MCP33151-05-ESLASHMS datasheet(39/55 Pages) MICROCHIP

Part #	MCP33151-05-E/MS

Description	1 Msps/500 ksps, 14/12-Bit Single-Ended Input SAR ADC

PDF	55 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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39 / 55 page

 2019 Microchip Technology Inc.

DS20006220A-page 39

MCP33151/41-XX

FIGURE 6-5:

Connection Diagram for 3-

Wire CS Mode with BUSY Status Indicator

Output Bit. IRQ Pin in the Host Device Is Used

for Interrupt Event.

FIGURE 6-6:

Timing Diagram for 3-Wire CS Mode with BUSY Status Indicator Output Bit, Early

CNV (Recommended).

CNVST

SDI

(Data In)

SCLK

CNV

SCLK

SDO

SDI

CNV

(a) MCP331XX

(b) Digital Host (Master)

47 kΩ

VIO

IRQ

Note:

This connection can also monitor the

calibration status indicator output using

IRQ pin.

Note:

The pull-up resistor on the SDO pin is

highly recommended in this mode as it

ensures that the IRQ pin of the digital host

is held high when SDO goes to High-Z

state.

SDI = 0

CNV (CS)

SCLK

SDO

ADC

State

TCYC =1/fs

tCNVH

Converting Phase

(tCNV)

Input Acquisition

(tACQ)

High-Z (with no pull-up)

tSCLK

tDO

tSCLK_L

tSCLK_H

12345

tEN

tQUIET

tDIS

“High” (with pull-up)

D13

D12

D11

D10

BUS

tSU_SDIL_CNV

MCP33151-05-E/MS Datasheet(PDF) 39 Page - Microchip Technology

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