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参数资料
| 型号： | M302801FCHP-U9 |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 12 X 12 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-80 |
| 文件页数： | 17/35页 |
| 文件大小： | 399K |
| 代理商： | M302801FCHP-U9 |
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3. Memory
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3. Memory
Figure 3.1 is a memory map of the M16C/28 Group (M16C/28, M16C/28B). M16C/28 Group provides 1-
Mbyte address space from addresses 0000016 to FFFFF16. The internal ROM is allocated lower addresses
beginning with address FFFFF16. For example, 64 Kbytes internal ROM is allocated addresses F000016 to
FFFFF16.
Two 2-Kbyte internal ROM areas, block A and block B, are available in the flash memory version. The
blocks are allocated addresses F00016 to FFFF16.
The fixed interrupt vector tables are allocated addresses FFFDC16 to FFFFF16. It stores the starting ad-
dress of each interrupt routine. See the section on interrupts for details.
The internal RAM is allocated higher addresses beginning with address 0040016. For example, 4-Kbytes
internal RAM is allocated addresses 0040016 to 013FF16. Besides storing data, it becomes stacks when the
subroutine is called or an interrupt is acknowledged.
SFR, consisting of control registers for peripheral functions such as I/O port, A/D converter, serial I/O,
timers is allocated addresses 0000016 to 003FF16. All blank spaces within SFR are reserved and cannot be
accessed by users.
The special page vector table is allocated to the addresses 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
FFFFF16
0040016
YYYYY16
Internal ROM Area
(program space)
SFR Area
Internal RAM Area
FFE0016
FFFDC16
FFFFF16
Undefined Instruction
Overflow
BRK Instruction
Address Match
Single Step
Watchdog Timer
Reset
Special Page
Vector Table
DBC
RESERVED
Internal ROM Area
(data space)
RESERVED
0F00016
XXXXX16
YYYYY16
Internal RAM area
Internal ROM area
Memory size
013FF16
01AFF16
F400016
F000016
4K bytes
6K bytes
48K bytes
64K bytes
Memory size
E800016
96K bytes
NOTES:
1. The block A (2K bytes) and block B (2K bytes) are shown (only flash memory).
2. Do not write to the internal ROM area in Mask ROM ver..
(1)
0FFFF16
NMI
023FF16
8K bytes
E000016
128K bytes
033FF16
12K bytes
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M30280F6HP | 制造商:Renesas Electronics Corporation 功能描述:IC,microcontroller,M16C/Tiny,1 |
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| M30280F6HP#D7 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 48KB FLASH 3.3V/5V 80LQFP - Trays |
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