AT91SAM9260B-CU-999 Atmel, AT91SAM9260B-CU-999 Datasheet - Page 288
![IC MCU ARM9 217LFBGA](/photos/12/13/121366/217-lfbga_sml.jpg)
AT91SAM9260B-CU-999
Manufacturer Part Number
AT91SAM9260B-CU-999
Description
IC MCU ARM9 217LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9260B-CU-999.pdf
(798 pages)
Specifications of AT91SAM9260B-CU-999
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
POR, WDT
Number Of I /o
96
Program Memory Size
32KB (32K x 8)
Program Memory Type
ROM
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
217-LFBGA
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
2-Wire, EBI, I2S, SPI, USART
Maximum Clock Frequency
180 MHz
Number Of Programmable I/os
96
Number Of Timers
6
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM9260-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
For Use With
AT91SAM9260-EK - KIT EVAL FOR AT91SAM9260AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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26.8.2
26.8.2.1
Figure 26-6.
26.8.2.2
Figure 26-7.
288
AT91SAM9260
Interrupt Latencies
External Interrupt Edge Triggered Source
External Interrupt Level Sensitive Source
External Interrupt Edge Triggered Source
External Interrupt Level Sensitive Source
Global interrupt latencies depend on several parameters, including:
This section addresses only the hardware resynchronizations. It gives details of the latency
times between the event on an external interrupt leading in a valid interrupt (edge or level) or the
assertion of an internal interrupt source and the assertion of the nIRQ or nFIQ line on the pro-
cessor. The resynchronization time depends on the programming of the interrupt source and on
its type (internal or external). For the standard interrupt, resynchronization times are given
assuming there is no higher priority in progress.
The PIO Controller multiplexing has no effect on the interrupt latencies of the external interrupt
sources.
• The time the software masks the interrupts.
• Occurrence, either at the processor level or at the AIC level.
• The execution time of the instruction in progress when the interrupt occurs.
• The treatment of higher priority interrupts and the resynchronization of the hardware signals.
(Negative Edge)
(Positive Edge)
IRQ or FIQ
IRQ or FIQ
nIRQ
MCK
nFIQ
(High Level)
(Low Level)
IRQ or FIQ
IRQ or FIQ
nIRQ
nFIQ
MCK
Maximum IRQ Latency = 4 Cycles
Maximum FIQ Latency = 4 Cycles
Latency = 3 Cycles
Latency = 3 cycles
Maximum IRQ
Maximum FIQ
6221I–ATARM–17-Jul-09
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