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參數資料
| 型號： | FM8P51EF |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | EPROM/ROM-Based 8-Bit Microcontroller |
| 中文描述： | 存儲器/基于ROM的8位微控制器 |
| 文件頁數： | 5/60頁 |
| 文件大?。?/td> | 369K |
| 代理商： | FM8P51EF |
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FM8P51
Rev1.2 Mar 15, 2005
P.5/FM8P51
FEELING
TECHNOLOGY
1.0
MEMORY ORGANIZATION
FM8P51 series memory is organized into program memory and data memory.
1.1 Program Memory Organization
The FM8P51 series have an 12-bit Program Counter capable of addressing a 4K×13 program memory space.
The RESET vector for the FM8P51 series is at FFFh.
The H/W interrupt vector is at 001h. And the S/W interrupt vector is at 002h.
FM8P51 series has program memory size greater than 1K words, but the CALL and GOTO instructions only have a
10-bit address range. This 10-bit address range allows a branch within a 1K program memory page size. To allow
CALL and GOTO instructions to address the entire 4K program memory address range for FM8P51 series, there is
another two bits to specify the program memory page. This paging bit comes from the PG<1:0> bits (STATUS<6:5>).
When doing a CALL or GOTO instruction, the user must ensure that page bit PG<1:0> are programmed so that the
desired program memory page is addressed. When one of the return instructions is executed, the entire 12-bit PC is
POPed from the stack. Therefore, manipulation of the PG <1:0> is not required for the return instructions.
FIGURE 1.1: Program Memory Map and STACK
PC<11:0>
Stack 1
Stack 2
Stack 3
Stack 4
Stack 5
FFFh
Reset Vector
:
:
002h S/W Interrupt Vector
001h H/W Interrupt Vector
000h
FM8P51 Series
相關PDF資料 |
PDF描述 |
|---|---|
| FM8P51EP | EPROM/ROM-Based 8-Bit Microcontroller |
| FM8P51F | EPROM/ROM-Based 8-Bit Microcontroller |
| FM8P51P | EPROM/ROM-Based 8-Bit Microcontroller |
| FM8P51E | EPROM/ROM-Based 8-Bit Microcontroller |
| FM8P54 | EPROM/ROM-Based 8-Bit Microcontroller Series |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FM8P51EP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller |
| FM8P51F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller |
| FM8P51P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller |
| FM8P54 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller Series |
| FM8P54E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller Series |
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