voltage I = Input O = Output I/O = Input/Output P = Power TABLE 3-2: MCP48FEBX2 (Dual-DAC) Pinout Description Pin MSOP-10LD Symbol I/O Buffer Type Standard Function 1VDD — P Supply Voltage Pin 2CS I ST SPI Chip Select Pin 3VREF A Analog Voltage Reference Input Pin (for DAC0 and DAC1) 4VOUT0 A Analog Buffered Analog Voltage Output 0 Pin 5VOUT1 A Analog Buffered Analog Voltage Output 1 Pin 6 LAT0/HVC I HV ST DAC Register Latch/High-Voltage Command Pin. Latch Pin allows the value in the Serial Shift Register to transfer to the volatile DAC register (for DAC0 and DAC1). High-Voltage command allows User Configuration Bits to be written. 7VSS — P Ground Reference Pin for all circuitries on the device 8 SDO O — SPI Serial Data Output Pin 9 SCK I ST SPI Serial Clock Pin 10 SDI I ST SPI Serial Data Input Pin Legend: A = Analog ST = Schmitt Trigger HV = High Voltage I = Input O = Output I/O = Input/Output P = Power |
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