Rev. 1.0, 02/00, page 1119 of 1141
Pin States
Pin Names
Circuit Diagram
At Reset
Sleep
Mode
Power-Down
Modes Other
Than Sleep
Mode
Hi-Z
Retained Pull-up MOS:
OFF
Subactive mode:
Functions
Other modes:
Hi-Z
P23/SDA1
P24/SCL1
P25/SDA0
P26/SCL0
PUR2n ·
SDA/SCL
PDR2n
IICE
PCR2n
RD
IICE
SDA/SCL
IICE = I
2
C bus enable signal
n = 3, 4, 5, 6
As SDA and SCL always function, a
high level or a low level should
always be input to the pins.
Hi-Z
Retained Pull-up MOS:
OFF
Subactive mode:
Functions
Other modes:
Hi-Z
P27/SYNCI
PUR27 ·
PDR27
RD
PCR27
SYNCI
As SYNCI always functions, a high
level or a low level should always be
input to the pin.