M306V2 Mitsubishi, M306V2 Datasheet - Page 165

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

Rev. 1.0
Figure 2.13.2 D-A control register
Figure 2.13.3 D-A register i (i = 0 and 1)
Figure 2.13.4 D-A converter equivalent circuit
V
CC
DA0
V
(V
SS
REF
D-A control register
b7
b7
D-A register i (i = 0, 1)
)
D-A0 register0
b6
Note 1: The above diagram shows an instance in which the D-A register is assigned 2A
b5
2: The same circuit as this is also used for D-A1.
3: To reduce the current consumption when the D-A converter is not used, set the D-A output enable bit to 0 and set the D-A register to
b4
D-A0 output enable bit
00
16
b3
MSB
so that no current flows in the resistors Rs and 2Rs.
"0"
"1"
b2
2R
b1
b0
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
b0
Nothing is assigned.
In an attempt to write to these bits, write “0.” The value, if read, turns out to be “0.”
Bit symbol
R
2R
Output value of D-A conversion
DA0E
DA1E
Symbol
DACON
Symbol
DAi (i = 0,1)
R
2R
D-A0 output enable bit
D-A1 output enable bit
Bit name
03D8
R
2R
Address
03DC
Address
16
,
03DA
16
Function
R
2R
16
0 : Output disabled
1 : Output enabled
0 : Output disabled
1 : Output enabled
16
.
When reset
Indeterminate
and ON-SCREEN DISPLAY CONTROLLER
When reset
R
2R
00
MITSUBISHI MICROCOMPUTERS
16
Function
M306V2ME-XXXFP
R
2R
M306V2EEFP
R
2R
R W
R W
R
LSB
2R
W
165