Datasheet
2017 Microchip Technology Inc. DS60001516A-page 789
SAM9G20
09-Nov-15
Section 21. “SDRAM Controller (SDRAMC)”
Table 21-8, “Register Mapping”: access “Read” corrected to “Read/Write” for SDRAMC_MDR
Removed reset value from register description sections (reset values are provided in Table 21-8, “Register Mapping”)
Section 22. “Error Correction Code Controller (ECC)”
Table 22-1, “Register Mapping”: for ECC Control Register, removed reset value (register is write-only); ECC_CTRL
corrected to ECC_CR
Section 23. “Peripheral DMA Controller (PDC)”
Table 23-1, “Register Mapping”: removed reset value from PERIPH_PTCR (register is write-only)
Section 25. “Power Management Controller (PMC)”
Updated Section 25.3 “Processor Clock Controller”
PMC_PLLICPR access “Write-only” corrected to “Read/Write” in Table 25-3, “Register Mapping” and in Section 25.9.17
“PLL Charge Pump Current Register”
Section 26. “Advanced Interrupt Controller (AIC)”
Removed reset value from register description sections (reset values are provided in Table 26-2, “Register Mapping”)
Section 30. “Two-wire Interface (TWI)”
Table 30-4, “Register Mapping”: removed reset value from TWI_THR (register is write-only)
Removed reset value from register description sections (reset values are provided in Table 30-4, “Register Mapping”)
Section 31. “Universal Synchronous Asynchronous Receiver Transmitter (USART)”
Table 31-5, “Possible Values for the Fi/Di Ratio”: in top row, replaced “774” with “744”
Section 31.6.3.5 “Manchester Decoder”: “MANE flag in US_CSR” corrected to “MANERR flag in US_CSR”
Figure 31-32: “T = 0 Protocol with Parity Error”: added diagram
Table 31-10, “IrDA Baud Rate Error”: in header row, added “bit/s” to Baud Rate and added “µs” to Pulse Time
Removed ‘MANE’ name from bit 24 in Section 31.7.3 “USART Interrupt Enable Register”, Section 31.7.4 “USART
Interrupt Disable Register” and Section 31.7.5 “USART Interrupt Mask Register”
Section 31.7.12 “USART FI DI RATIO Register”: removed reset value (reset value provided in Table 31-12, “Register
Mapping”)
Section 32. “Synchronous Serial Controller (SSC)”
Section 32.6.1.1 “Clock Divider”: at end of section, deleted untitled Table 33-2
Section 34. “MultiMedia Card Interface (MCI)”
Figure 34-12: “Multiple Write Functional Flow Diagram”: adjusted frame dimensions to fully display previously hidden
content at top and bottom of diagram
Section 37. “USB Host Port (UHP)”
Section 37.1 “Overview”: updated link to Hewlett-Packard website
Section 38. “Image Sensor Interface (ISI)”
Removed reset value from register description sections (reset values are provided in Table 38-9, “ISI Memory
Mapping”)
Doc. Rev.
6384F Comments (Continued)