Pni MS2100 Manuel d'utilisateur télécharger pdf (Page 5)

PNI Sensor Corporation 133 Aviation Blvd., Suite 101, Santa Rosa, CA 95403-1084 USA;, Fax: (707) 566-2261

For the most current specifications, please visit our website at: www.pnicorp.com DOC # 1011946 R07

21-Jan-11 Page 5 of 16-

MS2100

Specifications & Instructions

Host Processor Interface

All accesses to and from the MS2100 are through a hardware handshaking, synchronous serial interface

that adheres to the Motorola SPI protocol. The interface consists of six signals; SCLK, MOSI, MISO,

SSNOT, RESET, and DRDY.

Table 5: MS2100 Pad Descriptions

Pad

MS2100 Name

Function

N.C.

Not connected

RESET

Reset input

REXT

External timing resistor for higher speed clock

DRDY

Data ready

DHST

High speed oscillator output. Output is 1/2 clock speed. Used for diagnostics.

REXT_GND

Connect the pin to ground.

APZDRV

Optional Z sensor drive output (+)

APZIN

Optional Z sensor input (+)

ANZIN

Optional Z sensor input (–)

ANZDRV

Optional Z sensor drive output (–)

SSNOT

Active low chip select for SPI port

MOSI

Master Out, Slave In for the module SPI port

N.C

Not connected

MISO

Master In, Slave Out for the module SPI port

SCLK

Serial clock input for SPI port. 1 MHz maximum.

VDD

Supply Voltage (digital)

VDD

Supply Voltage (analog)

VSTBY

Input protection clamp diode common

VSS

Ground (analog)

VSS

Ground (digital)

1 2 3 4 5 6 7 8 9 10 ... 15 16

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Pni MS2100 Manuel d'utilisateur Page 5

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