M306V0ME-107FP MITSUBISHI [Mitsubishi Electric Semiconductor], M306V0ME-107FP Datasheet - Page 148
M306V0ME-107FP
Manufacturer Part Number
M306V0ME-107FP
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
1.M306V0ME-107FP.pdf
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2.13 D-A Converter
Table 2.13.1 Performance of D-A converter
Figure 2.13.1 Block diagram of D-A converter
Conversion method
Resolution
Analog output pin
This is an 8-bit, R-2R type D-A converter. The microcomputer contains two independent D-A converters of
this type.
D-A conversion is performed when a value is written to the corresponding D-A register. Bits 0 and 1 (D-A
output enable bits) of the D-A control register decide if the result of conversion is to be output. Do not set the
target port to output mode if D-A conversion is to be performed.
Output analog voltage (V) is determined by a set value (n : decimal) in the D-A register.
Table 2.13.1 lists the performance of the D-A converter. Figure 2.13.1 shows the block diagram of the D-A
converter. Figure 2.13.2 shows the A-D control register, Figure 2.13.3 shows the D-A register and Figure
2.13.4 shows the D-A converter equivalent circuit.
Item
V = V
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
REF
R-2R method
8 bits
2 channels
Data bus low-order bits
X n/ 256 (n = 0 to 255)
R-2R resistor ladder
R-2R resistor ladder
D-A register0 (8)
D-A register1 (8)
V
REF
: reference voltage
D-A0 output enable bit
D-A1 output enable bit
Performance
(Address 03D8
(Address 03DA
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
P9
P9
16
16
3
4
M306V0ME-XXXFP
)
/DA
)
/DA
0
1
M306V0EEFP
Rev. 1.0
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