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HMCS404CL------------------------------------------------------------------------
Without pull-up MOS (NMOS open drain)
With pull-up MOS (B)
Applied pins
or CMOS (A or C)
SCK
,..,
SCK
HLT
I/O
Vee
HLT
V'~
common
H L T +mode select
o-l1
HL T+",od.
~I~
SCK
pins
0-
~;n
.. m"SCK
internal SCK
en
~::T
c:
Vee
.0.
"E
Output
~~::T
co
SO
"0
pins
c:
co
en
Input
INTo,
pins
INT"
o - e - i n p u t
o - - e - i n p u t
SI
data
data
HLT
HLT
(Note)
I n the stop mode, H L T signal is "0", H L T signal is "1" and I/O pins are in high impedance state.
Table 18 Data Input from Input/Output Common Pins
I/O pin circuit type
Possibi lity
Available pin condition
of Input
for input
CMOS
No
-
Standard
Without pull-up
pins
MOS
(NMOS open drain)
Yes
"1"
With pull-up MOS
Yes
"1"
Without pull-down
High
MOS
Yes
"0"
voltage
(PMOS open drain)
pins
With pull-down
MOS
Yes
"0"
358
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