HD404829R Datasheet, PDF (98/149 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a LCD controller/Driver Circuit

HD404829R Series
A/D data register (lower digit) (ADRL: $017)
Bit
Initial value
Read/Write
Bit name
3
0
R
ADRL3
2
0
R
ADRL2
1
0
R
ADRL1
0
0
R
ADRL0
Figure 84 A/D Data Register Lower Digit (ADRL)
A/D data register (upper digit) (ADRU: $018)
Bit
Initial value
Read/Write
Bit name
3
2
1
0
1
0
0
0
R
R
R
R
ADRU3 ADRU2 ADRU1 ADRU0
Figure 85 A/D Data Register Upper Digit (ADRU)
A/D Start Flag (ADSF: $020, Bit 2): One-bit flag that initiates A/D conversion when set to 1. At the
completion of A/D conversion, the converted data is stored in the A/D data register and the A/D start flag is
cleared. Refer to figure 86.
A/D start flag (ADSF: $020, bit 2)
Bit
Initial value
Read/Write
Bit name
3
0
R/W
DTON
2
0
R/W
ADSF
1
0
R/W
WDON
0
0
R/W
LSON
DTON
Refer to the description of operating
modes
WDON
Refer to the description of timers
ADSF (A/D start flag)
1
A/D conversion started
0
A/D conversion completed
LSON
Refer to the description of operating
modes
Figure 86 A/D Start Flag (ADSF)
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