参数资料
型号: 78M6613-SOCKET32
厂商: Maxim Integrated Products
文件页数: 7/33页
文件大小: 0K
描述: EVAL BOARD 78M6613 32PIN QFN
标准包装: 1
系列: *
DS_6613_018
78M6613 Data Sheet
1.2.5
Temperature Sensor
The 78M6613 includes an on-chip temperature sensor implemented as a bandgap reference. It is used
to determine the die temperature. The MPU reads the temperature sensor output during alternate
multiplexer cycles. The primary use of the temperature data is to determine the magnitude of
compensation required to offset the thermal drift in the system (see Section 3.3 Temperature
1.2.6
Functional Description
The AFE functions as a data acquisition system, controlled by the MPU. The input signals (A0, A1, A2,
and A3) are sampled and the ADC counts obtained are stored in CE DRAM where they can be accessed
by the CE and, if necessary, by the MPU. Alternate multiplexer cycles are initiated less frequently by the
MPU to gather access to the slow temperature signal.
VREF
A0
A1
A2
A3
MUX
VBIAS
VBIAS
V3P3A
-
?Σ ADC
CONVERTER
+
FIR
TEMP
MUX
VREF
VREF
MUX
CTRL
CROSS
CK32
FIR_DONE
4.9152 MHz
FIR_START
Figure 2: AFE Block Diagram
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