M16C65 Datasheet, PDF (690/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
27. A/D Converter
27.2.2 Open-Circuit Detection Assist Function Register (AINRST)
Open-Circuit Detection Assist Function Register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
AINRST
Address
03A2h
After Reset
XX00 0000b
Bit Symbol
Bit Name
Function
RW
—
(b3-b0)
No register bits. If necessary, set to 0. Read as undefined value
—
AINRST0
AINRST1
Open-circuit detection assist
function enable bit
b5 b4
0 0 : Open-circuit detection disabled
0 1 : Precharge before conversion
1 0 : Discharge before conversion
1 1 : Do not set
RW
RW
—
(b7-b6)
No register bits. If necessary, set to 0. Read as undefined value
—
AINRST1-AINRST0 (Open-circuit Detection Assist Function Enable Bit) (b5-b4)
To enable the A/D open-circuit detection assist function, set the AINRST0 bit or AINRST1 bit to 1, and
then set the ADST bit in the ADCON0 register to 1 (A/D conversion) after waiting for one cycle of φAD.
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
Page 655 of 791