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
External timing resistor for higher speed clock
High speed oscillator output. Output is 1/2 clock speed. Used for diagnostics.
Connect the pin to ground.
Optional Z sensor drive output (+)
Optional Z sensor input (+)
Optional Z sensor input (–)
Optional Z sensor drive output (–)
Active low chip select for SPI port
Master Out, Slave In for the module SPI port
Master In, Slave Out for the module SPI port
Serial clock input for SPI port. 1 MHz maximum.
Input protection clamp diode common
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