AT91SAM7S512-MU-999 Atmel, AT91SAM7S512-MU-999 Datasheet - Page 57
![IC MCU ARM7 512KB FLASH 64-VQFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
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
-
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- Download datasheet (11Mb)
13. Reset Controller (RSTC)
13.1
13.2
6175K–ATARM–30-Aug-10
Overview
Block Diagram
The Reset Controller (RSTC), based on power-on reset cells, handles all the resets of the sys-
tem without any external components. It reports which reset occurred last.
The Reset Controller also drives independently or simultaneously the external reset and the
peripheral and processor resets.
A brownout detection is also available to prevent the processor from falling into an unpredictable
state.
Figure 13-1. Reset Controller Block Diagram
Main Supply
WDRPROC
bod_rst_en
brown_out
POR
wd_fault
NRST
nrst_out
AT91SAM7S Series Preliminary
Brownout
Counter
Manager
Startup
Manager
Reset Controller
NRST
user_reset
exter_nreset
bod_reset
SLCK
Manager
Reset
State
rstc_irq
proc_nreset
periph_nreset
57
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