P-NUCLEO-USB001 system architecture P-NUCLEO-USB001
4/7 DocID029202 Rev 2
The USB-C and Power Delivery expansion board includes:
• Two DRP USB Type-C
™
ports with:
– Discrete analog front-end PHY for USB Type-C
™
configuration and management
(Rp, Rd, switches)
– Voltage and current sensing
– Dead Battery Management
– EMI filters
• Dedicated power connector to interface with an external power supply (not included) to
provide different profiles and V
CONN
(5 V)
• On-board power management able to provide internal supply voltages
• Six-status control LEDs
• USB 2.0 interface capability available on Port 0 only acting as UFP
• RoHS compliant
• PCB type and size:
– Material of PCB: FR4
– Four-layer layout
• Copper thickness: 35 µm
– Total dimensions of the expansion board: 74 mm x 98 mm
Note: The integrated Rp value is 4.7 Kohm at 3.3 V to advertise current capability of 3 A at 5 V.
User has to change it according to power supply option capabilities.
NUCLEO-F072RB board includes:
• An STM32F072RBT6 32-bit microcontroller based on ARM
®
Cortex
®
-M0 with 128
Kbytes of Flash memory,16 Kbytes of SRAM, USB 2.0 FS data interface in LQFP64
package
• Two types of extension resources:
–Arduino
™
Uno Revision 3 connectivity
– STMicroelectronics ST morpho extension pin headers for full access to all STM32
I/Os
• On-board ST-LINK/V2-1 debugger/programmer with SWD connector
– selection-mode switch to use the pack as a standalone ST-LINK/V2-1
• Flexible board power supply:
– USB V
BUS
on Type-B connector or external source
– Power management access point
• Three LEDs:
– USB communication (LD1), user LED (LD2), power LED (LD3)
• Two push-buttons: USER and RESET
