MCP3901EV-MCU16 Microchip Technology, MCP3901EV-MCU16 Datasheet - Page 35

• Manufacturer Part Number: MCP3901EV-MCU16
• Description: BOARD EVAL FOR 2CH ADC MCP3901
• Manufacturer: Microchip Technology

Specifications of MCP3901EV-MCU16

• Number Of Adc's: 2
• Number Of Bits: 24
• Data Interface: SPI™
• Inputs Per Adc: 1 Differential
• Input Range: ±1 V
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: MCP3901
• Silicon Manufacturer: Microchip
• Application Sub Type: ADC
• Kit Application Type: Data Converter
• Silicon Core Number: MCP3901, PIC24F, PIC24H, DsPIC33, PIC18F86J55
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6.6
In this SPI mode, the clock Idles low. For the MCP3901,
this means that there will be a rising edge before there
is a falling edge.
FIGURE 6-4:
FIGURE 6-5:
© 2010 Microchip Technology Inc.
CS
SCK
SDI
SDO
CS
SCK
SDI
SDO
MCU and MCP3901 Latch
Bits on the Rising Edge
SPI MODE 0,0 – Clock Idle Low,
Read/Write Examples
MCU and MCP3901 Latch
Data Transitions on
HI-Z
Bits on the Rising Edge
the Falling Edge
HI-Z
Data Transitions on
the Falling Edge
A6
Device Read (SPI Mode 0,0 – Clock Idles Low).
Device Write (SPI Mode 0,0 – Clock Idles Low).
A6
A5 A4 A3 A2 A1 A0
HI-Z
A5 A4 A3 A2 A1
R/W
A0
R/W
D7
D7
(ADDRESS) DATA
D6 D5 D4 D3 D2 D1
(ADDRESS) DATA
D6 D5 D4 D3 D2 D1
HI-Z
D0
D0
D7
D7
(ADDRESS + 1) DATA
(ADDRESS + 1) DATA
D6 D5 D4 D3 D2 D1
D6 D5 D4 D3 D2 D1
D0
D0
D7 OF (ADDRESS + 2) DATA
MCP3901
D7 OF (ADDRESS + 2) DATA
DS22192C-page 35
HI-Z
HI-Z