AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 593

• 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

Table 40-1.
6175K–ATARM–30-Aug-10
Part
PWM
RTT
RTT
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SSC
SSC
SSC
TWI
TWI
TWI
TWI
TWI
USART
USART
USART
USART
USART
USART
Errata
Behavior of CHIDx Status Bits in the PWM_SR
Register
Possible Event Loss when Reading RTT_SR
RTT_VR May be Corrupted
Software Reset Must be Written Twice
Pulse Generation on SPCK
Bad Behavior when CSAAT = 1 and SCBR = 1
LASTXFER (Last Transfer) behavior
SPCK Behavior in Master Mode
Chip Select and Fixed Mode
Baudrate Set to 1
Disable In Slave Mode
Disable Issue
Software Reset and SPIEN Bit
CSAAT = 1 and Delay
Bad Serial Clock Generation on 2nd Chip Select
Periodic Transmission Limitations in Master
Mode
Transmitter Limitations in Slave Mode
Transmitter Limitations in Slave Mode
Clock Divider
Software Reset
Disabling Does not Operate Correctly
NACK Status Bit Lost
Possible Receive Holding Register Corruption
Hardware Handshake
CTS in Hardware Handshaking
Hardware Handshaking – Two Characters Sent
XOFF Character Bad Behavior
RXBRK Flag Error in Asynchronous Mode
DCD is active High instead of Low
Errata Summary Table (Continued)
Revision or Manufacturing Number
AT91SAM7Sx Product
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