Configuration Of Temperature Adc Hardware - Hitachi 902 Service Manual

7.2.3 Configuration of Temperature ADC Hardware

Configuration of Temperature ADC Hardware
Thermal sensor
(feeler)
Reference voltage 2 V
Reference voltage 6 V
(1) The ADC controller converts the analog values of the temperature sensor, reference
voltage 2 V and reference voltage 6 V to the digital ones upon receiving the instruction
from the application via the driver and stores the digital values into the DPRAM.
The values are taken in the application via the driver.
(2) The application accesses to the driver, but does not control the ADC directly.
ADC Setting Parameters
• Integration = 32 times
• Software trigger interval = 30 msec
Amplifier MPX
Buffer amplifier
Driver
(software)
7 - 16
ADC controller
ADC DPRAM
ADC control
Application
(software)