參數(shù)資料
型號(hào): M38837G6HP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 3/81頁
文件大?。?/td> 766K
代理商: M38837G6HP
Rev.1.00
Oct 26, 2004
page 11 of 79
3883 Group
MEMORY
RAM
RAM is used for data storage and for stack area of subroutine
calls and interrupts.
ROM
ROM is used for program code and data table storage.
The first 128 bytes and the last 2 bytes of ROM are reserved for
device testing code and the rest is user area.
Zero Page
Access to this area with only 2 bytes is possible in the zero page
addressing mode.
Special Page
Access to this area with only 2 bytes is possible in the special
page addressing mode.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
Special Function Register (SFR) Area
The special function register area contains the control registers
such as I/O ports, timers, etc.
Fig. 8 Memory map diagram
010016
000016
004016
FF0016
FFDC16
FFFE16
FFFF16
XXXX16
YYYY16
ZZZZ16
RAM
ROM
1024
043F16
0FF016
0FFF16
SFR area
Not used
Interrupt vector area
Reserved ROM area
(Note) (128 bytes)
Zero page
Special page
RAM area
RAM size
(bytes)
Address
XXXX16
Reserved ROM area
(Note)
SFR area
Notes: This area is reserved in the Qz ROM version.
ROM area
ROM size
(bytes)
Address
YYYY16
Address
ZZZZ16
24576
A00016
A08016
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