Temperature Sensors-Dual National* Ti-101S; C Bus Test Headers; C Bus On The Peripheral Bus Expansion Header - Intel IQ80315 Board Manual

I/o processor evaluation platform
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2.10.1.7
Temperature Sensors—Dual National* TI-101s
Temperature monitoring is achieved using two National* TI-101 temperature sensors. These are
2
3.3 V, I
C sensors with addresses 0x48 and 0x49. Accuracy is nominally ± 2 °C in the IQ80315
CRBs operating range.
The TI-101s are placed on opposite ends of the board, just in case there is a strong temperature
gradient present. This layout also provides for some redundancy in case one sensor is blocked off.
The temperature alert signal from both TI-101s (O.S. out) are combined into a single interrupt into
the 80314. See
2.10.1.8
I
2
The I
C bus test headers are generic expansion connectors for test probing and off–board
peripherals development. The connectors are keyed 4-pin headers that are different from the fan
connectors. Both of the I
headers.
2.10.1.9
I
The CPLD has a 0.1" PC104 style connector attached to it for peripheral bus test and user
expansion. The main I
expansion module prototyping.
®
Intel
IQ80315 I/O Processor Evaluation Platform Board Manual
Section 3.5
for interrupt assignments.
2

C Bus Test Headers

2
C busses on the IQ80315 CRB are brought out to dedicated 4-pin test
2

C Bus on the Peripheral Bus Expansion Header

2
C bus is also brought to one of these headers to simplify peripheral bus
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Intel
IQ80315 I/O Processor Evaluation Platform
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