AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 46

• 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

46
AT91SAM7S Series Preliminary
Stack Pointer (ARM Register 13). Further instructions allow limited access to the ARM registers
8 to 15.
Table 11-3
Table 11-3.
Mnemonic
MOV
ADD
SUB
CMP
TST
AND
EOR
LSL
ASR
MUL
B
BX
LDR
LDRH
LDRB
LDRSH
LDMIA
PUSH
gives the Thumb instruction mnemonic list.
Thumb Instruction Mnemonic List
Operation
Move
Add
Subtract
Compare
Test
Logical AND
Logical Exclusive OR
Logical Shift Left
Arithmetic Shift Right
Multiply
Branch and Exchange
Load Word
Load Half Word
Load Byte
Load Signed Halfword
Load Multiple
Push Register to stack
Branch
Mnemonic
MVN
ADC
SBC
CMN
NEG
BIC
ORR
LSR
ROR
BL
SWI
STR
STRH
STRB
LDRSB
STMIA
POP
Operation
Move Not
Add with Carry
Subtract with Carry
Compare Negated
Negate
Bit Clear
Logical (inclusive) OR
Logical Shift Right
Rotate Right
Branch and Link
Software Interrupt
Store Word
Store Half Word
Store Byte
Load Signed Byte
Store Multiple
Pop Register from stack
6175K–ATARM–30-Aug-10