M306V2 Mitsubishi, M306V2 Datasheet - Page 150

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

150
Figure 2.12.1 Block diagram of A-D converter
(V
CC
) V
AN
AN
AN
AN
AN
AN
REF
V
0
1
2
3
4
5
SS
(03C4
(03C6
(03C8
(03CA
(03CC
(03CE
Addresses
VCUT=0
VCUT=1
16
16
16
16
16
16
)
)
)
)
)
)
f
AD
Successive conversion register
Data bus high-order
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Data bus low-order
A-D register 3(8)
A-D register 4(8)
A-D register 5(8)
A-D register 0(8)
A-D register 1(8)
A-D register 2(8)
1/2
Resistor ladder
CH2,CH1,CH0=010
CH2,CH1,CH0=011
CH2,CH1,CH0=100
CH2,CH1,CH0=101
CH2,CH1,CH0=110
CH2,CH1,CH0=111
1/2
A-D control register 1 (address 03D7
A-D control register 0 (address 03D6
CKS0=0
CKS0=1
and ON-SCREEN DISPLAY CONTROLLER
CKS1=0
CKS1=1
MITSUBISHI MICROCOMPUTERS
Decoder
16
16
)
)
M306V2ME-XXXFP
A-D conversion rate
selection
V
V
M306V2EEFP
ref
IN
Comparator
AD
Rev. 1.0