pca2125 NXP Semiconductors, pca2125 Datasheet - Page 26

• Manufacturer Part Number: pca2125
• Description: Spi Real Time Clock / Calendar Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA2125_00
Preliminary data sheet
Table 38.
[1]
Stop
New time is set by user.
1
Stop is released by user.
0
0
0
0
:
0
0
0
:
0
0
:
0
0
F
0
is clocked at 32768 Hz.
Pre-scaler
F
xx-0000000000000
xx-0000000000000
xx-1000000000000
xx-0100000000000
xx-1100000000000
:
11-1111111111110
00-0000000000001
10-0000000000001
:
11-1111111111111
00-0000000000000
:
11-1111111111110
00-0000000000001
0
F
First increment of time circuits after stop release
1
, F
2
to F
14
Rev. 00.11 — 30 January 2007
[1]
1Hz tick Time
HH:MM:SS
08:00:00
08:00:00
08:00:00
08:00:00
08:00:00
:
08:00:00
08:00:01
08:00:01
:
08:00:01
08:00:01
:
08:00:01
08:00:02
Comment
Pre-scaler is reset. Time circuits are
frozen.
Pre-scaler is now running.
0 to 1 transition of F14 increments the
time circuits.
0 to 1 transition of F14 increments the
time circuits.
SPI Real time clock / calendar
PCA2125
© NXP B.V. 2007. All rights reserved.
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