PCD3316T NXP Semiconductors, PCD3316T Datasheet - Page 10
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PCD3316T
Manufacturer Part Number
PCD3316T
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PCD3316T.pdf
(30 pages)
Specifications of PCD3316T
Process Technology
CMOS
Operating Frequency (max)
3580kHz
Mounting
Surface Mount
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Philips Semiconductors
9397 750 04824
Product specification
7.12.1 Characteristics of the I
7.11 32 kHz oscillator
7.12 Serial interface
The 32.768 kHz oscillator is enabled permanently and is used to generate either a
1 second or 1 minute interrupt. The 32.768 kHz clock is also used for the ‘Ring or
polarity change detector’, the ‘Low battery detection’ and the ‘Level detect’ function.
An external 32.768 kHz signal may be applied to pin LXIN while leaving pin LXOUT
not connected.
The 32 kHz oscillator requires an external 32.768 kHz quartz crystal and an external
feedback resistor (4.7 M ) between the LXIN and LXOUT pins (see
The serial interface of the PCD3316 is the I
I
and how to use it , order no. 9398 393 40011 or I
For the I
‘transmitter’, a device receiving a message is the ‘receiver’. The device that controls
the message is the ‘master’ and the devices which are controlled by the master are
called the ‘slaves’. The PCD3316 operates in the slave transmitter/receiver mode
only.
The I
modules. The two lines are a serial data line (SDA) and a serial clock line (SCL). Both
lines must be connected to a positive supply via a pull-up resistor. Data transfer may
be initiated only when the bus is not busy.
2
Fig 8. Connections of the 32 kHz oscillator.
C-bus specification, including applications, is given in the brochure: The I
2
C-bus is for bidirectional, two-line communication between different ICs or
2
C-bus configuration see
handbook, halfpage
11 March 1999
2
C-bus
LXIN
6
Figure
OSCILLATOR
32.768 kHz
32.768 kHz
4.7 M
9. A device generating a message is a
PCD3316
2
C-bus. A detailed description of the
7
LXOUT
2
C Peripherals Data Handbook IC12 .
MGK724
© Philips Electronics N.V. 1999. All rights reserved.
PCD3316
CIDCW receiver
Figure
2
8).
C-bus
10 of 30