HD404344R Datasheet, PDF (78/102 Pages) Renesas Technology Corp – 4-bit microcomputer has an A/D converter

HD404344R Series/HD404394 Series
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
Analog Input Selection
AN₀*
AN₁
AN₂
AN₃
Note: * Available for the HD404344R series and HD4074344, but not available for the HD404394 series.
Figure 55 A/D Channel Register (ACR)
A/D start flag (ADSF: $020, bit 2)
Bit
Initial value
Read/Write
Bit name
3
—
—
Not used
2
0
R/W
ADSF
1
0
0
—
W
—
WDON Not used
A/D Start Flag (ADSF)
0
A/D conversion completed
1
A/D conversion started
WDON
Refer to the description of timers
Figure 56 A/D Start Flag (ADSF)
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