Rev. 1.0, 02/00, page 1117 of 1141
Pin States
Pin Names
Circuit Diagram
At Reset
Sleep
Mode
Power-Down
Modes Other
Than Sleep
Mode
Retained Pull-up MOS:
OFF
Subactive mode:
Functions
Other modes:
Hi-Z
P10/
,54
3
to
P15/
,54
8
P16/
,&
PUR1n ·
RD
PDR1n
PMR1n
PCR1n
INT
INT =
to
,
n = 0 to 6
PMR1n
Hi-Z
When
,54
3
to
,54
8
and
,&
are selected, pin input
should be fixed high or low.
P17/TMOW
PUR17·
TMOW
PDR17
PMR17
PCR17
RD
Hi-Z
Retained Pull-up MOS:
OFF
Subactive mode:
Functions
Other modes:
Hi-Z
Retained Pull-up MOS:
OFF
Subactive mode:
Functions
Other modes:
Hi-Z
P20/SI1
PUR20·
RD
PDR20
RXE
PCR20
SI1
RXE
RXE: Input control signal determined
by SCR and SMR
Hi-Z
When SI1 is selected, pin
input should be fixed high
or low.