sak-xc167ci-32f40f-bb-a Infineon Technologies Corporation, sak-xc167ci-32f40f-bb-a Datasheet - Page 44
sak-xc167ci-32f40f-bb-a
Manufacturer Part Number
sak-xc167ci-32f40f-bb-a
Description
16-bit Single-chip Microcontroller
Manufacturer
Infineon Technologies Corporation
Datasheet
1.SAK-XC167CI-32F40F-BB-A.pdf
(90 pages)
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3.9
The Real Time Clock (RTC) module of the XC167 is directly clocked via a separate clock
driver either with the on-chip auxiliary oscillator frequency (
prescaled on-chip main oscillator frequency (
from the selected clock generation mode of the XC167.
The RTC basically consists of a chain of divider blocks:
•
•
•
All timers count up. Each timer can generate an interrupt request. All requests are
combined to a common node request.
Figure 9
Note: The registers associated with the RTC are not affected by a reset in order to
Data Sheet
f
f
a selectable 8:1 divider (on - off)
the reloadable 16-bit timer T14
the 32-bit RTC timer block (accessible via registers RTCH and RTCL), made of:
– a reloadable 10-bit timer
– a reloadable 6-bit timer
– a reloadable 6-bit timer
– a reloadable 10-bit timer
RTC
CNT
maintain the correct system time even when intermediate resets are executed.
RUN
Real Time Clock
T14-Register
RTC Block Diagram
T14REL
:
8
T14
PRE
MUX
10 Bits
10 Bits
42
CNT
INT0
f
RTC
Interrupt Sub Node
=
6 Bits
6 Bits
CNT-Register
f
REL-Register
OSCm
CNT
INT1
/32). It is therefore independent
6 Bits
6 Bits
f
Functional Description
RTC
CNT
INT2
=
f
OSCa
10 Bits
10 Bits
XC167CI-16F
Derivatives
CNT
INT3
MCB05568
) or with the
V1.3, 2006-08
RTCINT
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