4.5 Kit Modifications

ATtiny817 Xplained Pro has several resistors that can be used to disconnect I/O pins of the ATtiny817 from connectors and on-board ICs and to disconnect power signals.

Info: Note that some resistors aren't mounted by default on the kit. They are listed in the table below.
Table 4-13. Kit Modifications
DesignatorValueMountedFromToComment
J100cut-strapN/AVCC_P3V3VCC_P3V3_CM_INATtiny817, peripherals, and connectors power supply
R1070RYesU100 OUTVCC_CM_P3V3XAM power supply
R1080RYesU100 OUTVCC_EDBG_P3V3EDBG power supply
R30210kYesQT BTN1PA6 AIN6On-board QTouch buttons to the ATtiny817
R30510kYesQT BTN2PA7 AIN7
R3070RYesPB2 UART TXDPB2EDBG CDC and UART on extension headers to the ATtiny817
R3080RYesPB3 UART RXDPB3
R3090RYesSW1PC5Mechanical button SW1
R3120RNoPB3 TOSC1PB332.768 kHz crystal to the ATtiny817
R3130RNoPB2 TOSC2PB2
R4040RYesEDBG UPDIPA0 UDPI RSTDebug interface from the EDBG to the ATtiny817
R4060RYesEDBG CDC RXPB2 UART TXEDBG CDC and DGI interfaces to the ATtiny817
R4070RYesEDBG I2C SDAPA1 I2C SDA
R4080RYesEDBG I2C SCLPA2 I2C SCL
R414330RYesEDBG CDC TXPB3 UART RX
R4150RYesEDBG SPI MOSIPC2 SPI MOSI
R416330RYesEDBG DGI_GPIO0PB5 GPIO
R417330RYesEDBG DGI_GPIO1PB6 IRQ GPIO
R420330RYesEDBG SPI MISOPC1 SPI MISO
R4250RYesEDBG SPI SCKPC0 SPI SCK
R4260RYesEDBG SSPC4 SPI SS
Figure 4-4. Assembly Drawing, Top
Figure 4-5. Assembly Drawing, Bottom