Solvline Eddy DK - Manual (Page 57)

Eddy DK Programmer Guide
57
2.5.6 RTC
- We used D1340 which is connected I2C interface.
- In DS1340, you must use crystal of load capacitance = 12.5pF (Refer to bellow Crystal spec)
- You have to confirm Crystal spec because some RTC Chips have different spec
- We used CR2032 (235mAh) Lithium with Backup Battery
DS1340 Crystal Specifications
Parameter Symbol MIN TYP MAX Units
Normal Frequency fo 32.768 KHz
Series Resistance ESR 45,60 KΩ
Load Capacitance CL 12.5 pF
2.5.7 Temp Sensor
we used LM50(National) to AD0(PC0)