AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 121

• 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

MC_FSR, LOCKSx Product Specific Map
The AT91SAM7S512 manages 16 lock bits on EF0 and 16 on EFC1 = 32.
6175K–ATARM–30-Aug-10
AT91SAM7S
LOCKS10
LOCKS11
LOCKS12
LOCKS13
LOCKS14
LOCKS15
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
LOCKS8
LOCKS9
512
32
()
AT91SAM7S
LOCKS10
LOCKS11
LOCKS12
LOCKS13
LOCKS14
LOCKS15
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
LOCKS8
LOCKS9
256
16
AT91SAM7S
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
128
8
–
–
–
–
–
–
–
–
AT91SAM7S
LOCKS10
LOCKS11
LOCKS12
LOCKS13
LOCKS14
LOCKS15
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
LOCKS8
LOCKS9
64
16
AT91SAM7S
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
321
8
–
–
–
–
–
–
–
–
AT91SAM7S Series Preliminary
AT91SAM7S
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
32
8
–
–
–
–
–
–
–
–
AT91SAM7S
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
161
8
–
–
–
–
–
–
–
–
AT91SAM7S
LOCKS0
LOCKS1
LOCKS2
LOCKS3
LOCKS4
LOCKS5
LOCKS6
LOCKS7
16
8
–
–
–
–
–
–
–
–
Number of Lock
Bits
Lock Region 0
Lock Status
Lock Region 1
Lock Status
Lock Region 2
Lock Status
Lock Region 3
Lock Status
Lock Region 4
Lock Status
Lock Region 5
Lock Status
Lock Region 6
Lock Status
Lock Region 7
Lock Status
Lock Region 8
Lock Status
Lock Region 9
Lock Status
Lock Region 10
Lock Status
Lock Region 11
Lock Status
Lock Region 12
Lock Status
Lock Region 13
Lock Status
Lock Region 14
Lock Status
Lock Region 15
Lock Status
Denomination
121