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PDF MPC82E54 Data sheet ( Hoja de datos )
| Número de pieza | MPC82E54 | |
| Descripción | 8051-Based MCU | |
| Fabricantes | Megawin | |
| Logotipo |  |
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8051-Based MCU
MPC82E/L54
Data Sheet
Version: A10
This 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.
2013/04 version A10
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
4. Pin Configurations ....................................................................................... 14
4.1. Package Instruction ......................................................................................................14
4.2. Pin Description .............................................................................................................16
5. 8051 CPU Function Description................................................................... 17
5.1. CPU Register ...............................................................................................................17
5.2. CPU Timing ..................................................................................................................18
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. On-chip expanded RAM (XRAM)..................................................................................23
6.4. Declaration Identifiers in a C51-Compiler .....................................................................24
7. Data Pointer Register (DPTR)...................................................................... 25
8. System Clock............................................................................................... 26
8.1. Clock Structure.............................................................................................................26
8.2. Clock Register ..............................................................................................................27
8.3. Clock Sample Code......................................................................................................28
9. Watch Dog Timer (WDT) ............................................................................. 29
9.1. WDT Structure..............................................................................................................29
9.2. WDT During Idle and Power Down ...............................................................................29
9.3. WDT Register...............................................................................................................30
9.4. WDT Hardware Option .................................................................................................31
9.5. WDT Sample Code.......................................................................................................32
10.System Reset .............................................................................................. 33
10.1.
10.2.
10.3.
10.4.
10.5.
10.6.
10.7.
10.8.
Reset Source................................................................................................................33
Power-On Reset ...........................................................................................................33
External Reset..............................................................................................................34
Software Reset.............................................................................................................34
Low-Voltage Reset .......................................................................................................34
WDT Reset...................................................................................................................35
Illegal Address Reset....................................................................................................35
Reset Sample Code .....................................................................................................36
11.Power Management..................................................................................... 37
11.1. Low-Voltage Detector ...................................................................................................37
11.2. Power Saving Mode .....................................................................................................38
11.2.1. Slow Mode ............................................................................................................................38
11.2.2. Idle Mode ..............................................................................................................................38
11.2.3. Power-Down Mode ...............................................................................................................38
11.2.4. Interrupt Recovery from Power-down ...................................................................................39
11.2.5. Reset Recovery from Power-down .......................................................................................39
11.3. Power Control Register.................................................................................................40
11.4. Power Control Sample Code ........................................................................................41
12.Configurable I/O Ports ................................................................................. 42
MEGAWIN
MPC82x54 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
CH
--
E8 --
CL
E0 ACC
WDTCR
D8 CCON
CMOD
D0 PSW
--
C8 --
--
C0 --
--
B8 IP
SADEN
B0 P3
P3M0
A8 IE
SADDR
A0 P2
--
98 SCON
90 P1
88 TCON
SBUF
P1M0
TMOD
80 P0
SP
0/8 1/9
2/A
CCAP0H
PCAPWM0
CCAP0L
IFD
CCAPM0
--
--
--
--
P3M1
--
--
--
P1M1
TL0
DPL
2/A
3/B
CCAP1H
PCAPWM1
CCAP1L
IFADRH
CCAPM1
--
--
--
--
--
--
--
--
P0M0
TL1
DPH
3/B
4/C
CCAP2H
PCAPWM2
CCAP2L
IFADRL
CCAPM2
--
--
--
--
--
--
--
P0M1
TH0
SPISDAT
4/C
5/D
CCAP3H
PCAPWM3
CCAP3L
IFMT
CCAPM3
--
--
ADCTL
--
--
--
--
--
P2M0
TH1
SPICTL
5/D
6/E
--
--
--
SCMD
--
--
--
ADCV
ADCVL
--
--
--
--
P2M1
AUXR
SPIDAT
6/E
7/F
--
--
--
ISPCR
--
--
--
PCON2
--
IPH
--
--
--
--
--
PCON
7/F
MEGAWIN
MPC82x54 Data Sheet
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MPC82E54.PDF ] | |
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