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Philips Semiconductors
Preliminary User Manual
ARM-based Microcontroller
LPC2119/2129/2292/2294
ARCHITECTURE
clk32k
Reference Clock Divider
(Prescaler)
Clock
Generator
Strobe
Clk1
CCLK
Time
Comparators
Alarm
Counters
Registers
Counter Increment
Counter
Alarm Mask
Enables
Register
Interrupt Enable
Interrupt Generator
Figure 43: RTC block diagram
REGISTER DESCRIPTION
The RTC includes a number of registers. The address space is split into four sections by functionality. The first eight addresses
are the Miscellaneous Register Group. The second set of eight locations are the Time Counter Group. The third set of eight
locations contain the Alarm Register Group. The remaining registers control the Reference Clock Divider.
The Real Time Clock includes the register shown in Table 175. Detailed descriptions of the registers follow.
Real Time Clock
209
January 08, 2004
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