Renesas M16C FAMILY series Hardware Manual page 258

M 1 6 C 2 / 8 G o r u p ( M 1 6 C
•Example when selecting AN
•Example 1: When Timer B1 underflow is generated during AN
AN
AN
AN
AN
"1"
ADST flag
"0"
"1"
ADERR0 flag
"0"
"1"
ADERR1 flag
"0"
"1"
ADTCSF flag
"0"
"1"
ADSTT0 flag
"0"
ADSTT1 flag
"1"
"0"
ADSTRT0 flag
"1"
"0"
ADSTRT1 flag
"1"
"0"
IR bit in the ADIC
"1"
register
"0"
•Example 2: When Timer B1 underflow is generated after AN
AN
AN
AN
AN
"1"
ADST flag
"0"
"1"
ADERR0 flag
"0"
ADERR1 flag "1"
"0"
ADTCSF flag "1"
"0"
ADSTT0 flag "1"
"0"
ADSTT1 flag
"1"
"0"
ADSTRT0 flag
"1"
"0"
ADSTRT1 flag
"1"
"0"
IR bit in the ADIC
"1"
register
"0"
ADST flag: Bit 6 in the ADCON0 register
ADERR0, ADERR1, ADTCSF, ADSTT0, ADSTT1, ADSTRT0 and ADSTRT1 flag: bits 0, 1, 3, 4, 5, 6 and 7 in the ADSTAT0 register
Figure 15.20 Each Flag Operation in ADSTAT0 Register Associated with the Operation
Example in Delayed Trigger Mode 0 (1)
R e . v 2 0 . 0 J a . n 3 , 1 2 0 0 7
R E J 0 9 B 0 0 4 7 0 - 2 0 0
2 / , 8 M 1 6 C 2 / 8 ) B
to AN to A/D sweep pins (SCAN1 to SCAN0="01
0 3
Timer B0 underflow
Timer B1 underflow
0
1
2
3
Do not set to "1" by program
Set to "0" by program
Set to "0" by an interrupt request acknowledgement or a program
Timer B0 underflow
Timer B1 underflow
0
1
2
3
Do not set to "1" by program
Set to "0" by an interrupt request acknowledgement or a program
page 238
f o 3 8 5
")
2
pin conversion
0
pin conversion
0
Set to "0" by program
15. A/D Converter
A/D pin input
voltage sampling
A/D pin conversion