參數(shù)資料
型號: M32000D3FP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 66.6 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 84/155頁
文件大?。?/td> 1340K
代理商: M32000D3FP
3-4
M32000D3FP User's Manual
ADDRESS SPACE
3.2 User space
The user space is specified by SID = 0 (H'0000 0000 to H'7FFF FFFF). The area available to the user is
16 MB in address H'0000 0000 to address H'00FF FFFF. This area is divided between the internal DRAM
area and an external area. In unused areas of the 16 MB, ghost addresses are recognized, however, do
not deliberately use ghost areas when programming.
3.2.1 Internal DRAM area
The internal DRAM (1 MB) is allocated from address H'0000 0000 to address H'000F FFFF. The EIT vector
entry (other than the reset interrupt) is allocated in the address H'0000 0000 to address H'0000 008F of
this area.
The internal DRAM is connected to the M32R CPU via a 4 KB cache memory with a 128-bit bus. When
the M32000D3FP is in the hold state, the internal DRAM can be accessed from an external bus master
by inputting control signals.
3.2.2 External area
The external area consists of 15 MB from address H'0010 0000 to address H'00FF FFFF. When this space
is accessed, the control signals to access external devices are output. The bottom 16 bytes in this area
(H'00FF FFF0 to H'00FF FFFF) are the reset interrupt EIT vector entry.
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