SDAA044
September 2025
AM623
,
AM625
,
AM62L
1
Abstract
Trademarks
1
Introduction
2
Overview of AM62x vs AM62Lx
3
Power Architecture and PMIC Considerations
4
IO Voltage Domains and Signal Levels
4.1
Dual-Voltage vs. 1.8V-Only IO Banks
4.2
Buffer Types and Fail-Safe IOs
5
Peripheral Interface Changes
5.1
Memory Interfaces
5.2
Connectivity
5.3
Media and Display Interfaces
5.4
Analog and Other Interfaces
6
Boot Configuration and Reset Changes
7
Package and Layout Considerations
7.1
BGA Package Options
7.2
Thermal and Power Dissipation
8
Summary
9
Terminology and Acronyms
10
References
9
Terminology and Acronyms
AAD-mux: Address-Address/Data multiplexed mode
ADC: Analog-to-Digital Converter
ALW: Package code for 13 × 13mm AM62x
AMC: Package code for 17.2 × 17.2mm AM62x
ANB: Package code for 11.9 × 11.9mm AM62Lx
BOM: Bill of Materials
BGA: Ball Grid Array
BSP: Board Support Package
CAN-FD: Controller Area Network with Flexible Data rate
°C/W: Degrees Celsius per Watt
CPU: Central Processing Unit
CS: Chip Select
DDR: Double Data Rate
DDR4: Fourth-generation Double Data Rate
DPI: Display Parallel Interface
DRD: Dual-Role Device
E2E: Engineer-to-Engineer (Texas Instruments support forum)
EEPROM: Electrically Erasable Programmable Read-Only Memory
ENOB: Effective Number of Bits
eFuse: Electronic Fuse
eMMC: Embedded MultimediaCard
EVM: Evaluation Module
EXTINTn: External Interrupt Pin
EXT_WAKEUP: External Wake-Up Pin
FAQ: Frequently Asked Question
FCBGA: Flip-Chip Ball Grid Array
GPMC: General Purpose Memory Controller
GPU: Graphics Processing Unit
GPIO: General Purpose Input/Output
HS200: High Speed 200 MB/s (for eMMC)
I2C: Inter-Integrated Circuit
ICSS: Industrial Communication Subsystem
IEEE: Institute of Electrical and Electronics Engineers
IO: Input/Output
JTAG: Joint Test Action Group
L1: Level 1 (cache)
L2: Level 2 (cache)
LDO: Low Drop-Out regulator
LPDDR4: Low Power Double Data Rate 4
th
generation
LVDS: Low Voltage Differential Signaling
MCU: Microcontroller Unit
McASP: Multi-Channel Audio Serial Port
MDIO: Management Data Input/Output
Processor Interface
MSPS: Million Samples Per Second
OLDI: Open LVDS Display Interface
OTP: One-Time Programmable
OSPI: Octal Serial Peripheral Interface
PMIC: Power Management Integrated Circuit
PORz: Power-On Reset
PRU: Programmable Realtime Unit
PRUSS: Programmable Real-time Unit Subsystem
PWM: Pulse Width Modulation
QSPI: Quad Serial Peripheral Interface
RGMII: Reduced Gigabit Media Independent Interface
RMII: Reduced Media Independent Interface
RTC: Real-Time Clock
SD: Secure Digital
SDIO: Secure Digital Input/Output
SMS: Security Management System
SoC: System on Chip
SPL: Secondary Program Loader
TRM: Technical Reference Manual
Tx: Transmit
UHS-I: Ultra High-Speed Phase I (SD bus mode)
UART: Universal Asynchronous Receiver/Transmitter
U-Boot: Universal Boot
USB: Universal Serial Bus
VBUS: Voltage Bus
VTM: Voltage and Thermal Manager
WKUP: Wakeup