參數(shù)資料
型號(hào): AT91M40807-33AI
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Microcontroller
中文描述: 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 1.40 MM HEIGHT, TQFP-100
文件頁數(shù): 45/153頁
文件大小: 1837K
代理商: AT91M40807-33AI
45
AT91X40 Series
1354D
ATARM
05/02
EBI User Interface
The EBI is programmed using the registers listed in the table below. The Remap Control
Register (EBI_RCR) controls exit from Boot Mode (See
Boot on NCS0
on page 26.)
The Memory Control Register (EBI_MCR) is used to program the number of active chip
selects and data read protocol. Eight Chip Select Registers (EBI_CSR0 to EBI_CSR7)
are used to program the parameters for the individual external memories. Each
EBI_CSR must be programmed with a different base address, even for unused chip
selects.
Base Address:
0xFFE00000 (Code Label
EBI_BASE
)
Notes:
1. 8-bit boot (if BMS is detected high)
2. 16-bit boot (if BMS is detected low)
Table 6.
EBI Memory Map
Offset
Register
Name
Access
Reset State
0x00
Chip Select Register 0
EBI_CSR0
Read/Write
0x0000203E
(1)
0x0000203D
(2)
0x04
Chip Select Register 1
EBI_CSR1
Read/Write
0x10000000
0x08
Chip Select Register 2
EBI_CSR2
Read/Write
0x20000000
0x0C
Chip Select Register 3
EBI_CSR3
Read/Write
0x30000000
0x10
Chip Select Register 4
EBI_CSR4
Read/Write
0x40000000
0x14
Chip Select Register 5
EBI_CSR5
Read/Write
0x50000000
0x18
Chip Select Register 6
EBI_CSR6
Read/Write
0x60000000
0x1C
Chip Select Register 7
EBI_CSR7
Read/Write
0x70000000
0x20
Remap Control Register
EBI_RCR
Write only
0x24
Memory Control
Register
EBI_MCR
Read/Write
0
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