PCB Rev. 64

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Ref. Desg. Manufacturer Part Number Description Info
U1 TI Voltage Regulator. In Battery. Out 5v Triggered when Room Scanner is on
U2
U3 STM LIS3DH three axis linear accelerometer
U4 TI Voltage Regulator. In Battery. Out 3.3v (Always On.) (Note: Both U4 and U23 can be Infineon) Spec Sheethttps://www.infineon.com/dgdl/Infineon-IFX25001-DS-v01_02-en.pdf
U5
U6
U7
U8 STM STM32F100R4T6B ARM7 I/O-controller (motors, switches, etc.), with RTC and low frequency quarz (responsible for time keeping during sleep/shut off)
U9
U10
U11 MICRON MT48LC16M16A2-7E 265Mb (32MB) SDRAM
U12
U13
U14 NXP LPC3143FET180 ARM9 (main-)controller with external memory http://www.nxp.com/products/microcontrollers/arm9/LPC3143FET180.html
U15
U16
U17
U18 STM NAND128W3A2BN6F 128Mb (16MB) NAND
U19
U20
U21
U22
U23 TI Voltage Regulator. In Battery. Out 5v (Always On.) http://www.ti.com/product/LM78M

 

Ref. Desg. Description
J1 UI Board (LCD/Buttons) connector
J2 SD card header (unpopulated)
P2 UART header??? (unconfirmed)
P3 UART header??? (unconfirmed)
P9 Motor from Side brush (VR100)?
P13 Main power input
P15 Right Wheel
P16 Left Wheel

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