HD404318 Datasheet, PDF (29/66 Pages) Hitachi Semiconductor – 4-bit HMCS400-series microcomputer

HD404318 Series
Miscellaneous register (MIS: $00C)
Bit
3
Initial value
0
2
1
0
0
—
—
Read/Write
Bit name
W
MIS3
W
—
—
MIS2 Not used Not used
MIS3
0
1
Pull-Up MOS
On/Off Selection
Pull-up MOS off
Pull-up MOS on
(refer to table 5)
MIS2
0
1
CMOS Buffer
On/Off Selection
for Pin R0₂/SO
CMOS on
CMOS off
Note: The on/off status of each transistor and the peripheral function mode of each
pin can be set independently.
Figure 20 Miscellaneous Register (MIS)
29