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): 85/155頁
文件大?。?/td> 1340K
代理商: M32000D3FP
M32000D3FP User's Manual
ADDRESS SPACE
3-5
Fig. 3.3.1 Internal I/O area mapping
3.3 I/O space
The I/O space is specified by SID = 1 (H'8000 0000 to H'FFFF FFFF). The area available to the user is 16
MB in address H'FF00 0000 to address H'FFFF FFFF. This area is divided into the user I/O area, the system
area and the internal I/O area. In unused areas of the 16 MB, ghost addresses are recognized, however,
do not deliberately use ghost areas when programming.
The I/O space cannot be used for caching.
3.3.1 User I/O area
The user I/O area is 8 MB from address H'FF00 0000 to address H'FF7F FFFF. When this space is
accessed, the control signals to access external devices are output.
3.3.2 System area
The system area is 4 MB from address H'FF80 0000 to address H'FFBF FFFF. This area is reserved for
development tools such as in-circuit emulators or debug monitors. The user cannot use this area.
3.3.3 Internal I/O area
The internal I/O area is 4 MB from address H'FFC0 0000 to address H'FFFF FFFF. The memory controller
and programmable I/O port registers are allocated in this area.
H'FFC0 0000
H'FFFF FFE0
H'FFFF FFE4
H'FFFF FFE8
H'FFFF FFF8
H'FFFF FFFC
logical address
0
31
+3 address
(reserved)
+2 address
+1 address
+0 address
PPCR1
PPDR0
memory controller
PPDR1
(reserved)
MPMR
MCCR
PPCR0
H'FFFF FFEC
MLCR: lock control register
MPMR: power management control register
MCCR: cache control register
programmable I/O port
PPCR0: programmable I/O port direction control register 0
PPCR1: programmable I/O port direction control register 1
PPDR0: programmable port data register 0
PPDR1: programmable port data register 1
MLCR
H'FFFF FFF4
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