參數(shù)資料
型號： ADSP-2105BP-80
廠商： Analog Devices Inc
文件頁數(shù)： 3/64頁
文件大?。?/td> 0K
描述： IC DSP CONTROLLER 16BIT 68PLCC
標(biāo)準(zhǔn)包裝： 19
系列： ADSP-21xx
類型： 定點
接口： 同步串行端口（SSP）
時鐘速率： 20MHz
非易失內(nèi)存： 外部
芯片上RAM： 3kB
電壓 - 輸入/輸出： 5.00V
電壓 - 核心： 5.00V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 68-LCC（J 形引線）
供應(yīng)商設(shè)備封裝： 68-PLCC（24.23x24.23）
包裝： 管件
ADSP-21xx
REV. B
–11–
ADSP-2101/ADSP-2103/ADSP-2111
When MMAP = 0, on-chip program memory RAM occupies
2K words beginning at address 0x0000. Off-chip program
memory uses the remaining 14K words beginning at address
0x0800. In this configuration–when MMAP = 0–the boot
loading sequence (described below in “Boot Memory Inter-
face”) is automatically initiated when RESET is released.
When MMAP = 1, 14K words of off-chip program memory
begin at address 0x0000 and on-chip program memory RAM is
located in the upper 2K words, beginning at address 0x3800. In
this configuration, program memory is not booted although it
can be written to and read under program control.
ADSP-2105/ADSP-2115
When MMAP = 0, on-chip program memory RAM occupies
1K words beginning at address 0x0000. Off-chip program
memory uses the remaining 14K words beginning at address
0x0800. In this configuration–when MMAP = 0–the boot
loading sequence (described below in “Boot Memory Inter-
face”) is automatically initiated when RESET is released.
When MMAP = 1, 14K words of off-chip program memory
begin at address 0x0000 and on-chip program memory RAM is
located in the 1K words between addresses 0x3800–0x3BFF. In
this configuration, program memory is not booted although it
can be written to and read under program control.
INTERNAL
RAM
LOADED FROM
EXTERNAL
BOOT MEMORY
EXTERNAL
0x07FF
0x0800
0x3FFF
0x0000
EXTERNAL
No Booting
0x37FF
0x3800
0x3FFF
0x0000
MMAP=0
MMAP=1
INTERNAL
RAM
2K
14K
2K
14K
Figure 6. ADSP-2101/ADSP-2103/ADSP-2111 Program
Memory Maps
Figure 8. ADSP-2105/ADSP-2115 Program Memory Maps
Figure 7. ADSP-2161/62 Program Memory Maps
Figure 9. ADSP-2163/64 Program Memory Maps
0x07FF
0x0800
0x1FF0
0x1FFF
0x2000
0x1FF0
0x1FFF
0x2000
MMAP=0
0x3FFF
0x0000
8K
EXTERNAL
8K
INTERNAL
ROM
0x0000
MMAP=1
0x3FFF
0x3800
0x37FF
2K
EXTERNAL
6K
INTERNAL
ROM
6K
EXTERNAL
2K
INTERNAL
ROM
RESERVED
INTERNAL RAM
LOADED FROM
EXTERNAL
BOOT MEMORY
EXTERNAL
0x03FF
0x0400
0x3FFF
0x0000
EXTERNAL
0x3BFF
0x3C00
0x3FFF
0x0000
MMAP=0
MMAP=1
No Booting
0x37FF
0x3800
0x07FF
0x0800
RESERVED
1K
14K
1K
INTERNAL RAM
1K
RESERVED
4K
INTERNAL
ROM
12K
EXTERNAL
0x3FFF
0x0000
2K
EXTERNAL
0x3FFF
0x0000
MMAP=0
MMAP=1
0x37FF
0x3800
2K
INTERNAL
ROM
2K
INTERNAL
ROM
10K
EXTERNAL
0x07FF
0x0800
0x0FF0
0x0FFF
0x1000
0x0FF0
RESERVED
0x0FFF
0x1000
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