參數(shù)資料
型號: M38049FFHSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PDIP64
封裝: 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件頁數(shù): 21/116頁
文件大小: 1261K
代理商: M38049FFHSP
Rev.1.01
Jan 25, 2005
page 12 of 114
REJ03B0131-0101Z
3804 Group (Spec. H)
MEMORY
Special Function Register (SFR) Area
The Special Function Register area in the zero page contains con-
trol registers such as I/O ports and timers.
RAM
The RAM is used for data storage and for stack area of subroutine
calls and interrupts.
ROM
The ROM area can program/erase.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
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.
Fig. 10 Memory map diagram
010016
000016
004016
FF0016
FFDC16
FFFE16
FFFF16
192
256
384
512
640
768
896
1024
1536
2048
XXXX16
00FF16
013F16
01BF16
023F16
02BF16
033F16
03BF16
043F16
063F16
083F16
4096
8192
12288
16384
20480
24576
28672
32768
36864
40960
45056
49152
53248
57344
61440
F00016
E00016
D00016
C00016
B00016
A00016
900016
800016
700016
600016
500016
400016
300016
200016
100016
YYYY16
RAM
ROM
0FF016
0FFF16
SFR area
Not used
Interrupt vector area
ROM area
Zero page
Special page
RAM area
RAM size
(bytes)
Address
XXXX16
ROM size
(bytes)
Address
YYYY16
SFR area
Not used
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