AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 763

• 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
6175F
Comments
“Features” on page 1
Manchester Encoder/Decoder removed from USART.
“Features” on page
Pinout”Section 39. ”AT91SAM7S Ordering
family.
Section 4.1 ”64-lead LQFP and 64-pad QFN Package Outlines”
pad QFN Package
Figure 8-1 on page 20
Section 20. ”Embedded Flash Controller (EFC)” EFC0 and EFC1 on AT91SAM7S512 explained.
Section 10.1 ”User
Table 10-1
ADC Block diagram Figure 35-1 on page 479 - dedicated and I/O analog inputs differentiated
”ADC Timings” page 485 WARNING ”...See the section ADC Characteristics....” typo fixed.
Section 21. ”Fast Flash Programming Interface (FFPI)”, AT91SAM7S512 instructions added to Section
21.2.5.6, and Section 21.2.5.7 on page 155, Section 21.3.4.6 and Section 21.3.4.7 on page 162.
Table 21-1 on page 147 PMD and PGMNVALID bus size for AT91SAM7S32 is [7:0].
AIC, Section 24.7.3.1 ”Priority Controller” SRCTYPTE field is in AIC_SMR register, not AIC_SVR
“Advanced Interrupt Controller (AIC) User Interface” , Table 24-2 on page 198 note 2 ref to PID bit fields
AT91SAM7 Boot Program Section 22.5 ”SAM-BA Boot” SAM-BA boot principle changed Section 22.2
”Flow Diagram”replaced Figure 22-1 and Figure 22-2 on page 165
DBGU: ”ARCH: Architecture Identifier” page 259: updated
Functional Block Diagram in Figure 27-1 on page 238 and Section 27.5.12 ”Debug Unit Force NTRST
Register”ice_nreset signal replaced with pad name, Power-on Reset (power_on_reset.)
“Peripheral DMA Controller (PDC)” User interface description updated page 173. Correct typo to
“
PIO, Section 15.4.4 ”Output Control” typo corrected
Section 15.4.1 ”Pull-up Resistor Control”, ref to resistor value removed.
Figure 15-3 ”I/O Line Control Logic” page 82, 0 and 1 inverted in the MUX controlled by PIO_MDSR.
”PMC Master Clock Register” on page 231 Corrected name of bitfield “PRES”
Note defining PIDx added to “PMC Peripheral Clock Enable Register” , ”PMC Peripheral Clock Disable
Register” page 226 and
Table 26-2 on page 222: footnotes reassigned.
PWM, updated waveform generation Section 33.5.3.3 ”Changing the Duty Cycle or the Period” page 430.
RSTC; added info on startup counter on crystal oscillator Section 13.3.1 ”Reset Controller Overview”
RTT, added note to ”Functional Description” page 73
ENDTX”
bit field name in Section 23.3.3 ”Transfer Counters”
and
Table 10-2
Outlines”added (replace Mechanical Overview).
Interface”User Peripherals are mapped between 0xF000 0000 and 0xFFFF EFFF.
1,
(global) QFN packages changed to 64- and 48-pad QFN
Table 1-1, “Configuration Summary,” on page
Peripheral and System Controller Memory Mapping has been condensed.
SYSIRQ changed to SYSC in “Peripheral Identifiers”
Information”and global, AT91SAM7S512 added to product
AT91SAM7S Series Preliminary
and
Section 4.3 ”48-lead LQFP and 48-
3,
Section 4. ”Package and
Change
Request
Ref.
#2748
rfo review
#3052
#2830
#2284
#2748
#2512
#2548
#3050
#2832
05-460
05-346
05-497
#3053
#1603
#2468
#2748
#1677
#3005
#2522
753