AT91SAM9XE512-QU Atmel, AT91SAM9XE512-QU Datasheet - Page 316
![MCU ARM9 512K FLASH 208-PQFP](/photos/6/73/67311/313-208-pqfp_sml.jpg)
AT91SAM9XE512-QU
Manufacturer Part Number
AT91SAM9XE512-QU
Description
MCU ARM9 512K FLASH 208-PQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9XE128-QU.pdf
(860 pages)
Specifications of AT91SAM9XE512-QU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
56K 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
208-MQFP, 208-PQFP
Controller Family/series
AT91SAM9xxxxx
No. Of I/o's
96
Ram Memory Size
32KB
Cpu Speed
180MHz
No. Of Timers
2
Rohs Compliant
Yes
Data Bus Width
32 bit
Data Ram Size
32 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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Package
208PQFP
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
180 MHz
Operating Supply Voltage
1.8|2.5|3.3 V
For Use With
AT91SAM9XE-EK - KIT EVAL FOR AT91SAM9XEAT91SAM-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
Company:
Part Number:
AT91SAM9XE512-QU
Manufacturer:
VISHAY
Quantity:
40 000
Company:
Part Number:
AT91SAM9XE512-QU
Manufacturer:
Atmel
Quantity:
58
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27.4
27.5
27.6
27.6.1
316
Slow Clock RC Oscillator
Slow Clock Selection
Main Oscillator
AT91SAM9XE128/256/512 Preliminary
Main Oscillator Connections
Figure 27-2. Typical Slow Clock Crystal Oscillator Connection
The user has to take into account the possible drifts of the RC Oscillator. More details are given
in the section “DC Characteristics” of the product datasheet.
The AT91SAM9XE128/256/512 slow clock can be generated either by an external 32,768 Hz
crystal or the on-chip RC oscillator.
The startup counter delay for the slow clock oscillator depends on the OSCSEL signal. The
32,768 Hz startup delay is 1200 ms whereas it is 200 µs for the internal RC oscillator. The pin
OSCSEL must be tied either to GNDBU or VDDBU for correct operation of the device.
Refer to the Slow Clock Selection table in the Electrical Characteristics section of the product
datasheet for the states of the OSCSEL signal.
Figure 27-3
Figure 27-3. Main Oscillator Block Diagram
The Clock Generator integrates a Main Oscillator that is designed for a
crystal. The typical crystal connection is illustrated in
shows the Main Oscillator block diagram.
Slow Clock
XOUT
SLCK
XIN
XIN32
32,768 Hz
Crystal
Main Clock
Frequency
OSCOUNT
Oscillator
MOSCEN
Oscillator
Counter
Counter
Main
Main
XOUT32
Figure
GNDBU
27-4. The 1 k
Main Clock
MAINCK
MAINRDY
MOSCS
MAINF
3 to 20
6254C–ATARM–22-Jan-10
Ω
MHz fundamental
resistor is only
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