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User’s Manual U15798EJ2V0UD
CHAPTER 12 8-BIT A/D CONVERTER (
µ
PD780344, 780344Y SUBSERIES)
12.1 8-Bit A/D Converter Functions
The 8-bit A/D converter is an 8-bit resolution converter that converts analog inputs into digital values. It can control
up to 8 analog input channels (ANI0 to ANI7).
(1) Hardware start
Conversion is started by trigger input (ADTRG: rising edge, falling edge, or both rising and falling edges can be
specified).
(2) Software start
Conversion is started by setting A/D converter mode register 0 (ADM0).
Select one channel for analog input from ANI0 to ANI7 to perform A/D conversion. In the case of hardware start,
A/D conversion stops when an A/D conversion operation ends and an interrupt request (INTAD0) is generated. In
the case of software start, A/D conversion is repeated. Each time an A/D conversion operation ends, an interrupt
request (INTAD0) is generated.
Caution The
µ
PD78F0354 and 78F0354Y have a 10-bit A/D converter, but this A/D converter can be used
as an 8-bit A/D converter by using an object file assembled using a product in the
µ
PD780344
and 780344Y Subseries.
