I2C-RTC Gravitech, I2C-RTC Datasheet - Page 3

• Manufacturer Part Number: I2C-RTC
• Description: Clock & Timer Development Tools I2C REAL-TIME CLOCK
• Manufacturer: Gravitech
• Type: RTCr

Specifications of I2C-RTC

• Rohs: yes
• Product: I2C-RTC Boards
• Tool Is For Evaluation Of: DS1340-33
• Frequency: 100 kHz to 400 kHz
• Operating Supply Voltage: 2.97 V to 5.5 V
• Dimensions: 1.05 in x 0.8 in
• Interface Type: I2C

The I2C-RTC board needs an external
2.97VDC – 5.5VDC supply.
Power:
• VCC: is an input power 2.97VDC –
• GND: is a common ground for
5.5VDC to I2C-RTC board.
every pin. This pin MUST be
connected to ground of the external
power supply.
Pin No.
Interfaces
1
2
3
4
5
6
Copyright © 2007 MicroResearch
GRAVITECH GROUP
SCL
SDA
GND
FT/OUT
NC
VCC
I2C-RTC
GND (3)
SCL (1)
SDA (2)
Name
Pin Configuration
TM
User Manual
I
2
Input
I/O
PWR
Output
NC
PWR
C Real-time Clock
Type
WWW.GRAVITECH.US
Serial clock line
Serial data line
Supply ground
Frequency Test/Output
No connect
Supply voltage
The I2C-RTC operates as a slave on the
I
SCL are required for I
to I
This pin is used to output either a 512Hz
signal or the value of the OUT bit. When
the FT bit is logic 1, the FT/OUT pin
toggles at a 512Hz rate. When the FT bit
is logic 0, the FT/OUT pin reflects the
2
FT/OUT pin:
I
C bus. Only two signal lines SDA and
2
C pins:
2
C specification for more information.
VCC (6)
NC (5)
FT/OUT (4)
Description
2
C bus. Please refer