Epson RX4111CE - Terminal Description; Terminal Connections; Pin Functions; Table 1 Pin Description

3. Terminal Description

RX4111CE Jump to Top / Bottom
ETM62E-02 Seiko Epson Corporation 6

3.1. Terminal Connections
RX4111CE
1.
V
DD
10.
/INT
2.
V
BAT
9.
GND
3.
DI
8.
V
IO
4.
FOUT
7.
CE
5.
CLK
6.
DO
Figure 3 Package Pin Layout
3.2. Pin Functions
Table 1 Pin Description
Signal
name
I/O
Function
CE
Input



CLK
Input
Serial clock input pin (SCLK)
DI
Input

DO
Output

FOUT
Output



/INT
Open-Drain
Output
This pin is used to output alarm signals, timer signals, time update signals, and other
signals. This pin is an N-ch open drain
V
DD




V
IO



V
BAT




GND

Ground pin
Note:

DD
and GND.
For the input terminals, it is permitted for the input to be 5.5 V regardless of the V
IO
voltage.
For the Open-Drain pin, it is permitted for the pull-up to be 5.5 V regardless of the V
IO
voltage.
When FOUT or INT is not used, be left open in these pins. It doesn't need pull-Up/Down resistor.