AT91SAM7S512-MU-999 Atmel, AT91SAM7S512-MU-999 Datasheet - Page 173
AT91SAM7S512-MU-999
Manufacturer Part Number
AT91SAM7S512-MU-999
Description
IC MCU ARM7 512KB FLASH 64-VQFN
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S512-MU-999
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
512KB (512K 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
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
-
- Current page: 173 of 779
- Download datasheet (11Mb)
Figure 23-10. Fast Forcing
6175K–ATARM–30-Aug-10
Source 0 _ FIQ
Source n
All enabled and pending interrupt sources that have the fast forcing feature enabled and that are
programmed in edge-triggered mode must be cleared by writing to the Interrupt Clear Command
Register. In doing so, they are cleared independently and thus lost interrupts are prevented.
The read of AIC_IVR does not clear the source that has the fast forcing feature enabled.
The source 0, reserved to the fast interrupt, continues operating normally and becomes one of
the Fast Interrupt sources.
Automatic Clear
Automatic Clear
Input Stage
Input Stage
Read IVR if Source n is the current interrupt
and if Fast Forcing is disabled on Source n.
Read FVR if Fast Forcing is
disabled on Sources 1 to 31.
AIC_IPR
AIC_IPR
AIC_IMR
AIC_IMR
AT91SAM7S Series Preliminary
AIC_FFSR
Manager
Priority
nIRQ
nFIQ
173
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