AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 754

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

Version
6175K
Version
6175J
Comments
Debug and Test Features:
Table 12-2, “SAM7S Series Debug Unit Chip ID”
ERRATA:
2 columns added to
Corresponding sections added.
Section 40.5 ”SAM7S512 Errata - Revision B Parts”
too.
Ordering Information:
MRL C column added to
Comments
Overview:
Section 6.2 ”Test
Section 8.10 ”SAM-BA Boot
board is mandatory.
Section 19.2.4.4 ”General-purpose NVM
in the section).
EFCS:
Section 19.2.4.1 ”Flash
”Example of Partial Page Programming”
USART:
Section 31.7.9 ”USART Baud Rate Generator Register”
ERRATA:
Section 40.4 ”SAM7S512 Errata - Revision A Parts”
Section 40.4.2.1 ”EFC: Embedded Flash Access Time
Section 40.4.9.4 ”USART: RXBRK Flag Error in Asynchronous
Section 40.6.12.4 ”USART: RXBRK Flag Error in Asynchronous
Section 40.7.11.4 ”USART: RXBRK Flag Error in Asynchronous
Section 40.8.9.4 ”USART: RXBRK Flag Error in Asynchronous
Section 40.11.12.4 ”USART: RXBRK Flag Error in Asynchronous
Section 40.12.11.4 ”USART: RXBRK Flag Error in Asynchronous
Section 40.13.9.4 ”USART: RXBRK Flag Error in Asynchronous
Pin”, added to SAM-BA Boot recovery procedure, a power cycle of the board is mandatory.
Table 40-1, “Errata Summary
Programming”, constraint on partial programming mode added under
Table 39-1, “SAM7S Series Ordering
Assistant”, added to SAM-BA Boot recovery procedure, a power cycle of the
Bits”, Clear General-purpose Bit command updated (last paragraph
updated.
Table”: SAM7256/128 Rev C and SAM7S64 Rev C.
added.
1”, updated.
Table 40-1, “Errata Summary Table”
Information”.
Mode”, updated.
Mode”, updated.
Mode”, updated.
Mode”, updated.
Mode”, updated.
Mode”, updated.
Mode”, updated.
SAM7S Series [DATASHEET]
Figure 19-6
6175M–ATARM–26-Oct-12
updated
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