AT91SAM9XE512-QU Atmel, AT91SAM9XE512-QU Datasheet - Page 256
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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Quantity
Price
Company:
Part Number:
AT91SAM9XE512-QU
Manufacturer:
VISHAY
Quantity:
40 000
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24.6.4
Register Name:
Address:
Access Type:
Reset Value:
• LPCB: Low-power Configuration Bits
• PASR: Partial Array Self-refresh (only for low-power SDRAM)
PASR parameter is transmitted to the SDRAM during initialization to specify whether only one quarter, one half or all banks
of the SDRAM array are enabled. Disabled banks are not refreshed in self-refresh mode. This parameter must be set
according to the SDRAM device specification.
• TCSR: Temperature Compensated Self-Refresh (only for low-power SDRAM)
TCSR parameter is transmitted to the SDRAM during initialization to set the refresh interval during self-refresh mode
depending on the temperature of the low-power SDRAM. This parameter must be set according to the SDRAM device
specification.
• DS: Drive Strength (only for low-power SDRAM)
DS parameter is transmitted to the SDRAM during initialization to select the SDRAM strength of data output. This parame-
ter must be set according to the SDRAM device specification.
6254C–ATARM–22-Jan-10
00
01
10
11
31
23
15
–
–
–
7
–
SDRAMC Low Power Register
Low Power Feature is inhibited: no Power-down, Self-refresh or Deep Power-down command is issued to
the SDRAM device.
The SDRAM Controller issues a Self-refresh command to the SDRAM device, the SDCLK clock is
deactivated and the SDCKE signal is set low. The SDRAM device leaves the Self Refresh Mode when
accessed and enters it after the access.
The SDRAM Controller issues a Power-down Command to the SDRAM device after each access, the
SDCKE signal is set to low. The SDRAM device leaves the Power-down Mode when accessed and
enters it after the access.
The SDRAM Controller issues a Deep Power-down command to the SDRAM device. This mode is
unique to low-power SDRAM.
30
22
14
SDRAMC_LPR
0xFFFFEA10
Read-write
0x0
–
–
–
6
PASR
29
21
13
–
–
5
TIMEOUT
AT91SAM9XE128/256/512 Preliminary
28
20
12
–
–
4
27
19
11
–
–
3
–
DS
26
18
10
–
–
2
–
25
17
–
–
9
1
TCSR
LPCB
24
16
–
–
8
0
256
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