NT68P61A Datasheet, PDF (17/48 Pages) List of Unclassifed Manufacturers – 8-Bit Microcontroller for Monitor (24K OTP ROM Type)

NT68P61A
A/D Channel Control Register
Addr. Register INIT Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
$000C ENDAC FFH _{ENAD1 ENAD0 ENDK13 ENDK12 ENDK11 ENDK10 ENDK9 ENDK8} W
$000D AD0 REG C0H _CEND
CSTA
AD05
AD04
AD03
AD02
AD01
AD00 R
W
$000E AD1 REG 00H
-
-
AD15
AD14
AD13
AD12
AD11
AD10 R
Input Voltage
0.12
0.37
0.53
0.78
1
1.28
1.54
Digital Value
0 ($00)
1 ($01)
7 ($07)
10 ($0A)
14 ($0E)
17 ($11)
20 ($14)
Input Voltage
1.79
2.03
2.27
2.51
2.76
3
3.25
Digital Value
23 ($17)
27 ($1B)
30 ($1E)
33 ($21)
36 ($24)
40 ($28)
43 ($2B)
Input Voltage Digital Value
3.5
46 ($2E)
3.75
49 ($31)
3.99
52 ($34)
4.22
56 ($38)
4.46
63 ($3F)
4.7
63 ($3F)
4.95
63 ($3F)
70
These digitals have ±1 LSB deviation
60
Linear Range
50
40
30
20
10
VDD
0
0
0.2 0.3 0.4
0.6 0.7 0.8
1
Input Voltage
Figure 3. A/D Converter Linearity Diagram
17