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Getting started with the X-NUCLEO-EEICA1 standard I2C EEPROM memory
expansion board based on M24256E-F and M24M01E-F series for STM32 Nucleo
Introduction
The
X-NUCLEO-EEICA1
expansion board is designed for
and writing.
The expansion board acts as an external storage device that can be used to store data such as manufacturing traceability,
calibration, user settings, error flags, data logs and monitoring data to make applications more flexible and accurate.
The
X-NUCLEO-EEICA1
expansion board can be plugged on top of an STM32 Nucleo-144 (via ZIO connectors) or STM32
Nucleo-64 (via Arduino® UNO R3 connectors).
UM3281 - Rev 1 - December 2023
For further information contact your local STMicroelectronics sales office.
M24256E-F
Figure 1.
X-NUCLEO-EEICA1 expansion board
and
M24M01E-F
series I²C EEPROM for data reading
UM3281
User manual
www.st.com
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Summary of Contents for ST X-NUCLEO-EEICA1
- Page 1 UM3281 User manual Getting started with the X-NUCLEO-EEICA1 standard I2C EEPROM memory expansion board based on M24256E-F and M24M01E-F series for STM32 Nucleo Introduction X-NUCLEO-EEICA1 expansion board is designed for M24256E-F M24M01E-F series I²C EEPROM for data reading and writing.
- Page 2 UM3281 Acronyms and abbreviations Acronyms and abbreviations Table 1. List of acronyms Acronym Description EEPROM Electrically erasable programmable read-only memory Megahertz Microcontroller unit I²C Inter-integrated circuit UM3281 - Rev 1 page 2/28...
- Page 3 UM3281 Getting started Getting started Overview X-NUCLEO-EEICA1 main features are: • M24256E-F: 256-Kbit serial I²C bus EEPROM with configurable device address and preprogrammed device address – 256 Kbit (32 Kbytes) of EEPROM – Page size: 64 bytes – Additional identification page –...
- Page 4 UM3281 Getting started Figure 2. X-NUCLEO-EEICA1 expansion board connected to an STM32 Nucleo development board The EEPROM communicates with the STM32 Nucleo development board host microcontroller through the I2C signals available on the Arduino UNO R3 connector. X-NUCLEO-EEICA1 has been designed to be used on any STM32 Nucleo board, although complete testing...
- Page 5 Hardware description and configuration Interconnection details X-NUCLEO- EEICA1 expansion board and the NUCLEO-F401RE, NUCLEO-L053R8, NUCLEO-G474RE NUCLEO-H743ZI board connection details are listed below. Table 3. X-NUCLEO-EEICA1 and NUCLEO-F401RE connection details (left connector) Signal name IOREF RESET Connector name CN6 Power CN8 Analog Pin number...
- Page 6 UM3281 Hardware description and configuration Table 4. X-NUCLEO-EEICA1 and NUCLEO-F401RE connection details (right connector) Signal name AREF Connector name CN5 Digital CN9 Digital Pin number NUCLEO-F401RE MCU port PB10 PA10 NUCLEO-F401RE MCU signals X-NUCLEO-EEICA1 expansion board signals UM3281 - Rev 1...
- Page 7 UM3281 Hardware description and configuration Table 5. X-NUCLEO-EEICA1 and NUCLEO-L053R8 connection details (left connector) Signal name IOREF RESET Connector name CN6 Power CN8 Analog Pin number NUCLEO- L053R8 MCU port PC1/PB PC0/PB NUCLEO- L053R8 MCU signals X-NUCLEO-EEICA1 expansion board signals...
- Page 8 UM3281 Hardware description and configuration Table 6. X-NUCLEO-EEICA1 and NUCLEO- L053R8 connection details (right connector) Signal name AREF Connector name CN5 Digital CN9 Digital Pin number NUCLEO- L053R8 MCU port PB10 PA10 NUCLEO- L053R8 MCU signals X-NUCLEO-EEICA1 expansion board signals...
- Page 9 UM3281 Hardware description and configuration Table 7. X-NUCLEO-EEICA1 and NUCLEO-G474RE connection details (left connector) Signal name IOREF RESET Connector name CN6 Power CN8 Analog Pin number NUCLEO- G474RE MCU port PC1/PB PC0/PB NUCLEO- G474RE MCU signals RESET X-NUCLEO-EEICA1 expansion board signals...
- Page 10 UM3281 Hardware description and configuration Table 8. X-NUCLEO-EEICA1 and NUCLEO- G474RE connection details (right connector) Signal name AREF Connector name CN5 Digital CN9 Digital Pin number NUCLEO- G474RE MCU port PB10 PA10 NUCLEO- G474RE MCU signals X-NUCLEO-EEICA1 expansion board signals...
- Page 11 UM3281 Hardware description and configuration Table 9. X-NUCLEO-EEICA1 and NUCLEO- H743ZI connection details (left connector) Signal name IOREF RESET Connector name CN8 Power CN9 Analog Pin number NUCLEO- H743ZI MCU port PC2/PB PF10/P NUCLEO- H743ZI MCU signals X-NUCLEO-EEICA1 expansion board signals...
- Page 12 UM3281 Hardware description and configuration Table 10. X-NUCLEO-EEICA1 and NUCLEO- H743ZI connection details (right connector) Signal name AVDD AVDD Connector name CN10 Pin number NUCLEO- H743ZI MCU port AVDD AVDD PD14 PD15 PF12 PF13 PE11 PF14 PE13 PF15 PG14 NUCLEO- H743ZI MCU signals...
- Page 13 UM3281 Hardware description and configuration X-NUCLEO-EEICA1 component placement details Figure 3. X-NUCLEO-EEICA1 component placement details Figure 4. X-NUCLEO-EEICA1 top view layout UM3281 - Rev 1 page 13/28...
- Page 14 UM3281 Hardware description and configuration Figure 5. X-NUCLEO-EEICA1 bottom view layout UM3281 - Rev 1 page 14/28...
- Page 15 UM3281 Component description Component description M24256E-F Table 11. M24256E-F details Feature Description Sales type M24256E-F Package FMN6TP Single supply voltage 1.6 to 5.5 V (ambient operating temperature) M24M01E-F Table 12. M24M01E-F details Feature Description Sales type M24M01E-F Package FMN6TP Single supply voltage 1.6 to 5.5 V (ambient operating temperature) UM3281 - Rev 1 page 15/28...
- Page 16 UM3281 External EEPROMs External EEPROMs You can easily solder a specific I2C EEPROM density to be used with the X-NUCLEO-EEICA1 expansion board. Figure 6. External I2C EEPROM provision on X-NUCLEO-EEICA1 expansion board UM3281 - Rev 1 page 16/28...
- Page 17 Schematic diagrams Figure 7. X-NUCLEO-EEICA1 circuit schematic (1 of 4) CN10 S CL S DA AREF RES ET...
- Page 18 Figure 8. X-NUCLEO-EEICA1 circuit schematic (2 of 4) J R1 S HUNT 2.54 m m . M24_VCC1 M24_VCC1 100nF J R2 M24_WC1 4.7K S HUNT 2.54 m m . M24_I2C_S CL M24_VCC S CL M24_I2C_S DA M24_VCC2 VS S S DA...
- Page 19 Figure 9. X-NUCLEO-EEICA1 circuit schematic (3 of 4) M24_I2C_S CL S CL S CL M24_I2C_S DA IOREF S DA IOREF S DA RES ET AREF RES ET AREF S CK/D13 GND1 MIS O/D12 GND2 MOS I/P WM/D11 P WM/D10 P WM/D9...
- Page 20 Figure 10. X-NUCLEO-EEICA1 circuit schematic (4 of 4)
- Page 21 UM3281 Bill of materials Bill of materials Table 13. X-NUCLEO-EEICA1 bill of material Item Q.ty Ref. Part/value Description Manufacturer Order code CAP CER C1 C2 C3 100nF 0.1UF 16V X7R KEMET C0603C104K4RACTU 0603 CONN CON10 SOCKET Samtec Inc. SSQ-110-03-G-S 10POS...
- Page 22 UM3281 Board versions Board versions Table 14. X-NUCLEO-EEICA1 versions Finished good Schematic diagrams Bill of materials X$NUCLEO-EEICA1A X$NUCLEO-EEICA1 schematic diagrams X$NUCLEO-EEICA1 bill of materials 1. This code identifies the X-NUCLEO-EEICA1 evaluation board first version. UM3281 - Rev 1 page 22/28...
- Page 23 UM3281 Regulatory compliance information Regulatory compliance information Notice for US Federal Communication Commission (FCC) For evaluation only; not FCC approved for resale FCC NOTICE - This kit is designed to allow: (1) Product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and (2) Software developers to write software applications for use with the end product.
- Page 24 UM3281 Revision history Table 15. Document revision history Date Revision Changes 21-Dec-2023 Initial release. UM3281 - Rev 1 page 24/28...
- Page 25 Current measurement............12 X-NUCLEO-EEICA1 component placement details ....... . . 13 Component description .
- Page 26 X-NUCLEO-EEICA1 jumper settings ............4 Table 3. X-NUCLEO-EEICA1 and NUCLEO-F401RE connection details (left connector) ......5 Table 4.
- Page 27 X-NUCLEO-EEICA1 bottom view layout..........14 Figure 6. External I2C EEPROM provision on X-NUCLEO-EEICA1 expansion board ......16 Figure 7.
- Page 28 ST’s terms and conditions of sale in place at the time of order acknowledgment. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of purchasers’...
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