AT91SAM7S64B-MU Atmel, AT91SAM7S64B-MU Datasheet - Page 13
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AT91SAM7S64B-MU
Manufacturer Part Number
AT91SAM7S64B-MU
Description
IC ARM7 MCU FLASH 64K 64QFN
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7S64B-MU.pdf
(51 pages)
Specifications of AT91SAM7S64B-MU
Package / Case
64-QFN
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
55MHz
Number Of I /o
32
Core Processor
ARM7
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, SPI, SSC, UART/USART, USB
Core Size
16/32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
5.4
6175JS–ATARM–28-Jul-11
Typical Powering Schematics
Adequate input supply decoupling is mandatory for VDDIN in order to improve startup stability
and reduce source voltage drop. The input decoupling capacitor should be placed close to the
chip. For example, two capacitors can be used in parallel: 100 nF NPO and 4.7 µF X7R.
The SAM7S Series supports a 3.3V single supply mode. The internal regulator is connected to
the 3.3V source and its output feeds VDDCORE and the VDDPLL.
schematics to be used for USB bus-powered systems.
Figure 5-1.
3.3V System Single Power Supply Schematic
from 4.5V (USB)
Power Source
ranges
to 18V
DC/DC Converter
3.3V
SAM7S Series Summary
VDDFLASH
VDDCORE
VDDOUT
VDDPLL
VDDIO
VDDIN
Regulator
Voltage
Figure 5-1
shows the power
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