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ST7 - 8-bit Microcontrollers
RTC dongle demonstration board based on the M41T62 and ST72651AR6
Data Brief
Format:
(89 kb)
or
(6 kb)
Last Updated: 10/07/2008
Pages: 4
Untitled Document
Generic Part Number
Orderable Part Number
Status
ST72651AR6
ST72F651AR6T1
Active
ST72F651AR6T1E
Active
M41T62
M41T62Q6F
Active
STEVAL-SCM001V1
STEVAL-SCM001V1
Active
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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
1/4
www.st.com 4
For further information contact your local STMicroelectronics sales office.
1
1 2
I CCD A T A I CCCL K
U SB CON
U1
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
U SB _V C C U SB _D U SB _D + U SB _G N D
GN D V DD
1 2 3 4
SD A SC L R E SE T V PP
PF 2 SD A SC L R E SE T V PP
O SC O U T O SC I N V ss2 V ssa V dda V dd2 PF 6 / I C C D A T A PF 5 / I C C C L K
1
V CC 2
PB 6 / D 6 PB 7 / D 7 PA 0 / SM C _ C L E / C F _ A 0 PA 1 / SM C _ W E / C F _ A 1 PA 2 / SM C _ A L E / C F _ A 2 PA 3 / SM C _ R E / C F _ R E PA 4 / SM C _ R / B
PA 7
V dd1
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
PA 7
GN D
D6 D7 PA 0 PA 1 PA 2 PA 3 SM C _ R B
V DD
6pF
V ddf
X T2
C9 6pF
U4
16 15 14 13
ST 7 2 6 5
R 15 10K
L ED
470E
O PT I O N A L C 8
V CC
NC NC V CC NC
V SS NC NC NC
VDD
1
I N 4148
2
R 18
10k
SC L -1
J2
RT C
1 2 3 4 5 6
V DD ICCD A TA ICCCL K R ESET V PP GN D
R 17 10k
STEVAL-SCM001V1
AM00645v1
ICC
I CP
GN D
D2
R 13
10k SD A -1
5 6 7 8
2/4
JP1
Circuit schematic
Figure 1.
U SB _5V
O PT I O N A L
U SB _5V
V CC
R1 10k
R2 4k 7
T P1
C 10 1 0 F- 1 0 V
C2
C3 100nF
C4
V ddf
C1 33pF X T 1
33pF
100nF S1
SW -PB
12M H z
R3 4 .7 K
U2
J1
C 11 4 .7 F
C5 100nF
Circuit schematic
R6 4 .7 k
SM C _ R B PA 3 N A N D _CE1
D7 D6 D5 D4
V ddf
GN D 1
Schematic diagram
R4 1 .5 k
PE 0 (H S)
ST 7265F
PA 0 PA 2 PA 1 PA 7
PE 2 (H S)
V ddf
C6 100nF
C 12 4 .7 F
U SB D M U SB D P U SB V C C U SB V dd V ddf V ssf
D1
D3 D2 D1 D0
I N 4868
L ED 1
C7 100nF
U SB _5V
LD1
R5 470E
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 NC NC NC NC NC #SE #R / B #R E #C E NC NC V CC V SS NC NC CL E ALE #W E #W P NC NC NC NC NC
N A N D _FL A SH 1
D0 D1 D2 D3 D4 D5
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
PB 0 / D 0 PB 1 / D 1 PB 2 / D 2 PB 3 / D 3 PB 4 / D 4 PB 5 / D 5
L ED 2
PD 3 PD 2 PD 1 PD 0 PC 7 PC 6 PC 5 PC 4
LD2 L ED
L ED 3
48 47 46 45 N A N D _ C E 1 44 43 42 41 40 L E D 1 39 L E D 2 38 L E D 3 37 L E D 4 36 35 L E D 5 34 33 L E D 6
R7 470E R8
470E
R9
L ED
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
O n B o a r d Flash
LD3 L ED
LD4
L ED 4
470E
R 10 470E
R 16
V CC
L ED 5
LD5 L ED
LD6
L ED 6
R 14 4k 7
3 2 .7 6 8 K H z
T P3
T P2
GN D
1 2 3 4
100E SD A -1 100E SC L -1
NC XI I R Q /O U T XO SC L V SS M 41T 62 SD A SQ W
12 11 10 SC L -1 9 SD A -1
V CC
SD A R 1 1 SC L R 1 2
C 13 6 8 0 uF
C 13B ?
U SB _5V V DD
STEVAL-SCM001V1
Revision history
2
Revision history
Table 1.
Date 30-Jun-2008
Document revision history
Revision 1 Initial release. Changes
3/4
STEVAL-SCM001V1
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Document Number: 14879
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