4D product information for

Battery backed Real Time Clock (RTC) for PandaBoard with pins for Expansion Connector A & B

Image of Battery backed Real Time Clock (RTC) for PandaBoard with pins for Expansion Connector A & B
Extra image of Battery backed Real Time Clock (RTC) for PandaBoard with pins for Expansion Connector A & B
Product Title: Battery backed Real Time Clock (RTC) for PandaBoard with pins for Expansion Connector A & B
Manufacturer/Publisher: 4D
Stock Code: 4D-PANDA-RTCPINS
QuickCode: 17660
Format: Hardware
Product Group: Pandaboard, Titanium & IGEPv5 systems & Accessories
Condition: New
Availability: Usually available from stock

Description:
A plug-in battery backed-up Real Time Clock module for the PandaBoard & Pandaboard ES. Includes pins for soldering into Expansion Connector A & B.

Specifications:
Real Time Clock chip: Maxim DS1338
Cell (Battery): CR1220
Crystal Accuracy: 20ppm (better than 1 minute a month)
Battery Capacity: Approximately five years.
Suitable for original PandaBoard & PandaBoard ES.
Plugs into 'Expansion connector A'

Includes:
Real Time Clock Module
CR1220 Battery (unfitted)
Fitting Instructions

Linux Software:
The standard DS1307 RTC driver will work with the module

RISC OS support:
RISC OS support for the RTC is built in.

Trade and volume enquiries welcome.

More information:
The RTC board has been designed so that as much of the expansion header is available as possible with a mixture of direct accessibility and pass through.

The board plugs into pins 1-6 and 23-28
Pins 7-22 can be accessed by plugging in connectors of the type reset switches normally use.
The pass through/ancillary connector (J3) on our board has:
1 GND
2 SDA (level shifted to 5V)
3 SCL (level shifted to 5V)
4 5V
5 SQW/OUT from clock (DS1338) at 5V level
6
7 Pin 3 (GPMC_AD7/SDMMC2_DAT7) via a 150R/Q1 for possible filing system activity LED (active low)
8 5V for GPIO LED if in use

We have fitted the board inside a Tigal case and being 1.1" high it is no higher than the USB/Network socket so should also fit other cases including Special Computing's acrylic case.

Price: £47.00 no VAT to pay!
Free UK delivery on orders of £10 or more! (exceptions apply)

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Items marked S/H are secondhand and have a 3 month warranty
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Last updated: Fri, 15 Sep 2017