eb408070.inc

有关ATMEL AT91系列CPU的驱动函数库

#------------------------------------------------------------------------------
#-      ATMEL Microcontroller Software Support  -   ROUSSET -
#------------------------------------------------------------------------------
# The software is delivered "AS IS" without warranty or condition of any
# kind, either express, implied or statutory. This includes without
# limitation any warranty or condition with respect to merchantability or
# fitness for any particular purpose, or against the infringements of
# intellectual property rights of others.
#------------------------------------------------------------------------------
#- File Name            : eb40.inc
#- Object               : Evaluation Board EB40 Definition File.
#-
#- 1.0 06/04/00 JPP     : Creation
#- 1.1 30/10/00 JPP     : Additing the EBI description
#------------------------------------------------------------------------------

       	.INCLUDE     "../../parts/r40807/r40807.inc"      /* - library definition */

#- Flash Memory : AT49BV1614 
.EQU	FLASH_BASE,      0x01000000
.EQU	FLASH_SIZE,      0x200000

# **************
# * WARNING !!!*
# ************** 
#- WARNING !! No External SRAM memories are fitted on the board.
#- This definition is only if the user adds external SRAM devices.

# The following definition are put in comments
#- EXT_SRAM_BASE   EQU     0x02000000
#- EXT_SRAM_SIZE   EQU     (256*1024)
#- EXT_SRAM_LIMIT  EQU     (EXT_SRAM_BASE + EXT_SRAM_SIZE)

#- Redefinition of External SRAM to Internal SRAM
.EQU	EXT_SRAM_BASE,   RAM_LIMIT                   @ 8K (8*1024)
.EQU	EXT_SRAM_SIZE,   (RAM_SIZE-RAM_LIMIT)        @ 256K (256*1024) - 8K (8*1024)
.EQU	EXT_SRAM_LIMIT,  (RAM_BASE + RAM_SIZE)       @ = SRAM_LIMIT = 0x40000

#------------------------------------------------------------------------------
#- EBI Initialization Data
#-------------------------
#- The EBI User Interface Image which is copied by the boot.
#- 32,768MHz master clock assumed.
#- That's hardware! Details in the Electrical Datasheet of the AT91 device.
#- EBI Base Address is added at the end for commodity in copy code.
#------------------------------------------------------------------------------
.EQU	EBI_CSR_0,   	 (FLASH_BASE | 0x2529)   /* 0x01000000, 16MB, 2 tdf, 16 bits, 2 WS  */

.IFDEF AT91_EXT_RAM      /* 0x02000000, 16MB, 0 hold, 16 bits, 1 WS */                  
.EQU	EBI_CSR_1,       (EXT_SRAM_BASE|0x2122)  @ Extern RAM access address and configurations.

.ELSE
.EQU	EBI_CSR_1,        0x10000000  @ unused
.ENDIF

.EQU	EBI_CSR_2,   	  0x20000000  /* unused */
.EQU	EBI_CSR_3,   	  0x30000000  /* unused */
.EQU	EBI_CSR_4,   	  0x40000000  /* unused */
.EQU	EBI_CSR_5,   	  0x50000000  /* unused */
.EQU	EBI_CSR_6,   	  0x60000000  /* unused */
.EQU	EBI_CSR_7,   	  0x70000000  /* unused */


#--------------------------------
#- AT91EB40 Interfaces Definition
#--------------------------------

.EQU	LED1,        	P16         @- D1
.EQU	LED2,        	P17         @- D2
.EQU	LED3,        	P18         @- D3
.EQU	LED4,        	P19         @- D4
.EQU	LED5,        	P3          @- D5
.EQU	LED6,        	P4          @- D6
.EQU	LED7,        	P5          @- D7
.EQU	LED8,        	P6          @- D8
                                         
#- Push Button Definition

.EQU	BP_SW1,     	P12
.EQU	BP_SW2,     	P9
.EQU	BP_SW3,     	P1
.EQU	BP_SW4,     	P2

#- Serial EEPROM Definition 

.EQU	SCL,             (1<<8)
.EQU	SDA,             (1<<7)
.EQU	PIO_SCL,         (1<<8)
.EQU	PIO_SDA,         (1<<7)


#           END