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參數(shù)資料
| 型號(hào)： | C164SM |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 16-Bit Single-Chip Microcontrol ler |
| 中文描述： | 16位單芯片Microcontrol萊爾 |
| 文件頁數(shù)： | 28/68頁 |
| 文件大小： | 1107K |
| 代理商： | C164SM |
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C164CM
C164SM
Data Sheet
24
V1.0, 2001-05
Real Time Clock
The Real Time Clock (RTC) module of the C164CM 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 (
f
RTC
=
f
OSC
/32)
and is therefore independent from the selected clock generation mode of the C164CM.
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 7
RTC Block Diagram
Note: The registers associated with the RTC are not affected by a reset in order to
maintain the correct system time even when intermediate resets are executed.
MCD04432
T14REL
T14
8:1
RTC
f
RTCL
RTCH
Interrupt
Request
Reload
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