Renesas M16C/60 Series Hardware Manual page 213

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M16C/6N5 Group
D-A control register (Note)
b7 b6 b5 b4 b3 b2
Note: When not using the D-A converter, set the DAiE bit (i = 0, 1) to "0" (output disabled) to reduce the unnecessary
current consumption in the chip and set the DAi register to "00
resistor ladder.
D-Ai register (Note) (i = 0, 1)
b7
Note: When not using the D-A converter, set the DAiE bit (i = 0, 1) to "0" (output disabled) to reduce the unnecessary
current consumption in the chip and set the DAi register to "00
resistor ladder.
Figure 1.17.2 DACON Register, DA0 Register and DA1 Register
DAiE bit
"0"
R
DAi
"1"
MSB
DAi register
"0"
AV
SS
V
REF
i = 0, 1
Note: The above diagram shows an instance in which the DAi register is assigned "2A
Figure 1.17.3 D-A Converter Equivalent Circuit
Rev.1.00 2003.05.30 page 199
b1 b0
Symbol
DACON
Bit symbol
DA0E D-A0 output enable bit
DA1E D-A1 output enable bit
- Nothing is assigned. When write, set to "0".
(b7-b2) When read, their contents are "0".
Symbol
b0
DA0
DA1
Output value of D-A conversion
R R
2R 2R 2R
"1"
Address After reset
03DC 00
16 16
Bit name
0 : Output disabled
1 : Output enabled
0 : Output disabled
1 : Output enabled
" to prevent current from flowing into the R-2R
16
Address After reset
Indeterminate
03D8
16
03DA Indeterminate
16
Function
" to prevent current from flowing into the R-2R
16
R R R
2R 2R 2R
".
16
D-A Converter
Function
RW
RW
RW
-
RW
RW
R R 2R
2R 2R
LSB