RV-3029 Datasheet, PDF (20/67 Pages) MICORO CRYSTAL SWITZERLAND – DTCXO Temperature Compensated Real Time Clock

Micro Crystal
DTCXO Temperature Compensated Real Time Clock / Calendar Module
RV-3029
3.8.4.XTAL TURNOVER TEMPERATUR COEFFICIENT T0 (address 33h…bits description)
Address
33h
Function
XTAL T0
Bit 7
x
Bit 6
x
Bit 5
32
Bit 4
16
Bit 3
8
Bit 2
4
Bit 1
2
Bit 0
1
Bit
7 to 6
5 to 0
Symbol
x
XTAL T0¹⁾
Value
-
4 to 67
Description
Unused
XTAL’s Turnover Temperature in °C
Reference
See section 5.2.2.
1) _{The XTAL T0 register value is factory programmed according to the crystal parameters over temperature. For best time-accuracy, the}
content of this register must not be changed by the user.
3.9. RAM DATA PAGE REGISTER FUNCTION
The RAM Data Page contains 8 RAM registers for user’s application.
User RAM Data Registers (addresses 38h to 3Fh…bits description)
Address
Function
Bit 7
Bit 6
Bit 5
Bit 4
38h
RAM User
---
---
3Fh
RAM User
128
64
32
16
128
64
32
16
128
64
32
16
Bit 3
8
8
8
Bit 2
4
4
4
Address
38h
---
3Fh
Symbol
RAM User
---
RAM User
Value
0 to 255
---
0 to 255
RAM User Data (8 Bytes)
Description
Bit 1
2
2
2
Bit 0
1
1
1
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