参数资料
型号: AT91EB40A
厂商: Atmel
文件页数: 13/40页
文件大小: 0K
描述: KIT EVAL FOR ARM AT91R40008
产品培训模块: MCU Product Line Introduction
标准包装: 1
系列: AT91SAM 智能 ARM
类型: MCU
适用于相关产品: AT91R40008
所含物品: 评估板,线缆,电源插孔,CD-ROM
相关产品: AT91R40008-66AU-999-ND - IC MCU 32BIT RISC 100LQFP
AT91R40008-66AU-ND - IC ARM7 MCU 100 LQFP
AT91R4000866AISL3-ND - IC ARM MCU 16BIT 100TQFP
AT91R40008-66AI-ND - IC ARM7 MCU 176 TQFP
Section 3
The On-board Software
3.1
The AT91EB40A
The AT91EB40A Evaluation Board embeds an AT49BV1604 or AT49BV1614 Flash
Evaluation Board memory device programmed with default software.
When delivered, the Flash memory device contains:
! the Boot Software Program
! the Functional Test Software (FTS)
! the Flash uploader
! the Angel Debug Monitor
! a default user boot with a default application (LED Swing Application)
The boot software program, functional test software (FTS), and the Flash downloader
are in sectors 0 and 1 of the Flash device. Sectors 3 to 8 support the Angel Debug Mon-
itor. The default user boot with a default application is located in sector 24.
These sectors are not locked in order to provide an easy on-board upgrade. The user
must avoid overwriting these sectors. The remaining sectors are user definable, and can
be programmed using one of the Flash downloader "Flash_16x4" solutions offered in
the AT91 library. See “Appendix D – Flash Memory Mapping” on page 8-1 for further
details.
3.2
Boot Software
Program
The boot software program configures the AT91R40008, and thus controls the memory
and other board components.
The boot software program is started at reset if JP1 is in the STD position. If JP1 is in
the USER position, the AT91R40008 boots from address 0x01100000 in the Flash,
which must have a user-defined boot.
The boot software program first initializes the EBI, then executes the REMAP procedure
and, finally, checks the state of the buttons as described below.
! When the SW1 button is pressed:
All the LEDs light up together.
The D1 LED remains lit when SW1 is released.
The Functional Test Software (FTS) is started.
! The SW2 button is reserved.
AT91EB40A Evaluation Board User Guide
3-1
Rev. 2635C–ATARM–13-May-05
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