Product data

HD404818 Series
41
Table 19 I/O Pin Circuit Types
I/O Pins Circuit Pin Name
I/O common pins
(wint pull-up MOS)
V
CC
V
CC
Input control signal
Input data
Output data
PDR
DCR
Pull-up control signal
D
0
-D
9
R0
0
-R0
3
R1
0
-R1
3
R2
0
-R2
3
R3
0
-R3
3
V
CC
V
CC
SCK
Output data
SCK (internal)
DCR
Pull-up control signal
SCK
Output pins
(with pull-up MOS)
V
CC
V
CC
Output data
SO or TIMO
DCR
Pull-up control signal
SO
TIMO
Input pins
V
CC
PDR
Pull-up control signal
INT
0
INT
1
SI
Input control signal
Input data
D
10
D
11
/VC
ref
VC
ref
Analog input
Input control
Input data
Mode select signal
+
–
D
12
/COMP
0
D
13
/COMP
1
(Multiplexed with
analog inputs)
Note: For RO
2
/SO, refer to table 20, note 3.