UPD75518 NEC, UPD75518 Datasheet - Page 119

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

FD8H
Address
Caution A/D conversion is started a maximum of 2
Note 2
7
0
4
/f
is set. (For details, see item (5).)
X
seconds = 3.81 s for f
ADM6
6
ADM5
Fig. 4-58 Format of the A/D Conversion Mode Register
5
ADM4
4
X
= 4.19 MHz
SOC
3
EOC
2
4
ADM1
/f
X
1
seconds (2.67 s at f
Comparator bias voltage selection
Reamark This bit may be set to either 0 or 1 for
End of conversion flag (R)
Start of conversion bit (W)
Analog channel selection bit (W)
ADM1
ADM6
EOC
SOC
0
0
0
0
1
1
1
1
0
0
0.6V
ADM5
0
1
0
1
Setting this bit starts conversion.
After conversion is started, the bit is reset
automatically.
0
0
1
1
0
0
1
1
Symbol
ADM
DD
AV
AV
Conversion under way
Conversion completed
REF
REF
AV
ADM4
REF
X
0
1
0
1
0
1
0
1
0.6V
0.65V
= 6.0 MHz)
0.65V
DD
DD
DD
PD75518(A)
Analog channel
.
Note
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
after SOC
119