MCP47FVB02 datasheet(27/92 Pages) MICROCHIP

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 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

MSOP-10LD

Symbol

I/O

Buffer

Type

Standard Function

1VDD

—

Supply Voltage Pin

2CS

SPI Chip Select Pin

3VREF0

Analog

Voltage Reference Input Pin

4VOUT0

Analog

Buffered Analog Voltage Output Pin

—

Not Internally Connected

LAT0/HVC

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

—

Ground Reference Pin for all circuitries on the device

SDO

—

SPI Serial Data Output Pin

SCK

SPI Serial Clock Pin

SDI

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

MSOP-10LD

Symbol

I/O

Buffer

Type

Standard Function

1VDD

—

Supply Voltage Pin

2CS

SPI Chip Select Pin

3VREF

Analog

Voltage Reference Input Pin (for DAC0 and DAC1)

4VOUT0

Analog

Buffered Analog Voltage Output 0 Pin

5VOUT1

Analog

Buffered Analog Voltage Output 1 Pin

LAT0/HVC

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

—

Ground Reference Pin for all circuitries on the device

SDO

—

SPI Serial Data Output Pin

SCK

SPI Serial Clock Pin

SDI

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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