E981.07 Datasheet, PDF (34/46 Pages) ELMOS Semiconductor AG – Two independent operating channels

Two Channel Sensor Interface PSI5
ADVANCE PRODUCT INFORMATION JUL 26, 2011
5.2.5.6 SPI Sensor Non Sensor Data Request / Response Bit Definitions
E981.07
5.2.5.6.1 Slave Command MOSI Bit Definition
Name
OP1:OP0
SEN
A4:A0
D7:D0
Bit Position
14:13
13
12:8
7:0
Definition
Opcode, defines operation ( Read,Write)
Sensor Bit, defines request as Sensor data request or non sensor data
request
Address, for read of write operation
Data, for write operation
5.2.5.6.2 Slave Responses MISO Bit Definition
Name
OP1:OP0
P
ST1:ST0
ES1:ES0
D7:D0
SE
RE
DU
Bit Position
14:13
12
11:10
9:8
7:0
2
1
0
Definition
Opcode, identifies contents of Read or Write Data in D7:D0.
Parity, ensures odd parity for Bits 15:0 of MISO
Status, always “11” for non sensor response
Exception status, always “10” for non sensor response
Read Data / Error Data / Status
SPI error, set to '1' for request (MOSI) frame violations
Request error, set to '1' for illegal or unknown requests
Data Unavailable, set to '1' if data for READ request is not available
ELMOS Semiconductor AG
Data Sheet 34 / 45
QM-No.: 25DS0050E.00
This document contains information on a new product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.