AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 769

• Manufacturer Part Number: AT91SAM7S256C-MU
• Description: IC ARM7 MCU 32BIT 256K 64-QFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256C-MU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• Processor Series: AT91
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: SPI, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 5
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7S256-MU; AT91SAM7S256-MU

6175K–ATARM–30-Aug-10
Version
6175B
Version
6175A
Comments
Added to datasheet:
Section 40.6 “AT91SAM7S256 Errata - Manufacturing Number 58818C” on page 613,Section 40.10
“AT91SAM7S128 Errata - Manufacturing Number 58818C” on page
Errata - Manufacturing Number 58814G” on page 679 Section 40.19 “AT91SAM7S32 Errata -
Manufacturing Number 58814G” on page 718
Changes/updates to the following:
“ADC Characteristics” on page
Characteristics AT91SAM7S512/256/128,” on page 556
Characteristics,” on page 566
update to
update to
field definitions in
Section 8. “Memories” on page 18
Evolution in IP blocks:
EFC:
PMC:
DBGU:
SPI:
UDP:
Interface” page
In Features and global:
EmbeddedICE to replace usage of “embedded in-ciruit emulator”
Comments
First issue
Section 28. ”Serial Peripheral Interface (SPI)” page 1
FMCN: Flash Microsecond Cycle Number
Section 34.3.2 ”Power Management” page
Section 26.7 ”Programming Sequence” page 215
”ARCH: Architecture Identifier” page 259
“Internal Memory Mapping” on page 99
SVMST0: Saved PDC Abort Source
462,
“MC Abort Status Register” on page
Section 40. “Errata” on page 591
”UDP Transceiver Control Register” page 478
”EmbeddedICE™ In-circuit Emulation, Debug Communication Channel Support”
570,
updated: 2 ms => 3 ms, 10 ms => 15 ms, 4 ms => 6 ms
Figure 37-5
and
register field in
and
register field in
445,
SVMST1: Saved ARM7TDMI Abort Source
AT91SAM7S Series Preliminary
Figure 37-6 on page
103.
Section 34.6 ”USB Device Port (UDP) User
and
Table 37-13, “Phase Lock Loop
”MC Flash Mode Register” page 138
“Debug Unit Chip ID Register”
646,
Section 40.14 “AT91SAM7S64
572,
Table 37-6, “DC Flash
register
Change
Request
Ref
Change
Request
Ref
05-501
05-507
05-509
05-529
759