STEVAL-IFR003V1 RTC calibration daughterboard based on the M41T83SMY6E to be used with STEVAL-IFS012V1 Data brief Features M41T83 RTC in SOX18 package mounted on daughter card RoHS compliant Description The STEVAL-IFR003V1 is an RTC calibration demonstration daughter card to be used in connection with STEVAL-IFS012V1, a multi- device temperature sensor demonstration motherboard. STEVAL-IFS012V1 supports the demonstration of four RTCs M41T81S RTC mounted on motherboard, M41T82 (SO-8 STEVAL-IFR003V1 package) mounted on separate STEVAL- IFR001V1 daughter card, M41T83(QFN package) mounted on separate STEVAL-IFR002V1 daughter card, and M41T83 (SOX18 package) mounted on separate STEVAL-IFR003V1 daughter card. RTC mode of the GUI is chosen through the RTC selection icon on the GUI. December 2010 Doc ID 18335 Rev 1 1/7 For further information contact your local STMicroelectronics sales office. www.st.com 7 Circuit schematics STEVAL-IFR003V1 1 Circuit schematics Figure 1. Schematic 1 of 5 * * * * 6 3 . 6 3 , 31 7 )21 6 , + 4 6 . 2 3 4 ).24 04 6 . 0 &2 % 1 ) . // 00 // 00 - ,% /. 8 - 4 3 3/ 6 . 6 &&NN 6 2 2 2 2 2 2 2 2 63 3 K K K K K K KK .& .& 6 .& 63 3 .& 2 2 6 6 K K . )21 2 1 44 ** 3 4 . 6 5 31 7 0 & 2 %1 ) . 317 /425 14& 3 , T 6BA 3 , 3 63 3 3 33 // 8 8 . & & - V 2/7 Doc ID 18335 Rev 1 ) 2 ) 5 5