RV-3029 Datasheet, PDF (12/67 Pages) MICORO CRYSTAL SWITZERLAND – DTCXO Temperature Compensated Real Time Clock

Micro Crystal
DTCXO Temperature Compensated Real Time Clock / Calendar Module
RV-3029
3.2.3.CONTROL_INT FLAG (address 02h…bits description)
Address
02h
Bit
7 to 5
4
3
2
1
0
Function
Control_INT Flag
Symbol
unused
SRF
V2IF
V1IF
TF
AF
Bit 7
X
Value
X
0
1
0
1
0
1
0
1
0
1
Bit 6
X
Bit 5
X
Bit 4
SRF
Bit 3
V2IF
Bit 2
V1IF
Description
Unused
No Self-Recovery Interrupt generated
Self-Recovery Interrupt generated if possible
deadlock is detected; clear flag to clear Interrupt
No VLOW2 Interrupt generated
VLOW2 Interrupt generated when supply voltage
drops below VLOW2 threshold
No VLOW1 Interrupt generated
VLOW1 Interrupt generated when supply voltage
drops below VLOW1 threshold
No Timer Interrupt generated
Timer Interrupt generated when Countdown Timer
value reaches zero
No Alarm Interrupt generated
Alarm Interrupt generated when Time & Date
matches Alarm setting
Bit 1
TF
Bit 0
AF
Reference
See section 4.6.
See section 4.6.
See section 4.6.
See section 4.6.
See section 4.6.
Bit positions labelled as “X” are not implemented and will return a “0” when read.
3.2.4.CONTROL_STATUS (address 03h…bits description)
Address
03h
Bit
7
6
5
4
3
2
1 to 0
Function
Control_Status
Symbol
EEbusy
unused
PON
SR
V2F
V1F
unused
Bit 7
EEbusy
Bit 6
X
Bit 5
PON
Bit 4
SR
Bit 3
V2F
Bit 2
V1F
Value
0
1
X
0
1
0
1
0
1
0
1
X
Description
EEPROM is not busy
Flag is set when EEPROM page is busy due to
“write” or automatic EEPROM refresh in progress
Unused
No Power-On Reset executed
Flag is set at Power-On, flag must be cleared by
writing “0”
No Self-Recovery Reset or System Reset has
been generated.
Flag is set when Self-Recovery Reset or System
Reset has been generated.
No VLOW2 Interrupt generated”
VLOW2 Interrupt generated when supply voltage
drops below VLOW2 threshold
No VLOW1 Interrupt generated”
VLOW1 Interrupt generated when supply voltage
drops below VLOW1 threshold
Unused
Bit 1
X
Bit 0
X
Reference
See section 4.3.
See section 4.1.
See section 4.2.1.
See section 4.6.
See section 4.6.
Bit positions labelled as “X” are not implemented and will return a “0” when read.
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