AT91SAM9G25-CU(2013) 查看數據表（PDF） - Atmel Corporation

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AT91SAM9G25-CU
(Rev.:2013)

AT91SAM ARM-based Embbedded MPU

Atmel Corporation 

Doc. Rev. Comments

11032B

Change

Request

Ref.

USART:

Section 39.7.3.4 “Manchester Decoder”, added a paragraph “In order to increase the compatibility...”.

Section 39.8 “Universal Synchronous Asynchronous Receiver Transmitter (USART) User Interface”:

-updated the reset value of the US_MAN register from ‘0x30011004’ to ‘0xB0011004’ in Table 39-17 “Register

Mapping”

- updated descriptions of US_CR, US_MR, US_IER, US_IDR, US_IMR, and US_CSR registers in:

Section 39.8.1 “USART Control Register”

8012

Section 39.8.3 “USART Mode Register”

Section 39.8.5 “USART Interrupt Enable Register”

Section 39.8.8 “USART Interrupt Disable Register”

Section 39.8.11 “USART Interrupt Mask Register”

Section 39.8.14 “USART Channel Status Register”

- added sections:

Section 39.8.2 “USART Control Register (SPI_MODE)”

Section 39.8.4 “USART Mode Register (SPI_MODE)”

Section 39.8.6 “USART Interrupt Enable Register (SPI_MODE)”

Section 39.8.7 “USART Interrupt Enable Register (LIN_MODE)”

Section 39.8.9 “USART Interrupt Disable Register (SPI_MODE)”

Section 39.8.10 “USART Interrupt Disable Register (LIN_MODE)”

Section 39.8.12 “USART Interrupt Mask Register (SPI_MODE)”

Section 39.8.13 “USART Interrupt Mask Register (LIN_MODE)”

Section 39.8.15 “USART Channel Status Register (SPI_MODE)”

Section 39.8.16 “USART Channel Status Register (LIN_MODE)”

Section 39.7.4.1 “ISO7816 Mode Overview”, removed the last phrase about missing ISO7816 inverted mode

support.

Section 39.7.10 “Write Protection Registers”, updated the WPVS flag reset description in the 3d paragraph.

Section 39.8.3 “USART Mode Register”, updated the MAX_ITERATION field description.

8097

8212

Section 39.8.25 “USART Manchester Configuration Register”, changed the definition of the bitfield 29 from “1” to

“ONE” and added the corresponding description.

Added Section 39.8.28 “USART LIN Baud Rate Register”.

8398

Figure 39-39 “Header Transmission” and Figure 39-42 “Slave Node Synchronization” reformatted for readability.

Section 39.7.1 “Baud Rate Generator”, replaced “...or 6...” with “...or 6 times lower...” in the last phrase of the

introduction text.

rfo

Section 39.6 “Product Dependencies”, added rows for USART3 in Table 39-3 “I/O Lines” and in Table 39-4

“Peripheral IDs”.

UART:

Section 41.4.3 “Interrupt Source”, replaced the term “Nested Vectored Interrupt Controller” and/or its acronym

“NVIC” with “Interrupt Controller”.

Section 41.2 “Embedded Characteristics”, removed the 2nd line with redundant information.

8326

Section 41.1 “Description”, updated the 2nd paragraph.

rfo

SAM9G25 [DATASHEET] 1091

11032C–ATARM–25-Jan-13

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