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RA8804 CE
3. Terminal description
3.1. Terminal connections
3.2. Pin Functions
Signal
I/O
name
SDA
I/O
SCL
Input
FOUT
Output
FOE
Input
/ INT
Output
EVIN
Input
SOUT
Output
V
DD
GND
T2
Note: Be sure to connect a bypass capacitor rated at least 0.1 μF between V
RA8804CE
1. FOE
2. V
DD
3. EVIN
4. FOUT
5. SCL
This pin's signal is used for input and output of address, data, and ACK bits, synchronized
with the serial clock used for I
Since the SDA pin is an N-ch open drain pin during output, be sure to connect a suitable
pull-up resistance relative to the signal line capacity.
This is the serial clock input pin for I
This is the C-MOS output pin with output control provided via the FOE pin.
When FOE ="H"(high level), this pin outputs a 32.768 kHz signal. (depend on FSEL bit)
When output is stopped, the FOUT pin = Hi-Z (high impedance).
This is an input pin used to control the output mode of the FOUT pin.
When this pin's level is high, the FOUT pin is in output mode. When it is low, output via the
FOUT pin is stopped.
This pin is used to output alarm signals, timer signals, time update signals, and other signals.
This pin is an open drain pin.
Trigger input terminal for time-stamps. Built in disconnectable Pull-up resistor.
SOUT is push-pull for the inside state output.
SOUT outputs state of a specified flag bit or selected logical 1 or 0.
This pin is connected to a positive power supply.
This pin is connected to a ground.
Use only for testing in the factory.
(Do not connect externally.)
Page - 2
10. / INT
9. GND
8. T2
7. SDA
6. SOUT
Function
2
C communications.
2
C Bus communications.
and GND.
DD
ETM60E-02
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