Chapter 14
A/D Converter
Control Registers XIV - 15
■ A/D1Start Trigger A Count Register (AN1CTREGA: 0x0000A44C) [8-bit Access Register]
■ A/D1Start Trigger B Count Register (AN1CTREGB: 0x0000A44D) [8-bit Access Register]
bp 76543210
Flag AN1A
CNT3I
AN1A
CNT2I
AN1A
CNT1I
AN1A
CNT0I
AN1A
CNT3
AN1A
CNT2
AN1A
CNT1
AN1A
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
AN1ACNT3I
AN1ACNT2I
AN1ACNT1I
AN1ACNT0I
Setting the number of AD1 external trig-
ger A counting
(at the first AD conversion)
0000~1111: 0 to 15 times
AD starts after the set number of counts of trigger factor A is
counted.
3-0
AN1ACNT3
AN1ACNT2
AN1ACNT1
AN1ACNT0
Setting the number of AD1 external trig-
ger A 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 A is
counted.
bp 76543210
Flag AN1B
CNT3I
AN1B
CNT2I
AN1B
CNT1I
AN1B
CNT0I
AN1B
CNT3
AN1B
CNT2
AN1B
CNT1
AN1B
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
AN1BCNT3I
AN1BCNT2I
AN1BCNT1I
AN1BCNT0I
Setting the number of AD1 external trig-
ger B 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
AN1BCNT3
AN1BCNT2
AN1BCNT1
AN1BCNT0
Setting the number of AD1 external trig-
ger B 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.