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HD404369 Datasheet, PDF (52/115 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer | |||
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HD404369 Series
A/D mode register 2 (AMR2: $01A)
Bit
Initial value
Read/Write
Bit name
3
2
â
0
â
W
Not used AMR22
1
0
W
AMR21
0
0
W
AMR20
AMR22
0
1
R5/AN8âAN11 Pin Selection
R5
AN8âAN11
AMR20
0
1
AMR21
0
1
Conversion Time
34 tcyc
67 tcyc
R4/AN4âAN7 Pin Selection
R4
AN4âAN7
Figure 33 A/D Mode Register 2 (AMR2)
Miscellaneous register (MIS: $00C)
Bit
Initial value
Read/Write
Bit name
3
0
W
MIS3
2
0
W
MIS2
1
0
W
MIS1
0
0
W
MIS0
MIS3
0
1
Pull-Up MOS
On/Off Selection
Pull-up MOS off
Pull-up MOS on
(refer to table 21)
MIS2
0
1
CMOS Buffer
On/Off Selection
for Pin R02/SO
PMOS active
PMOS off
MIS1
MIS0
tRC selection.
Refer to figure 15 in the
operation modes section.
Figure 34 Miscellaneous Register (MIS)
52
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