STEVAL-SCM001V1

STEVAL-SCM001V1 RTC dongle demonstration board based on the M41T62 and ST72651AR6 Data Brief Features ■ Small mechanical size: 65 mm X 22 mm, with a USB connector ■ User-friendly GUI (graphical user interface), allowing the user to: – directly monitor/control RTC parameters – switch between various application modes (RTC/mass storage) – select the voltage supply of the RTC (ST72651AR6 regulator/capacitor) – access a help window to explain all GUI operations STEVAL-SCM001V1 Description The STEVAL-SCM001V1 RTC dongle demonstrates all the features of STMicroelectronics’ M41T62 serial access RTC (real-time clock), as well as the mass storage capability using the ST7 USB. The demonstration board also demonstrates the RTC operation using a capacitor or the ST7 MCU regulator as a supply. July 2008 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 R4 1.5k IN 4868 D1 C6 100nF C12 4.7µ F C7 100nF V ddf USB CON USB_V CC USB_D USB_D + USB_GN D 1 2 3 4 1 2 3 4 5 6 I CP ICC J2 USB _5V D0 D1 D2 D3 D4 D5 V DD ICCDATA ICCCLK RESET V PP GND V DD 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GN D 1 10k R17 ST 7265 PB0 / D 0 PB1 / D 1 PB2 / D 2 PB3 / D 3 PB4 / D 4 PB5 / D 5 USBD M USBD P USBV CC USBV dd V ddf V ssf U1 12M H z 100nF C3 ST7265F PB 6 / D 6 PB 7 / D 7 PA 0/SM C_CL E/CF_A 0 PA 1/SM C_W E/CF_A 1 PA 2/SM C_A L E/CF_A 2 PA 3/SM C_RE/CF_RE PA 4 / SM C_R/B D6 D7 PA 0 PA 1 PA 2 PA 3 SM C_RB J1 C2 33pF OSCOU T OSCIN V ss2 V ssa V dda V dd2 PF6/ICCD A T A PF5/ICCCL K C1 33pF X T1 TP1 PF2 SD A SCL RESET V PP V dd1 C10 10µ F-10V 10k R1 GN D V DD V CC ICCD A TA ICCCL K JP1 PA 7 PA 7 V ddf 1 V CC 2 1 2 SD A SCL RESET V PP 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 R15 10K GN D 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 V DD USB_5V PD 3 PD 2 PD 1 PD 0 PC7 PC6 PC5 PC4 PE0 (H S) PE2 (H S) R2 4k7 USB_5V VDD 1 48 47 46 45 N A N D _CE1 44 43 42 41 40 L ED 1 39 L ED 2 38 L ED 3 37 L ED 4 36 35 L ED 5 34 33 L ED 6 SW -PB 100nF S1 C4 OPTION A L IN 4148 D2 2 SD A R11 SCL R12 R18 R13 LD6 LD4 L ED 4 L ED 6 LD3 L ED 3 LD5 LD2 L ED 2 L ED 5 LD1 L ED 1 10k SCL -1 10k SD A -1 100E SD A -1 100E SCL -1 L ED L ED 470E R16 470E R10 470E R9 470E L ED L ED 470E R8 L ED R7 470E R5 USB_5V V ddf C5 100nF 6pF C9 6pF OPTION A L C8 R6 4.7k C11 4.7µ F PA 0 PA 2 PA 1 PA 7 V ddf TP2 N A N D _FL A SH 1 NC NC NC NC NC #SE #R/B #RE #CE NC NC V CC V SS NC NC CL E ALE #W E #W P NC NC NC NC NC U2 NC NC NC NC I/O 7 I/O 6 I/O 5 I/O 4 NC NC NC V CC V SS NC NC NC I/O 3 I/O 2 I/O 1 I/O 0 NC NC NC NC 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 GN D 1 2 3 4 NC XI IRQ/OUT XO SCL V SS M 41T62 SD A SQW U4 RT C R14 4k7 V CC D3 D2 D1 D0 D7 D6 D5 D4 12 11 10 SCL -1 9 SD A -1 O n B oar d Flash 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 32.768K H z X T2 SM C_RB PA 3 N A N D _CE1 R3 4.7K V CC 16 15 14 13 NC NC V CC NC 2/4 V SS NC NC NC TP3 V CC C13 680uF C13B ? Figure 1. 5 6 7 8 1 GN D Circuit schematic STEVAL-SCM001V1 Circuit schematic Schematic diagram AM00645v1 STEVAL-SCM001V1 2 Revision history Revision history Table 1. Document revision history Date Revision 30-Jun-2008 1 Changes Initial release. 3/4 STEVAL-SCM001V1 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. 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