SCA8X0/21X0/3100 Series
Bits
Mode
RW
Initial
Value
Name
MISO
Description
STS have same priority and they can be set and
used simultaneously.
This bit is set to 0 when test is over. Use
INT_STATUS.STS and ST bit of SPI frame for test
result monitoring.
0 = Set MISO line to normal state (= High
impedance state between SPI transfers, data out
state during transfers)
0
0
1 = Set MISO like to a continuous high impedance
state (same write command to multiple slaves,
which share MISO line).
3.2.2 Reset Register (RESET)
Address: 3h
Bits
Mode
Initial
Value
00h
Name
RST
Description
7:0
RW
Writing 0C'hex, 05'hex, 0F'hex in this order resets
component.
3.3 Identification registers
3.3.1 Revision ID (REVID)
Address: 0h
Bits
Mode
Initial
Value
23h 1)
22h 2)
Name
Description
7:0
R
REVID
ASIC revision identification number, each ASIC version
has different REVID-number.
1) SCA8X0
2) SCA21X0/SCA31X0
3.3.2 Component ID (ID)
Address: 27h
Bits
Mode
Initial
Value
Name
ID
Description
7:0
RW
Component identification number
(write operation by user is possible to this register but
not to non-volatile memory)
The ID register contains information about the product version and value is loaded from non-
volatile memory. Each VTI Automotive Digital Accelerometer Platform product will have a unique
identification number. Single axis products can be differentiated from multi axis products through
this register.
SCA8X0:
SCA21X0:
SCA31X0:
MSB = 0
MSB = 1
MSB = 1
Please refer to the product data sheet for correct ID number.
VTI Technologies Oy
www.vti.fi
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Doc. Nr. 82 694 00 C
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