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Introduction
The STM8L15LPBOARD low-power demonstration board demonstrates all the STM8L15x
low-power modes, and permits the user to take consumption measurements in all modes.
Features
SWIM debug support
MCU consumption auto-measurement circuit
Function and wakeup buttons
32.768 kHz quartz
MCU pins connector
Figure 1.
September 2009
www.BDTIC.com/ST
The STM8L15LPBOARD
Doc ID 16160 Rev 2
User Manual
STM8L15LPBOARD
low-power demonstration board
UM0774
1/9
www.st.com
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Summary of Contents for ST STM8L15LPBOARD
- Page 1 UM0774 User Manual STM8L15LPBOARD low-power demonstration board Introduction The STM8L15LPBOARD low-power demonstration board demonstrates all the STM8L15x low-power modes, and permits the user to take consumption measurements in all modes. Features SWIM debug support MCU consumption auto-measurement circuit Function and wakeup buttons 32.768 kHz quartz...
- Page 2 Hardware layout STM8L15LPBOARD Hardware layout Figure 2. STM8L15LPBOARD board layout: top view Function button Wakeup button auto_measurement jumper JP1 Supply jumper SWIM connector Connector CN1 Doc ID 16160 Rev 2 www.BDTIC.com/ST...
- Page 3 STM8L15LPBOARD Hardware layout Figure 3. STM8L15LPBOARD board layout: bottom view Doc ID 16160 Rev 2 www.BDTIC.com/ST...
- Page 4 Overview STM8L15LPBOARD Overview Power supply (JP1, JP3) The STM8L15LPBOARD is powered by a lithium battery CR2032 when jumper JP3 is closed. Depending on the JP1 position, the MCU consumption auto-measurement circuit can be used. Table 1. JP1 setting JP1 position...
- Page 5 STM8L15LPBOARD Overview I/O access connector (CN1) The CN1 connector provides access to VDD, GND, RESET and 8 STM8L15LPBOARD I/Os. The table below gives the CN1 I/O pIn connections. Table 2. I/O connections PA1-RESET 11-22 Doc ID 16160 Rev 2 www.BDTIC.com/ST...
- Page 6 Overview STM8L15LPBOARD MCU consumption auto-measurement circuit (JP1) For IDD measurement the circuit below is implemented on the STM8L15LPBOARD. This circuit requires jumper JP1 to be connected between pins 2 and 3. Figure 4. IDD measurement circuit Table 3. IDD measurement circuit pinout...
- Page 7 STM8L15LPBOARD Demonstration Demonstration The jumper JP1 must be in the required position before launching the demo: if automatic consumption measurement is not used, JP1 must be between pins 1 and if automatic consumption measurement is used, JP1 must be between pins 2 and 3.
- Page 8 Q13 changed to Q12, 100 ms changed to 300 ms. Chapter 3 : removed sentence "After 1 minute with no action, the 18-Sep-2009 STM8L15LPBOARD goes into Halt mode automatically". Section 3.2 : mode 5 description modified. Doc ID 16160 Rev 2...
- Page 9 No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.
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