m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 265

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
Figure 18.2 DACON Register, DA0 and DA1 Registers
Figure 18.3 D/A Converter Equivalent Circuit
2
0
1
9
C
3 .
B
8 /
0
1
3
0
3
J
G
DA0
AV
V
4
a
REF (4)
0 -
n
o r
D/A Control Register
D/A Register i (i=0, 1)
b7
b7
SS
3 .
1
u
D/A register 0
, 1
3
p
b6
1
NOTES:
2
(
M
1. The above applies when the DA0 register is set to "2A
2. This
3. To reduce power consumption when the D/A converter is not used, set the DAiE bit (i=0, 1) to "0"
4. This V
0
DA0E
b5
0
3
(output disabled) and the DAi register to "00
6
2
r
b4
MSB
C
Page 242
8 /
b3
circuitry
"1"
"0"
REF
, 3
b2
2R
M
0
is not related to VCUT bit setting in the AD0CON1 and AD1CON1 registers.
b1
3
is the same for D/A1.
2
C
b0
b0
f o
8 /
1
4
R
(b7 - b2)
3
Output value of D/A conversion
8
Symbol
2R
DA0E
DA1E
) T
8
Bit
Symbol
DACON
Symbol
DA0, DA1
R
D/A0 Output Enable Bit
D/A1 Output Enable Bit
Nothing is assigned. When write, set to "0".
When read, its content is indeterminate.
2R
Bit Name
R
Function
Address
039C
Address
0398
2R
16
16
16
" to stop current from flowing into the R-2R resistor.
, 039A
R
2R
16
16
0 : Disables an output
1 : Enables an output
0 : Disables an output
1 : Enables an output
".
R
2R
After Reset
XXXX XX00
After Reset
Indeterminate
Function
R
2R
Setting Range
00
16
2
to FF
R
2R
16
18. D/A Converter
2R
RW
RW
RW
RW
RW
LSB