参数资料
型号: M30262F3GP-D9
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数: 3/39页
文件大小: 245K
代理商: M30262F3GP-D9
M16C/26 Group
3. Memory
Rev.1.00
2004.6.10
page 11 of 37
REJ09B0176-0100Z
3. Memory
Figure 3.1 is a memory map of the M16C/26 group. The address space extends the 1M bytes from address
0000016 to FFFFF16.
The internal ROM is allocated in a lower address direction beginning with address FFFFF16. For example,
a 32-Kbyte internal ROM is allocated to the addresses from F800016 to FFFFF16.
The fixed interrupt vector table is allocated to the addresses from FFFDC16 to FFFFF16. Therefore, store
the start address of each interrupt routine here.
The internal RAM is allocated in an upper address direction beginning with address 0040016. For example,
a 1-Kbytes internal RAM is allocated to the addresses from 0040016 to 007FF16. In addition to storing data,
the internal RAM also stores the stack used when calling subroutines and when interrupts are generated.
The SRF is allocated to the addresses from 0000016 to 003FF16. Peripheral function control registers are
located here. Of the SFR, any area which has no functions allocated is reserved for future use and cannot
be used by users.
The special page vector table is allocated to the addresses from FFE0016 to FFFDB16. This vector is used
by the JMPS or JSRS instruction. For details, refer to the “M16C/60 and M16C/20 Series Software Manual.”
Figure 3.1. Memory Map
0000016
XXXXX16
Internal ROM
(Data area)
Internal ROM
(Program area)
SFR
Internal RAM
Reserved area
FFE0016
FFFDC16
FFFFF16
Note 1: Shown here is a Block A (2K bytes) and Block B (2K bytes).
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer
Reset
Special page
vector table
DBC
NMI
1K bytes
007FF16
00BFF16
Address XXXXX16
2K bytes
Size
Address YYYYY16
Size
F800016
F400016
FA00016
48K bytes
24K bytes
32K bytes
Reserved area
0040016
0F00016
0FFFF16
YYYYY16
FFFFF16
(Note 1)
F000016
64K bytes
Internal RAM
Internal ROM
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