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[FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design - FAQs related to Processor collaterals, functioning, peripherals, interface and EVM/Starter kit

Other Parts Discussed in Thread: AM62D-Q1, TMDS64EVM, SK-AM64B, TPS65220, TPS65219

Hi Board designers, 

Refer FAQs listed below related to custom board design for AM64x processor family that could be used along with other available design collaterals: 

Downloadable excel sheet for ease of use and better searchability: 3113.FAQs Master list_processor family wise.xlsx

To be able to quickly view and navigate all the published FAQs (including latest published FAQs) for all the TI processor families including custom board hardware design FAQs relevant to Sitara processor families (AM62x, AM62Ax, AM62Px, AM62D-Q1 and AM335x), a filter has been added.

The up-to-date published list of FAQs for all the TI processor families can be found at this link


To view the FAQs relevant to Sitara processor families released after the last sync, look for "custom board hardware design" phrase and published date in the listed FAQs. FAQs released before the sync date are are listed in the FAQ as a table. An excel that lists the FAQs published till the sync date is added for customers to download.

Last sync: 30th January 2025

Sl no Domain Topic FAQ Link on E2E
1 Links to Available Collaterals and Custom Board Design Getting Started  (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design – Collaterals to Get started - Processors forum - Processors - TI E2E support forums
2 Reference during Schematic design and Schematics Review (+) [FAQ] AM64x, AM62x, AM62Ax, AM62Px Custom board hardware design - Collaterals for Reference during Schematic design and Schematics Review - Processors forum - Processors - TI E2E support forums
3 Reusing EVM design files  (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design - Reusing TI EVM design files - Processors forum - Processors - TI E2E support forums
4 Information related to EVMs or SKs (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design – information related to the processor evaluation modules or starter kits - Processors forum - Processors - TI E2E support forums
5 DDR Subsystem and Device Register configuration (+) [FAQ] AM62A7 or AM62A3 Custom board hardware design – Processor DDR Subsystem and Device Register configuration - Processors forum - Processors - TI E2E support forums
6 Design and Review notes for Reuse of TMDS64EVM Schematics (+) [FAQ] AM6442 / AM6441 / AM6422 / AM6421 / AM6412 / AM6411 Custom board hardware design - Guidelines for Reuse of TMDS64EVM Schematics - Processors forum - Processors - TI E2E support forums
7 Design and review notes for Reuse of SK-AM64B Schematics (+) [FAQ] AM6442 / AM6441 / AM6422 / AM6421 / AM6412 / AM6411 Custom board hardware design - Design and review notes for Reuse of SK-AM64B Schematics - Processors forum - Processors - TI E2E support forums
8 Master (Complete) list of FAQs for all Sitara processor families (+) [FAQ] Custom board hardware design - Master (Complete) list of FAQs for all Sitara processor (AM62x, AM64x, AM243x, AM335x) families - Processors forum - Processors - TI E2E support forums
9 Queries related to SOC data sheet Pin Attributes (+) [FAQ] AM625 / AM623 / AM62A / AM62P / AM62D-Q1 / AM64x / AM243x Design Recommendations / Custom board hardware design - Queries related to SOC data sheet Pin Attributes - Processors forum - Processors - TI E2E support forums
10 Custom board schematics self-review (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411, AM243x Design Recommendations / Custom board hardware design - Custom board schematics self-review - Processors forum - Processors - TI E2E support forums
11 Schematics review checklists (+) [FAQ] AM625 / AM623 / AM62A / AM62P / AM62D-Q1 / AM64x / AM243x Design Recommendations / Custom board hardware design - Schematics review checklists - Processors forum - Processors - TI E2E support forums
12 Processor Functioning, Peripherals and Interface Bootmode implementation without buffers (+) [FAQ] AM625 / AM623 / AM644x / AM243x / AM62A / AM62P - Bootmode implementation without buffers - Processors forum - Processors - TI E2E support forums
13 Bootmode implementation with buffers (28) [FAQ] AM625 / AM623 / AM644x / AM243x / AM62A / AM62P - Bootmode implementation with buffers - Processors forum - Processors - TI E2E support forums
14 Ferrite (power supply filter) (+) [FAQ] AM625 / AM623 Custom board hardware design – Ferrite (power supply filter) recommendations for SoC supply rails - Processors forum - Processors - TI E2E support forums
15 VPP  (+) [FAQ] AM625 / AM623 / AM625SIP / AM625-Q1 / AM620-Q1 Custom board hardware design – Queries regarding VPP eFuse programming power supply selection and application - Processors forum - Processors - TI E2E support forums
16 Power sequencing between SOC (Processor) and the Attached devices (Fail-safe) (+) [FAQ] AM625/AM623 Custom board hardware design – Power sequencing between SOC (Processor) and the Attached devices (Fail-safe) - Processors forum - Processors - TI E2E support forums
17 Processor power-sequencing requirements for power-up and power-down (+) [FAQ] AM625/AM623 Custom board hardware design – Processor power-sequencing requirements for power-up and power-down - Processors forum - Processors - TI E2E support forums
18 Crystal selection (10) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design – Queries regarding Crystal selection - Processors forum - Processors - TI E2E support forums
19 I2C (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design – I2C interface - Processors forum - Processors - TI E2E support forums
20 Internal pull registers of MCU_I2C0 and WKUP_I2C0 (+) [FAQ] AM62A7-Q1: Internal pull registers of MCU_I2C0 and WKUP_I2C0 - Processors forum - Processors - TI E2E support forums
21 USB2.0 (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design – USB2.0 interface - Processors forum - Processors - TI E2E support forums
22 Ethernet (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design - Ethernet - Processors forum - Processors - TI E2E support forums
23 SERDES (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design - SERDES - SERDES0 interface - Processors forum - Processors - TI E2E support forums
24 EXTINTn pin pullup connection (+) [FAQ] AM625 / AM623 / AM625SIP / AM625-Q1/ AM620-Q1 / AM62A7 / AM62A3 / AM62P / AM62P-Q1 Custom board hardware design – EXTINTn pin pullup connection - Processors forum - Processors - TI E2E support forums
25 Design Recommendations / Commonly Observed Errors during Custom board hardware design – OSPI/QSPI MEMORY Interface (+) [FAQ] AM625 / AM623 / AM62A / AM62P Design Recommendations / Commonly Observed Errors during Custom board hardware design – OSPI/QSPI MEMORY Interface - Processors forum - Processors - TI E2E support forums
26 Common design Errors / Recommendations for Custom board hardware design – EVM / SK Schematics Design Update Note (+) [FAQ] AM64x Common design Errors / Recommendations for Custom board hardware design – EVM / SK Schematics Design Update Note - Processors forum - Processors - TI E2E support forums
27 Design Recommendations / Commonly Observed Errors during Custom board hardware design – eMMC MEMORY Interface (+) [FAQ] AM625 / AM623 / AM62A / AM62P Design Recommendations / Commonly Observed Errors during Custom board hardware design – eMMC MEMORY Interface - Processors forum - Processors - TI E2E support forums
28 Design Recommendations / Commonly Observed Errors during Custom board hardware design – SOC Unused peripherals and IOs (+) [FAQ] AM625 / AM623 / AM62A / AM62P Design Recommendations / Commonly Observed Errors during Custom board hardware design – SOC Unused peripherals and IOs - Processors forum - Processors - TI E2E support forums
29 How to handle Used / Unused Pins / Peripherals? (e.g. GPIOs, SERDES, USB, CSI, MMC (eMMC, SD-card), CSI, OLDI, DSI, ......) (+) [FAQ] AM62x, AM64x, AM243x, Custom board hardware design – How to handle Used / Unused Pins / Peripherals ? (e.g. GPIOs, SERDES, USB, CSI, MMC (eMMC, SD-card), CSI, OLDI, DSI, .....) - Processors forum - Processors - TI E2E support forums
30 Board bring up tips for Sitara devices  (+) [FAQ] Board bring up tips for Sitara devices (AM64x,AM243x, AM62x, AM62Ax, AM62Px) - Processors forum - Processors - TI E2E support forums
31 JTAG (11) [FAQ] AM625 / AM623 / AM625SIP / AM625-Q1 / AM620-Q1 / AM62A7 / AM62A3 / AM62P / AM62P-Q1/ AM6442 / AM2432 Custom board hardware design – JTAG - Processors forum - Processors - TI E2E support forums
32 POK VMON Design Recommendations (+) [FAQ] AM625 / AM623 / AM62A / AM62P / AM64x / AM243x Design Recommendations / Custom board hardware design – POK VMON - Processors forum - Processors - TI E2E support forums
33 CAP_VDDSx Design Recommendations (21) [FAQ] AM625 / AM623 / AM62A / AM62P / AM64x / AM243x Design Recommendations / Custom board hardware design – CAP_VDDSx CAP_VDDS - Processors forum - Processors - TI E2E support forums
34 SoC ROC Design Recommendations (21) [FAQ] AM625 / AM623 / AM62A / AM62P / AM64x / AM243x Design Recommendations / Custom board hardware design – SOC ROC Recommended Operating Condition - Processors forum - Processors - TI E2E support forums
35 Using DDR IBIS Models (+) [FAQ] Using DDR IBIS Models for AM64x, AM62x, AM62Ax, AM62Px - Processors forum - Processors - TI E2E support forums
36 S-parameter and IBIS model of IO-buffer (24) [FAQ] AM625 / AM623 / AM625SIP / AM625-Q1 / AM620-Q1 / AM62A7 / AM62A3 / AM62P / AM62P-Q1/ AM6442 / AM2432 Custom board hardware design – S-parameter and IBIS model of IO-buffer - Processors forum - Processors - TI E2E support forums
37 SK and EVM EXT_REFCLK1 CLKOUT0 use case and configuration (24) [FAQ] AM6422: SK and EVM EXT_REFCLK1 CLKOUT0 use case and configuration - Processors forum - Processors - TI E2E support forums
38 IBIS Model Inquiry (+) [FAQ] AM62A1-Q1: IBIS Model Inquiry - Processors forum - Processors - TI E2E support forums
39 Starter kit / EVM variants and Key components list (+) [FAQ] AM625 / AM623 / AM62A / AM62P / AM64x / AM243x Design Recommendations / Custom board hardware design - Starter kit / EVM variants and Key components list - Processors forum - Processors - TI E2E support forums
40 Dynamic Voltage Scaling (+) [FAQ] AM625 / AM623 / AM62A / AM62P / AM64x / AM243x Design Recommendations / Custom board hardware design – Dynamic Voltage Scaling - Processors forum - Processors - TI E2E support forums
41 Package parameter description (+) [FAQ] AM625: Package parameter description - Processors forum - Processors - TI E2E support forums
42 Why is MMC1 powered by two different voltage supplies, VDDSHV0 and VDDSHV5? (+) [FAQ] AM62A7: Why is MMC1 powered by two different voltage supplies, VDDSHV0 and VDDSHV5? - Processors forum - Processors - TI E2E support forums
43 How to connect the pin net VDDSHV4, VDDSHV5, and VDDSHV6 if SD card is not used (+) [FAQ] AM62A7-Q1: how to connect the pin net VDDSHV4, VDDSHV5, and VDDSHV6 if SD card is not used - Processors forum - Processors - TI E2E support forums
44 Queries regarding MCU_OSC0 Start-up Time (+) [FAQ] AM625 / AM623 / AM625SIP / AM625-Q1 / AM620-Q1 Custom board hardware design – Queries regarding MCU_OSC0 Start-up Time - Processors forum - Processors - TI E2E support forums
45 SD card (MMC1) VDD power supply (+) [FAQ] AM625: SD card (MMC1) VDD power supply - Processors forum - Processors - TI E2E support forums
46 Connection recommendations for RSVD pins (+) [FAQ] AM625 / AM623 / AM625SIP / AM625-Q1 / AM620-Q1 Custom board hardware design – Connection recommendations for RSVD pins - Processors forum - Processors - TI E2E support forums
47 Common queries for PMIC TPS65219 and TPS65220 (+) [FAQ] AM644x / AM642x / AM641x / AM243x Design Recommendations / Custom board hardware design – common queries for PMIC TPS65219 and TPS65220 - Processors forum - Processors - TI E2E support forums
48 FSI Fast Serial Interface (+) [FAQ] AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 Custom board hardware design - FSI Fast Serial Interface - Processors forum - Processors - TI E2E support forums
49 List of errors observed during customer schematics review (+) [FAQ] AM625 / AM623 / AM62A / AM62P / AM62D-Q1 / AM64x / AM243x Design Recommendations / Custom board hardware design - List of errors observed during customer schematics review - Processors forum - Processors - TI E2E support forums
50 I/O Drive Strength Configuration for SDIO and LVCMOS (17) [FAQ] AM625 / AM623 / AM62A / AM62P / AM62D-Q1 / AM64x / AM243x Design Recommendations / Custom board hardware design - I/O Drive Strength Configuration for SDIO and LVCMOS - Processors forum - Processors - TI E2E support forums
51 Queries related to Residual Voltage and Detection (+) [FAQ] AM625 / AM623 / AM62A / AM62D-Q1 / AM62P / AM64x / AM243x Design Recommendations / Custom board hardware design – Queries related to Residual Voltage and Detection - Processors forum - Processors - TI E2E support forums
52 Queries related to passive components values, tolerance, voltage rating (+) [FAQ] AM625 / AM623 / AM62A / AM62P / AM64x / AM243x Design Recommendations / Custom board hardware design - Queries related to passive components values, tolerance, voltage rating - Processors forum - Processors - TI E2E support forums
53 Queries related to SysConfig-PinMux IOSET and Voltage Conflict (17) [FAQ] AM625 / AM623 / AM62A / AM62P / AM62D-Q1 / AM64x / AM243x Design Recommendations / Custom board hardware design - Queries related to SysConfig-PinMux IOSET and Voltage Conflict - Processors forum - Processors - TI E2E support forums

Note: FAQs Highlighted with yellow color are generic and can be used for AM64x processor family

Regards,

Sreenivasa