参数资料
型号: AT91SAM9X25-EK
厂商: Atmel
文件页数: 16/95页
文件大小: 0K
描述: KIT EVAL FOR AT91SAM9G25
标准包装: 1
系列: AT91SAM
类型: MCU
适用于相关产品: AT91SAM9X25
所含物品: 板,线缆,电源
Evaluation Kit Hardware
4.2.3
4.2.3.1
4.2.3.2
Function Blocks
Processor
The CM Board is equipped with an Atmel ARM-based embedded MPU, as listed below, in a 217-ball
BGA package. The five devices share an identical footprint. All five share the same CM Board PCB with
minor configuration differences.
The five devices are:
SAM9G15
SAM9G25
SAM9G35
SAM9X25
SAM9X35
As different interfaces can be defined using the same pins, it depends on the actual configuration of the
CPU as to which functions are in fact available to the EK board.
Refer to Section 4.2.4.1 ”Chip Identification” for details. The processor runs at a nominal frequency of
400 MHz for the core and 133 MHz for the system bus.
The peripheral configuration possibilities and implementation requirements of the CM are dependent on
the module's chipset. Two configuration resistors are implemented on board in order to select the mode
of configuration.
Clock Circuitry
The CM includes 3 clock sources:
Two are alternatives for the processor main clock
One crystal and one crystal oscillator are used for the Ethernet MII/RMII chip
Table 4-3. Main Components Associated with the Clock Systems
4.2.3.3
Quantity
1
1
1
Reset Circuitry
Description
Crystal for Internal Clock, 12 MHz
Crystal for RTC Clock, 32.768 kHz
Oscillator for Ethernet Clock RMII, 50 MHz
Component assignment
Y1
Y2
Y3
The reset sources for the CM board are:
Power on reset
Push button reset (Push button is equipped on EK board)
JTAG reset from an in-circuit emulator (JTAG interface is equipped on EK board)
Evaluation Kit (EK) User Guide
4-5
11115A–ATARM–27-Jul-11
相关PDF资料
PDF描述
AT91SAM9G25-EK KIT EVAL FOR AT91SAM9G25
V300C15C75BG3 CONVERTER MOD DC/DC 15V 75W
AIUR-06-332K INDUCTOR POWER 3300UH 10% T/H
AFK227M63H32T-F CAP ALUM 220UF 63V 20% SMD
V300C15C75BG2 CONVERTER MOD DC/DC 15V 75W
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