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PDF MG86FL104 Data sheet ( Hoja de datos )
| Número de pieza | MG86FL104 | |
| Descripción | 8051-Based MCU | |
| Fabricantes | Megawin | |
| Logotipo |  |
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8051-Based MCU
MG86FE/L104
Data Sheet
Version: A1.5
is document contains information on a new product under development by Megawin. Megawin reserves the right to change or
discontinue this product without notice.
Megawin Technology Co., Ltd. 2005 All rights reserved.
2015/05 version A1.5
1 page  
Content
Features ............................................................................................................ 3
Content ............................................................................................................. 5
1. General Description .................................................................................... 9
2. Block Diagram .......................................................................................... 10
3. Special Function Register ......................................................................... 11
3.1. SFR Map .......................................................................................................................11
3.2. SFR Bit Assignment.......................................................................................................12
3.3. Auxiliary SFR Map (Page P) ..........................................................................................13
3.4. Auxiliary SFR Bit Assignment (Page P) .........................................................................14
4. Pin Configurations..................................................................................... 15
4.1. Package Instruction .......................................................................................................15
4.2. Pin Description ..............................................................................................................16
5. 8051 CPU Function Description................................................................ 17
5.1. CPU Register.................................................................................................................17
5.2. CPU Timing ...................................................................................................................19
5.3. CPU Addressing Mode ..................................................................................................19
6. Memory Organization................................................................................ 20
6.1. On-Chip Program Flash .................................................................................................20
6.2. On-Chip Data RAM........................................................................................................21
6.3. Declaration Identifiers in a C51-Compiler.......................................................................23
7. Data Pointer Register (DPTR)................................................................... 24
8. System Clock............................................................................................ 25
8.1. Clock Structure ..............................................................................................................25
8.2. Clock Register ...............................................................................................................26
8.3. Clock Sample Code .......................................................................................................28
9. Watch Dog Timer (WDT) .......................................................................... 31
9.1. WDT Structure...............................................................................................................31
9.2. WDT During Idle and Power Down ................................................................................31
9.3. WDT Register ................................................................................................................32
9.4. WDT Hardware Option...................................................................................................33
9.5. WDT Sample Code........................................................................................................34
10. System Reset ........................................................................................... 36
10.1. Reset Source.................................................................................................................36
10.2. Power-On Reset ............................................................................................................36
10.3. External Reset ...............................................................................................................37
10.4. Software Reset ..............................................................................................................37
10.5. Illegal Address Reset.....................................................................................................37
10.6. Brown-Out Reset ...........................................................................................................38
10.7. WDT Reset ....................................................................................................................38
10.8. Reset Sample Code.......................................................................................................39
11. Power Management.................................................................................. 40
11.1. Brown-Out Detector .......................................................................................................40
11.2. Power Saving Mode.......................................................................................................40
11.2.1. Slow Mode..................................................................................................................40
11.2.2. Sub-Clock Mode .........................................................................................................40
11.2.3. Watch Mode ...............................................................................................................41
11.2.4. Monitor Mode (L-Series Only) .....................................................................................41
11.2.5. Idle Mode....................................................................................................................41
MEGAWIN
MG86FE/L104 Data Sheet
5
5 Page 
3. Special Function Register
3.1. SFR Map
Table 3–1. SFR Map
0/8 1/9
F8 --
--
F0 B
--
E8 P4
--
E0 ACC
D8 --
D0 PSW
WDTCR
--
--
C8 --
--
C0 --
B8 IP0L
--
SADEN
B0 P3
P3M0
A8 IE
SADDR
A0 --
AUXR0
98 SCON
SBUF
90 P1
P1M0
88 TCON
TMOD
80 --
SP
0/8 1/9
2/A
--
--
--
IFD
--
--
--
--
--
P3M1
--
AUXR1
--
--
TL0
DPL
2/A
3/B
--
--
--
IFADRH
--
--
--
--
--
P4M0
--
AUXR2
--
--
TL1
DPH
3/B
4/C
--
--
--
IFADRL
--
--
--
--
--
PUCON0
--
--
--
TH0
--
4/C
5/D
--
--
--
IFMT
--
--
--
--
--
EIE1
--
--
--
TH1
--
5/D
6/E
--
--
--
SCMD
--
P3KBIE
--
--
--
EIP1L
--
--
SFIE
--
6/E
7/F
--
--
--
ISPCR
--
P1KBIE
--
CKCON0
IP0H
EIP1H
--
PCON1
--
PCON0
7/F
MEGAWIN
MG86FE/L104 Data Sheet
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MG86FL104.PDF ] | |
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