Epson RX8111CE User Manual

RX8111CE
Page − 62
ETM61E-01
Table 67 EVDET bit (Enable VDET) .................................................................................................................................... 47
Table 68 EVLOW bit (Enable VLOW) .................................................................................................................................. 47
Table 69 EXST bit (Enable X’tal Oscillation Stop) ................................................................................................................ 47
Table 70 TSRAM bit (Time Stamp Clear) ............................................................................................................................. 48
Table 71 TSCLR bit (Time Stamp Clear) ............................................................................................................................. 48
Table 72 EISEL bit (Event Interrupt Select) .......................................................................................................................... 48
Table 73 TSFUL bit (Time Stamp Full)................................................................................................................................. 49
Table 74 TSEMP bit (Time Stamp Empty) ........................................................................................................................... 49
Table 75 TSDA bit (Time Stamp Address) ........................................................................................................................... 49
17. Figures
Figure 1 Block Diagram ........................................................................................................................................................ 2
Figure 2 Package Pin layout ................................................................................................................................................. 3
Figure 3 Connection example 1 ............................................................................................................................................. 4
Figure 4 Connection example 2 ............................................................................................................................................. 4
Figure 5 Connection example3 .............................................................................................................................................. 4
Figure 6 Connection Example 4 ............................................................................................................................................ 4
Figure 7 Connection example 5 ............................................................................................................................................. 5
Figure 8 External dimensions ................................................................................................................................................ 6
Figure 9 Marking Layout ....................................................................................................................................................... 6
Figure 10 Chargeable current characteristics of V
BAT
............................................................................................................. 9
Figure 11 Chargeable current characteristics of V
BAT
............................................................................................................. 9
Figure 12 Circuit of charge to re-chargeable Battery. ............................................................................................................. 9
Figure 13 I
2
C Timing Chart .................................................................................................................................................. 10
Figure 14 Power on Sequence ............................................................................................................................................ 11
Figure 15 Oscillation start time chart (Power initial supply) ................................................................................................... 12
Figure 16 Oscillation start time chart (Backup resume) ......................................................................................................... 12
Figure 17 Frequency vs Temperature characteristics ........................................................................................................... 13
Figure 18 Basic (32.768 kHz oscillation, counter, FOUT) Function ........................................................................................ 22
Figure 19 Wake-up timer start sequence ............................................................................................................................. 26
Figure 20 Wake-up timer block diagram .............................................................................................................................. 27
Figure 21 Wake-up timer timing chart .................................................................................................................................. 28
Figure 22 Alarm interrupt block diagram .............................................................................................................................. 31
Figure 23 Alarm interrupt timing chart .................................................................................................................................. 31
Figure 24 Time Update Interrupt block diagram ................................................................................................................... 33
Figure 25 Time Update timing chart ..................................................................................................................................... 33
Figure 26 Battery Backup switchover function block diagram................................................................................................ 36
Figure 27 Battery Backup Switchover Control (Initial power on) ............................................................................................ 37
Figure 28 Battery Backup Switchover Control (non rechargeable battery) ............................................................................. 37
Figure 29 Battery Backup Switchover Control (rechargeable battery) .................................................................................... 38
Figure 30 VDD detection (V
DET1
) SW1 intermittent operation ................................................................................................ 39
Figure 31 Time Stamp function ........................................................................................................................................... 41
Figure 32 EVIN chattering prevention function ..................................................................................................................... 43
Figure 33 Operation of OVW, pointer................................................................................................................................... 44
Figure 34 Time stamp timing by I
2
C access. ........................................................................................................................ 44
Figure 35 Time stamp stored register (1/1024 s ~ 1 s) ......................................................................................................... 45
Figure 36 Avoiding EVIN pin input event, user read time stamp data. ................................................................................... 47
Figure 37 Careful timing process when RTC internal status trigger is used for time stamp ..................................................... 48
Figure 38 Example flow (power on initialization) ................................................................................................................... 50
Figure 39 Example flow (Initialization EX1) .......................................................................................................................... 51
Figure 40 Example flow (Initialization Ex2 only clock usage) ................................................................................................ 52
Figure 41 Example flow (Setting clock, calendar) ................................................................................................................. 52
Figure 42 Example flow (Reading clock, calendar) ............................................................................................................... 52
Figure 43 Example flow (Setting wake-up timer interrupt function) ........................................................................................ 53
Figure 44 Example flow (Setting alarm interrupt function) ..................................................................................................... 53
Figure 45 Example flow (Time stamp (one time recording) ) ................................................................................................. 54
Figure 46 Example flow (Time stamp (1/1024 sec, 1/128 sec reading) ) ................................................................................ 55
Figure 47 Example flow (Time stamp (Year to 1/128 data reading) ) ..................................................................................... 56
Figure 48 I
2
C-Bus start/stop timing ...................................................................................................................................... 57
Figure 49 I
2
C-Bus connection .............................................................................................................................................. 58

Epson RX8111CE Specifications

General

Brand	Epson
Model	RX8111CE
Category	Control Unit
Language	English