Texas Instruments TMS320F2837 D Series

www.ti.com Usage Notes and Known Design Exceptions to Functional Specifications
7
SPRZ412K–December 2013–Revised February 2020
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TMS320F2837xD Dual-Core MCUs Silicon Revisions C, B, A, 0
Table 4. Table of Contents for Advisories (continued)
Advisory —eQEP: eQEP Inputs in GPIO Asynchronous Mode .................................................................. 20
Advisory —PLL: May Not Lock on the First Lock Attempt ........................................................................ 21
Advisory —PLL: Power Down and Bypass May Take up to 120 SYSCLK Cycles to be Effective .......................... 22
Advisory —SDFM: Data Filter Output Does Not Saturate at Maximum Value With Sinc3 and OSR = 256................ 23
Advisory —SDFM: Spurious Data Acknowledge Event When Data Filter is Configured and Enabled for the First Time 23
Advisory —SDFM: Spurious Data Acknowledge Event When Data Filter is Synchronized Using PWM FILRES Signal 23
Advisory —SDFM: Comparator Filter Module may Generate Spurious Over-Value and Under-Value Conditions ....... 24
Advisory —SDFM: Dynamically Changing Threshold Settings (LLT, HLT), Filter Type, or COSR Settings Will Trigger
Spurious Comparator Events................................................................................................. 24
Advisory —SDFM: Dynamically Changing Data Filter Settings (Such as Filter Type or DOSR) Will Trigger Spurious
Data Acknowledge Events.................................................................................................... 25
Advisory —FPU: FPU-to-CPU Register Move Operation Preceded by Any FPU 2p Operation............................. 26
Advisory —FPU: LUF, LVF Flags are Invalid for the EINVF32 and EISQRTF32 Instructions ............................... 29
Advisory —Memory: Prefetching Beyond Valid Memory ......................................................................... 32
Advisory —INTOSC: V
DDOSC
Powered Without V
DD
Can Cause INTOSC Frequency Drift .................................... 32
Advisory —Low-Power Modes: Power Down Flash or Maintain Minimum Device Activity................................... 33
Advisory —I2C: SDA and SCL Open-Drain Output Buffer Issue ................................................................ 34
Advisory — ePWM: An ePWM Glitch can Occur if a Trip Remains Active at the End of the Blanking Window........... 36
Advisory —ePWM: ePWM Dead-Band Delay Value Cannot be Set to 0 When Using Shadow Load Mode for
RED/FED........................................................................................................................ 36
Advisory —SYSTEM: Multiple Successive Writes to CLKSRCCTL1 Can Cause a System Hang .......................... 37
Advisory —CMPSS: COMPxLATCH May Not Clear Properly Under Certain Conditions .................................... 38
Advisory —CMPSS: Ramp Generator May Not Start Under Certain Conditions .............................................. 38
Advisory —CMPSS: CMPIN4N, CMPIN4P, CMPIN5N, and CMPIN5P Not Available........................................ 38
Advisory —GPIO: Open-Drain Configuration May Drive a Short High Pulse .................................................. 39
Advisory —GPIO: GPIO0–GPIO7, GPIO46, GPIO47 Shunt to V
SS
Due to Fast Transients at High Temperature........ 40
Advisory —During DCAN FIFO Mode, Received Messages May be Placed Out of Order in the FIFO Buffer ............ 41
Advisory —Boot ROM: Calling SCI Bootloader from Application ................................................................ 42
Advisory —Boot ROM: Using CPU1 Wait Boot or CPU2 Idle Mode ............................................................ 42
Advisory —Boot ROM: Device Will Hang During Boot if X1 Clock Source is not Present ................................... 42
Advisory —HRPWM: HRCNFG Register Reads and Bit-Wise Writes .......................................................... 43
Advisory —SYSBIOS in ROM References Different Flash Sector (Changed From Sector A to Sector B) ................ 43
Advisory —McBSP: McBSP Transmit in SPI Slave Mode ........................................................................ 43
Advisory —Crystal: Maximum Equivalent Series Resistance (ESR) Values are Reduced................................... 44