SPRSP65G
April 2021 – May 2024
AM2431
,
AM2432
,
AM2434
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
3.1
Functional Block Diagram
4
Device Comparison
4.1
Related Products
5
Terminal Configuration and Functions
5.1
Pin Diagram
5.1.1
AM243x ALV Pin Diagram
5.1.2
AM243x ALX Pin Diagram
5.2
Pin Attributes
13
14
5.2.1
AM243x Package Comparison Table (ALV vs. ALX)
5.3
Signal Descriptions
17
5.3.1
AM243x_ALX Package - Unsupported Interfaces and Signals
5.3.2
ADC
MAIN Domain Instances
21
5.3.3
CPSW
MAIN Domain Instances
24
25
26
27
5.3.3.1.1
CPSW3G IOSETs
5.3.4
CPTS
MAIN Domain Instances
31
32
5.3.5
DDRSS
MAIN Domain Instances
35
5.3.6
ECAP
MAIN Domain Instances
38
39
40
5.3.7
Emulation and Debug
MAIN Domain Instances
43
MCU Domain Instances
45
5.3.8
EPWM
MAIN Domain Instances
48
49
50
51
52
53
54
55
56
57
5.3.9
EQEP
MAIN Domain Instances
60
61
62
5.3.10
FSI
MAIN Domain Instances
65
66
67
68
69
70
71
72
5.3.11
GPIO
MAIN Domain Instances
75
76
MCU Domain Instances
78
5.3.12
GPMC
MAIN Domain Instances
81
5.3.12.1.1
GPMC0 IOSETs (ALV)
5.3.13
I2C
MAIN Domain Instances
85
86
87
88
MCU Domain Instances
90
91
5.3.14
MCAN
MAIN Domain Instances
94
95
5.3.15
SPI (MCSPI)
MAIN Domain Instances
98
99
100
101
102
MCU Domain Instances
104
105
5.3.16
MMC
MAIN Domain Instances
108
109
5.3.17
OSPI
MAIN Domain Instances
112
5.3.18
Power Supply
114
5.3.19
PRU_ICSSG
MAIN Domain Instances
117
118
5.3.20
Reserved
120
5.3.21
SERDES
MAIN Domain Instances
123
5.3.22
System and Miscellaneous
5.3.22.1
Boot Mode Configuration
MAIN Domain Instances
127
5.3.22.2
Clocking
MCU Domain Instances
130
5.3.22.3
SYSTEM
MAIN Domain Instances
133
MCU Domain Instances
135
5.3.22.4
VMON
137
5.3.23
TIMER
MAIN Domain Instances
140
MCU Domain Instances
142
5.3.24
UART
MAIN Domain Instances
145
146
147
148
149
150
151
MCU Domain Instances
153
154
5.3.25
USB
MAIN Domain Instances
157
5.4
Pin Connectivity Requirements
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Power-On Hours (POH)
6.4
Recommended Operating Conditions
6.5
Operating Performance Points
6.6
Power Consumption Summary
6.7
Electrical Characteristics
6.7.1
I2C Open-Drain, and Fail-Safe (I2C OD FS) Electrical Characteristics
6.7.2
Fail-Safe Reset (FS RESET) Electrical Characteristics
6.7.3
High-Frequency Oscillator (HFOSC) Electrical Characteristics
6.7.4
eMMCPHY Electrical Characteristics
6.7.5
SDIO Electrical Characteristics
6.7.6
LVCMOS Electrical Characteristics
6.7.7
ADC12B Electrical Characteristics (ALV package)
6.7.8
ADC10B Electrical Characteristics (ALX package)
6.7.9
USB2PHY Electrical Characteristics
6.7.10
SerDes PHY Electrical Characteristics
6.7.11
DDR Electrical Characteristics
6.8
VPP Specifications for One-Time Programmable (OTP) eFuses
6.8.1
Recommended Operating Conditions for OTP eFuse Programming
6.8.2
Hardware Requirements
6.8.3
Programming Sequence
6.8.4
Impact to Your Hardware Warranty
6.9
Thermal Resistance Characteristics
6.9.1
Thermal Resistance Characteristics
6.10
Timing and Switching Characteristics
6.10.1
Timing Parameters and Information
6.10.2
Power Supply Requirements
6.10.2.1
Power Supply Slew Rate Requirement
6.10.2.2
Power Supply Sequencing
6.10.2.2.1
Power-Up Sequencing
6.10.2.2.2
Power-Down Sequencing
6.10.3
System Timing
6.10.3.1
Reset Timing
6.10.3.2
Safety Signal Timing
6.10.3.3
Clock Timing
6.10.4
Clock Specifications
6.10.4.1
Input Clocks / Oscillators
6.10.4.1.1
MCU_OSC0 Internal Oscillator Clock Source
6.10.4.1.1.1
Load Capacitance
6.10.4.1.1.2
Shunt Capacitance
6.10.4.1.2
MCU_OSC0 LVCMOS Digital Clock Source
6.10.4.2
Output Clocks
6.10.4.3
PLLs
6.10.4.4
Recommended System Precautions for Clock and Control Signal Transitions
6.10.5
Peripherals
6.10.5.1
CPSW3G
6.10.5.1.1
CPSW3G MDIO Timing
6.10.5.1.2
CPSW3G RMII Timing
6.10.5.1.3
CPSW3G RGMII Timing
6.10.5.1.4
CPSW3G IOSETs
6.10.5.2
DDRSS
6.10.5.3
ECAP
6.10.5.4
EPWM
6.10.5.5
EQEP
6.10.5.6
FSI
6.10.5.7
GPIO
6.10.5.8
GPMC
6.10.5.8.1
GPMC and NOR Flash — Synchronous Mode
6.10.5.8.2
GPMC and NOR Flash — Asynchronous Mode
6.10.5.8.3
GPMC and NAND Flash — Asynchronous Mode
6.10.5.8.4
GPMC0 IOSETs (ALV)
6.10.5.9
I2C
6.10.5.10
MCAN
6.10.5.11
MCSPI
6.10.5.11.1
MCSPI — Controller Mode
6.10.5.11.2
MCSPI — Peripheral Mode
6.10.5.12
MMCSD
6.10.5.12.1
MMC0 - eMMC Interface
6.10.5.12.1.1
Legacy SDR Mode
6.10.5.12.1.2
High Speed SDR Mode
6.10.5.12.1.3
High Speed DDR Mode
6.10.5.12.1.4
HS200 Mode
6.10.5.12.2
MMC1 - SD/SDIO Interface
6.10.5.12.2.1
Default Speed Mode
6.10.5.12.2.2
High Speed Mode
6.10.5.12.2.3
UHS–I SDR12 Mode
6.10.5.12.2.4
UHS–I SDR25 Mode
6.10.5.12.2.5
UHS–I SDR50 Mode
6.10.5.12.2.6
UHS–I DDR50 Mode
6.10.5.12.2.7
UHS–I SDR104 Mode
6.10.5.13
CPTS
6.10.5.14
OSPI
6.10.5.14.1
OSPI0 PHY Mode
6.10.5.14.1.1
OSPI0 With PHY Data Training
6.10.5.14.1.2
OSPI0 Without Data Training
6.10.5.14.1.2.1
OSPI0 PHY SDR Timing
6.10.5.14.1.2.2
OSPI0 PHY DDR Timing
6.10.5.14.2
OSPI0 Tap Mode
6.10.5.14.2.1
OSPI0 Tap SDR Timing
6.10.5.14.2.2
OSPI0 Tap DDR Timing
6.10.5.15
PCIe
6.10.5.16
PRU_ICSSG
6.10.5.16.1
PRU_ICSSG Programmable Real-Time Unit (PRU)
6.10.5.16.1.1
PRU_ICSSG PRU Direct Output Mode Timing
6.10.5.16.1.2
PRU_ICSSG PRU Parallel Capture Mode Timing
6.10.5.16.1.3
PRU_ICSSG PRU Shift Mode Timing
6.10.5.16.1.4
PRU_ICSSG PRU Sigma Delta and Peripheral Interface
6.10.5.16.1.4.1
PRU_ICSSG PRU Sigma Delta and Peripheral Interface Timing
6.10.5.16.2
PRU_ICSSG Pulse Width Modulation (PWM)
6.10.5.16.2.1
PRU_ICSSG PWM Timing
6.10.5.16.3
PRU_ICSSG Industrial Ethernet Peripheral (IEP)
6.10.5.16.3.1
PRU_ICSSG IEP Timing
6.10.5.16.4
PRU_ICSSG Universal Asynchronous Receiver Transmitter (UART)
6.10.5.16.4.1
PRU_ICSSG UART Timing
6.10.5.16.5
PRU_ICSSG Enhanced Capture Peripheral (ECAP)
6.10.5.16.5.1
PRU_ICSSG ECAP Timing
6.10.5.16.6
PRU_ICSSG RGMII, MII_RT, and Switch
6.10.5.16.6.1
PRU_ICSSG MDIO Timing
6.10.5.16.6.2
PRU_ICSSG MII Timing
6.10.5.16.6.3
PRU_ICSSG RGMII Timing
6.10.5.17
Timers
6.10.5.18
UART
6.10.5.19
USB
6.10.6
Emulation and Debug
6.10.6.1
Trace
6.10.6.2
JTAG
7
Detailed Description
7.1
Overview
7.2
Processor Subsystems
7.2.1
Arm Cortex-R5F Subsystem (R5FSS)
7.2.2
Arm Cortex-M4F (M4FSS)
7.3
Accelerators and Coprocessors
7.3.1
Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU_ICSSG)
7.4
Other Subsystems
7.4.1
PDMA Controller
7.4.2
Peripherals
7.4.2.1
ADC
7.4.2.2
DCC
7.4.2.3
Dual Date Rate (DDR) External Memory Interface (DDRSS)
7.4.2.4
ECAP
7.4.2.5
EPWM
7.4.2.6
ELM
7.4.2.7
ESM
7.4.2.8
GPIO
7.4.2.9
EQEP
7.4.2.10
General-Purpose Memory Controller (GPMC)
7.4.2.11
I2C
7.4.2.12
MCAN
7.4.2.13
MCRC Controller
7.4.2.14
MCSPI
7.4.2.15
MMCSD
7.4.2.16
OSPI
7.4.2.17
Peripheral Component Interconnect Express (PCIe)
7.4.2.18
Serializer/Deserializer (SerDes) PHY
7.4.2.19
Real Time Interrupt (RTI/WWDT)
7.4.2.20
Dual Mode Timer (DMTIMER)
7.4.2.21
UART
7.4.2.22
Universal Serial Bus Subsystem (USBSS)
8
Applications, Implementation, and Layout
8.1
Device Connection and Layout Fundamentals
8.1.1
Power Supply
8.1.1.1
Power Supply Designs
8.1.1.2
Power Distribution Network Implementation Guidance
8.1.2
External Oscillator
8.1.3
JTAG, EMU, and TRACE
8.1.4
Unused Pins
8.2
Peripheral- and Interface-Specific Design Information
8.2.1
General Routing Guidelines
8.2.2
DDR Board Design and Layout Guidelines
8.2.3
OSPI/QSPI/SPI Board Design and Layout Guidelines
8.2.3.1
No Loopback, Internal PHY Loopback, and Internal Pad Loopback
8.2.3.2
External Board Loopback
8.2.3.3
DQS (only available in Octal SPI devices)
8.2.4
USB VBUS Design Guidelines
8.2.5
System Power Supply Monitor Design Guidelines
8.2.6
High Speed Differential Signal Routing Guidance
8.2.7
Thermal Solution Guidance
8.3
Clock Routing Guidelines
8.3.1
Oscillator Routing
8.3.2
Oscillator Ground Connection
9
Device and Documentation Support
9.1
Device Nomenclature
9.1.1
Standard Package Symbolization
9.1.2
Device Naming Convention
9.2
Tools and Software
9.3
Documentation Support
9.3.1
Information About Cautions and Warnings
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Packaging Information
Data Sheet
AM243x Sitara™ Microcontrollers