AT91SAM9XE512-QU Atmel, AT91SAM9XE512-QU Datasheet - Page 592
![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
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Manufacturer
Quantity
Price
Company:
Part Number:
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Quantity:
40 000
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Manufacturer:
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36.5
36.5.1
36.5.2
36.5.3
592
Functional Description
AT91SAM9XE128/256/512 Preliminary
TC Description
16-bit Counter
Clock Selection
The three channels of the Timer Counter are independent and identical in operation. The regis-
ters for channel programming are listed in
Each channel is organized around a 16-bit counter. The value of the counter is incremented at
each positive edge of the selected clock. When the counter has reached the value 0xFFFF and
passes to 0x0000, an overflow occurs and the COVFS bit in TC_SR (Status Register) is set.
The current value of the counter is accessible in real time by reading the Counter Value Regis-
ter, TC_CV. The counter can be reset by a trigger. In this case, the counter value passes to
0x0000 on the next valid edge of the selected clock.
At block level, input clock signals of each channel can either be connected to the external inputs
TCLK0, TCLK1 or TCLK2, or be connected to the internal I/O signals TIOA0, TIOA1 or TIOA2
for chaining by programming the TC_BMR (Block Mode). See
Each channel can independently select an internal or external clock source for its counter:
•
•
This selection is made by the TCCLKS bits in the TC Channel Mode Register.
The selected clock can be inverted with the CLKI bit in TC_CMR. This allows counting on the
opposite edges of the clock.
The burst function allows the clock to be validated when an external signal is high. The BURST
parameter in the Mode Register defines this signal (none, XC0, XC1, XC2). See
page 593
Note:
Internal clock signals: TIMER_CLOCK1, TIMER_CLOCK2, TIMER_CLOCK3,
TIMER_CLOCK4, TIMER_CLOCK5
External clock signals: XC0, XC1 or XC2
In all cases, if an external clock is used, the duration of each of its levels must be longer than the
master clock period. The external clock frequency must be at least 2.5 times lower than the mas-
ter clock
Table 36-4 on page
Figure 36-2 on page
605.
6254C–ATARM–22-Jan-10
Figure 36-3 on
593.
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