AT91SAM7SE512-CU Atmel, AT91SAM7SE512-CU Datasheet - Page 45
AT91SAM7SE512-CU
Manufacturer Part Number
AT91SAM7SE512-CU
Description
IC ARM7 MCU FLASH 512K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE512-CU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K 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
144-LFBGA
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
EBI, SPI, TWI, USART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ALTERA
Quantity:
200
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 45 of 673
- Download datasheet (11Mb)
11.2.4.1
6222F–ATARM–14-Jan-11
Modes and Exception Handling
Table 11-1.
Registers R0 to R7 are unbanked registers. This means that each of them refers to the same 32-
bit physical register in all processor modes. They are general-purpose registers, with no special
uses managed by the architecture, and can be used wherever an instruction allows a general-
purpose register to be specified.
Registers R8 to R14 are banked registers. This means that each of them depends on the current
mode of the processor.
All exceptions have banked registers for R14 and R13.
After an exception, R14 holds the return address for exception processing. This address is used
to return after the exception is processed, as well as to address the instruction that caused the
exception.
R13 is banked across exception modes to provide each exception handler with a private stack
pointer.
The fast interrupt mode also banks registers 8 to 12 so that interrupt processing can begin with-
out having to save these registers.
User and
System Mode
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
PC
CPSR
ARM7TDMI ARM Modes and Registers Layout
Supervisor
Mode
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13_SVC
R14_SVC
PC
CPSR
SPSR_SVC
Abort Mode
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13_ABORT
R14_ABORT
PC
CPSR
SPSR_ABORT
SAM7SE512/256/32 Preliminary
Undefined
Mode
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13_UNDEF
R14_UNDEF
PC
CPSR
SPSR_UNDEF
Interrupt
Mode
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13_IRQ
R14_IRQ
PC
CPSR
SPSR_IRQ
Mode-specific banked registers
Fast Interrupt
Mode
R0
R1
R2
R3
R4
R5
R6
R7
R8_FIQ
R9_FIQ
R10_FIQ
R11_FIQ
R12_FIQ
R13_FIQ
R14_FIQ
PC
CPSR
SPSR_FIQ
45
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