sab-c161s-l25m Infineon Technologies Corporation, sab-c161s-l25m Datasheet - Page 25

• Manufacturer Part Number: sab-c161s-l25m
• Description: 16-bit Single-chip Microcontroller
• Manufacturer: Infineon Technologies Corporation

3.5
The Real Time Clock (RTC) module of the C161S consists of a chain of 3 divider blocks,
a fixed 8:1 divider, the reloadable 16-bit timer T14, and the 32-bit RTC timer (accessible
via registers RTCH and RTCL). The RTC module is directly clocked with the on-chip
oscillator frequency divided by 32 via a separate clock driver (
therefore independent from the selected clock generation mode of the C161S. All timers
count up.
The RTC module can be used for different purposes:
•
•
•
Figure 7
Note: The registers associated with the RTC are not affected by a reset in order to
Data Sheet
System clock to determine the current time and date
Cyclic time based interrupt
48-bit timer for long term measurements
maintain the correct system time even when intermediate resets are executed.
Real Time Clock
RTC Block Diagram
Reload
T14REL
RTCH
T14
21
RTCL
8:1
Functional Description
f
RTC
f
RTC
Interrupt
Request
MCD04432
=
f
OSC
V1.0, 2003-11
/32) and is
C161S