AM64x/AM243x Processor Silicon Revision 1.0, 2.0

1 Usage Notes and Advisories Matrices

Table 2-3 lists all usage notes and the applicable silicon revision(s). Table 1-2 lists all advisories, modules affected, and the applicable silicon revision(s).

Table 1-1 Usage Notes Matrix

ID	DESCRIPTION	SILICON REVISIONS AFFECTED
ID	DESCRIPTION	AM64x/AM243x 1.0	AM64x/AM243x 2.0
Package	i2287 — Package Pin Assignment Difference between SR1.0 and SR2.0	YES	YES
OSPI	i2351 — OSPI: Controller does not support Continuous Read mode with NAND Flash	YES	YES
PLL	i2424 — PLL: PLL Programming Sequence May Introduce PLL Instability	YES	YES

Table 1-2 Advisories Matrix

MODULE	DESCRIPTION	SILICON REVISIONS AFFECTED
MODULE	DESCRIPTION	AM64x/AM243x 1.0	AM64x/AM243x 2.0
BCDMA	i2431 — BCDMA: RX Channel can lockup in certain scenarios	YES	YES
Boot	i2328 — Boot: USB MSC boots intermittently	YES	YES
Boot	i2257 — xSPI boot mode redundant image boot failure	YES	NO
Boot	i2307 — Boot: ROM does not properly select OSPI clocking modes based on BOOTMODE	YES	YES
Boot	i2306 — Boot: ROM does not turn off internal termination resistors in SERDES	YES	NO
Boot	i2363 — Boot: Peak voltage transitions may exceed PCIe spec during PCIe boot	YES	YES
Boot	i2366 — Boot: ROM does not comprehend specific JEDEC SFDP features for 8D-8D-8D operation	YES	YES
Boot	i2371 — Boot: ROM code may hang in UART boot mode during data transfer	YES	YES
Boot	i2413 — Boot: HS-FS ROM boots corrupted ROM boot image	YES	YES
Boot	i2414 — Boot: Ethernet PHY Scan and Bring-Up Flow doesn't work with PHYs that don't support Auto Negotiation	YES	YES
Boot	i2415 — Boot: UART Backup Boot Authentication Failure w/ xSPI Primary Boot Mode	YES	YES
Boot	i2417 — Boot: GPMC NAND configured to slower clock speed	YES	YES
Boot	i2418 — Boot: Secure ROM Panic due to Certificate Info not present	YES	YES
Boot	i2419 — Boot: When disabling deskew calibration, ROM does not check if deskew calibration was enabled	YES	YES
Boot	i2420 — Boot: XSPI Boot time is not consistent in SFDP mode	YES	YES
Boot	i2422 — Boot: ROM timeout for MMCSD filesystem boot too long	YES	YES
Boot	i2423 — Boot: HS-FS ROM applies debug access restrictions to all address space covered by the efuse controller firewall	YES	YES
Boot	i2435 — Boot: ROM timeout for eMMC boot too long	YES	YES
CBASS	i2207 — CBASS: Command Arbitration Blocking	YES	YES
CBASS	i2235 — CBASS Null Error Interrupt Not Masked By Enable Register	YES	YES
CPSW	i2184 — CPSW: IET express traffic policing issue	YES	YES
CPSW	i2185 — CPSW: Policer color marking issue	YES	YES
CPSW	i2208 — CPSW: ALE IET Express Packet Drops	YES	YES
CPSW	i2331 — CPSW: Device lockup when reading CPSW registers	YES	YES
CPSW	i2401 — CPSW: Host Timestamps Cause CPSW Port to Lock up	YES	YES
DebugSS	i2317 — Debug is not available after TRST pin de-assertion when device pin EMU1 is repurposed as MCU_OBSCLK0	YES	NO
DEBUG	i2283 — Restrictions on how CP Tracer Debug Probes can be used	YES	YES
DEBUG	i2291 — Debug: ATB Hang during Cortex-A53 trace	YES	YES
DDR	i2232 — DDR: Controller postpones more than allowed refreshes after frequency change	YES	YES
DDR	i2244 — DDR: Valid stop value must be defined for write DQ VREF training	YES	YES
DDR	i2259 — DDR: Possibility of starvation of low priority commands	YES	YES
DDR	i2274 — DDR: Including DDR in BSCAN causes current alarm on the DDR supply	YES	NO
DMA	i2285 — BCDMA: Blockcopy Gets Corrupted if TR Read Responses Interleave with Source Data Fetch	YES	NO
DMA	i2320 — BCDMA and PKTDMA: Descriptors and TRs required to be returned unfragmented	YES	NO
DMSC	i2245 — DMSC: Firewall Region requires specific configuration	YES	YES
ECC_AGGR	i2049 — ECC_AGGR: Potential IP Clockstop/Reset Sequence Hang due to Pending ECC Aggregator Interrupts	YES	YES
GPMC	i2313 — GPMC: Sub-32-bit read issue with NAND and FPGA/FIFO	YES	NO
Internal Diagnostic Modules	i2103 — Incorrect Reporting of ECC_GRP, ECC_BIT and ECC_TYPE Information for Functional Safety Errors	YES	YES
Interrupt Aggregator	i2196 — IA: Potential deadlock scenarios in IA	YES	YES
ICSSG	i2305 — ICSSG: PRU RAM WRT during active FDB lookup write data corruption	YES	YES
ICSSG	i2368 — ICSSG: Device lockup when reading registers in ICSSG module	YES	YES
ICSS	i2433 — ICSS: Reading the 64-bit IEP timer does not have a lock MSW logic when LSW is read	YES	YES
ICSS	i2434 — ICSS: IEP RX SOF and TX SOF capture register issue in 32-bit shadow mode when nano seconds part is zero	YES	YES
JTAG	i2228 — JTAG: TAP used by Debuggers may be inaccessible if TRSTn device pin is never asserted	YES	NO
MCAN	i2279 — MCAN: Specification Update for dedicated Tx Buffers and Tx Queues configured with same Message ID	YES	YES
MCAN	i2278 — MCAN: Message Transmit order not guaranteed from dedicated Tx Buffers configured with same Message ID	YES	YES
MDIO	i2329 — MDIO: MDIO interface corruption (CPSW and PRU-ICSS)	YES	YES
MMCSD	i2312 — MMCSD: HS200 and SDR104 Command Timeout Window Too Small	YES	YES
OSPI	i2189 — OSPI: Controller PHY Tuning Algorithm	YES	YES
OSPI	i2303 — OSPI: OSPI0_LBCLK0 pin has input floating by default	YES	NO
OSPI	i2249 — OSPI: Internal PHY Loopback and Internal Pad Loopback clocking modes with DDR timing inoperable	YES	YES
OSPI	i2383 — OSPI: 2-byte address is not supported in PHY DDR mode	YES	YES
PCIe	i2236 — PCIe: SERDES output reference clock cannot be used	YES	NO
PCIe	i2241 — PCIe: The SerDes PCIe Reference Clock Output can exceed the 5.0 GT/s Data Rate RMS jitter limit	YES	NO
PCIe	i2256 — PCIe: MSI or MSI-X does not trigger interrupt if address is not aligned to 8-bytes	YES	NO
PCIe	i2243 — PCIe: Timing requirement for disabling output refclk during L1.2 substate is not met	YES	YES
PCIe	i2326 — PCIe: MAIN_PLLx operating in fractional mode, which is required for enabling SSC, is not compliant with PCIe Refclk jitter limits	YES	YES
POK	i2277 — POK: De-Glitch (filter) is based upon only two samples	YES	NO
PRG	i2253 — PRG: CTRL_MMR STAT registers are unreliable indicators of POK threshold failure	YES	YES
PSIL	i2138 — PSIL: Configuration accesses and source thread teardowns may cause data corruption	YES	YES
RAT	i2062 — RAT: Error Interrupt Triggered Even When Error Logging Disable Is Set	YES	YES
USART	i2310 — USART: Erroneous clear/trigger of timeout interrupt	YES	YES
USART	i2311 — USART: Spurious DMA Interrupts	YES	YES
USB	i2091 — USB: USB 2.0 PHY hangs if received signal amplitude crosses squelch threshold multiple times within the same packet	YES	NO
USB	i2134 — USB: USB 2.0 Compliance Receive Sensitivity Test Limitation	YES	NO
USB	i2409 — USB: USB2 PHY locks up due to short suspend	YES	YES