UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 115
UPD75238GJ
Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
1.UPD75238GJ.pdf
(190 pages)
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FD8H
Caution A/D conversion is started a maximum of 2
7
0
(See (5) in Section 4.10.)
Note 3.81 s at 4.19 MHz
ADM6
6
ADM5
Fig. 4-63 Format of the A/D Conversion Mode Register
5
ADM4
4
SOC
3
EOC
2
4
/f
X
1
0
seconds (2.67 s at 6.0 MHz)
End of conversion flag
Start of conversion bit
Analog channel selection bit
ADM6
EOC
SOC
0
0
0
0
1
1
1
1
0
0
ADM5
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
Conversion under way
Conversion completed
ADM4
0
1
0
1
0
1
0
1
Note
Analog channel
after SOC is set.
PD75238
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
115
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