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Page xix of liv
15.3.15
Year Alarm Register (RYRAR) ........................................................................ 737
15.3.16
Control Register 1 (RCR1) ............................................................................... 738
15.3.17
Control Register 2 (RCR2) ............................................................................... 740
15.3.18
Control Register 3 (RCR3) ............................................................................... 742
15.3.19
Control Register 5 (RCR5) ............................................................................... 743
15.3.20
Frequency Register H/L (RFRH/L) .................................................................. 744
15.4
Operation .......................................................................................................................... 746
15.4.1
Initial Settings of Registers after Power-On ..................................................... 746
15.4.2
Setting Time...................................................................................................... 746
15.4.3
Reading Time.................................................................................................... 747
15.4.4
Alarm Function ................................................................................................. 748
15.5
Usage Notes ...................................................................................................................... 749
15.5.1
Register Writing during Count.......................................................................... 749
15.5.2
Use of Realtime Clock Periodic Interrupts ....................................................... 749
15.5.3
Transition to Standby Mode after Setting Register........................................... 749
15.5.4
Usage Notes when Writing to and Reading the Register .................................. 750
Section 16 Serial Communication Interface with FIFO ....................................751
16.1
Features............................................................................................................................. 751
16.2
Input/Output Pins.............................................................................................................. 754
16.3
Register Descriptions ........................................................................................................ 755
16.3.1
Receive Shift Register (SCRSR)....................................................................... 759
16.3.2
Receive FIFO Data Register (SCFRDR) .......................................................... 759
16.3.3
Transmit Shift Register (SCTSR) ..................................................................... 760
16.3.4
Transmit FIFO Data Register (SCFTDR) ......................................................... 760
16.3.5
Serial Mode Register (SCSMR)........................................................................ 761
16.3.6
Serial Control Register (SCSCR)...................................................................... 764
16.3.7
Serial Status Register (SCFSR) ........................................................................ 768
16.3.8
Bit Rate Register (SCBRR) .............................................................................. 776
16.3.9
FIFO Control Register (SCFCR) ...................................................................... 782
16.3.10
FIFO Data Count Set Register (SCFDR) .......................................................... 785
16.3.11
Serial Port Register (SCSPTR) ......................................................................... 786
16.3.12
Line Status Register (SCLSR) .......................................................................... 789
16.3.13
Serial Extension Mode Register (SCEMR)....................................................... 790
16.4
Operation .......................................................................................................................... 791
16.4.1
Overview........................................................................................................... 791
16.4.2
Operation in Asynchronous Mode .................................................................... 794
16.4.3
Operation in Clock Synchronous Mode............................................................ 805
16.5
Interrupts........................................................................................................................... 814
16.6
Usage Notes ...................................................................................................................... 815