HD404369 Datasheet, PDF (89/117 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer

HD404369 Series
A/D Channel Register (ACR: $016): Four-bit write-only register which indicates analog input pin
information, as shown in figure 72.
A/D channel register (ACR: $016)
Bit
Initial value
Read/Write
Bit name
3
0
W
ACR3
2
0
W
ACR2
1
0
W
ACR1
0
0
W
ACR0
ACR3 ACR2 ACR1 ACR0
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
Don’t Don’t
care. care.
Analog Input Selection
AN₀
AN₁
AN₂
AN₃
AN₄
AN₅
AN₆
AN₇
AN₈
AN₉
AN₁₀
AN₁₁
Not used
Figure 72 A/D Channel Register (ACR)
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