Chapter 14
A/D Converter
XIV - 16 Control Registers
■ A/D2 Start Trigger Count Register (AN2CTREGA: 0x0000A48C) [8-bit Access Register]
..
Do not write to the ANnCTREG during counting operation. Because when writing to the
ANnCTREG is executed, the internal counter that counts trigger factors is cleared.
..
bp 76543210
Flag AN2A
CNT3I
AN2A
CNT2I
AN2A
CNT1I
AN2A
CNT0I
AN2A
CNT3
AN2A
CNT2
AN2A
CNT1
AN2A
CNT0
At reset00000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Flag Description Setting condition
7-4
AN2ACNT3I
AN2ACNT2I
AN2ACNT1I
AN2ACNT0I
Setting the number of AD2 external trig-
ger counting
(at the first AD conversion)
0000~1111: 0 to 15 times
AD starts after the set number of counts of trigger factor B is
counted.
3-0
AN2ACNT3
AN2ACNT2
AN2ACNT1
AN2ACNT0
Setting the number of AD2 external trig-
ger counting
(at AD conversion after the second time)
0000~1111: 0 to 15 times
AD starts after the set number of counts of trigger factor B is
counted.