參數(shù)資料
型號: C161PI
廠商: INFINEON TECHNOLOGIES AG
元件分類: DC/DC變換器
英文描述: RSD Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 3.3V; Power: 1W; 1kVDC and 3kVDC Isolation Options; Approved for Medical Applications; Suitable for Automated Assembly; 8, 10 and 12 pin Pinning Style Options; Optional Continuous Short Circuit Protected; Efficiency to 85%
中文描述: 16位單片機
文件頁數(shù): 26/82頁
文件大?。?/td> 991K
代理商: C161PI
&3,
Data Sheet
24
1999-07
Real Time Clock
The Real Time Clock (RTC) module of the C161PI 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 (
I
RTC
=
I
OSC
/ 32) and is
therefore independent from the selected clock generation mode of the C161PI. All timers
count up.
The RTC module can be used for different purposes:
System clock to determine the current time and date
Cyclic time based interrupt
48-bit timer for long term measurements
Figure 8
RTC Block Diagram
Note: The registers associated with the RTC are not effected by a reset in order to
maintain the correct system time even when intermediate resets are executed.
RTCL
RTCL
T14
T14REL
8:1
f
RTC
Reload
Interrupt
Request
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