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PDF MPC82G516A Data sheet ( Hoja de datos )
| Número de pieza | MPC82G516A | |
| Descripción | 8-bit microcontroller | |
| Fabricantes | Megawin Technology | |
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MPC82G516A
8-bit microcontroller
Contents
List of Figures....................................................................................................... 5
List of Tables........................................................................................................ 7
1 Description ....................................................................................................... 8
2 Features ........................................................................................................... 9
3 Block Diagram................................................................................................ 10
4 Pin Configuration............................................................................................ 11
4.1 Pin Assignment ........................................................................................................................ 11
4.2 Pin Description ......................................................................................................................... 14
4.3 Alternate Function Redirection................................................................................................. 17
5 Memory Organization..................................................................................... 18
5.1 Program Memory ..................................................................................................................... 18
5.2 Data Memory............................................................................................................................ 19
5.3 Declaration Identifiers in a C51-Compiler................................................................................. 23
6 Special Function Registers (SFRs) ................................................................ 24
6.1 SFR Memory Map .................................................................................................................... 24
6.2 SFR Introduction ...................................................................................................................... 25
6.2.1 The Standard 80C51 SFRs.............................................................................................................25
6.2.2 The New Added SFRs ....................................................................................................................27
7 On-Chip eXpanded RAM (XRAM).................................................................. 30
7.1 Using the XRAM in Software.................................................................................................... 30
8 External Data Memory Accessing .................................................................. 31
8.1 ALE-Pin Configuration.............................................................................................................. 31
8.2 Access Timing Stretching for Low-speed Memory ................................................................... 32
9 Dual Data Pointer Register (DPTR) ............................................................... 35
10 I/O Port Structure and Operation ................................................................. 36
10.1 Port Configurations ................................................................................................................ 36
10.1.1 Quasi-Bidirectional I/O ..................................................................................................................37
10.1.2 Open-Drain Output........................................................................................................................38
10.1.3 Input-Only (High Impedance Input) ...............................................................................................38
10.1.4 Push-Pull Output ...........................................................................................................................38
10.2 I/O Pins Used with ADC Function .......................................................................................... 39
10.3 Additional Note for I/O Port .................................................................................................... 39
11 Timers/Counters........................................................................................... 40
11.1 Timer 0 and Timer 1 ............................................................................................................... 40
11.1.1 Mode 0: 13-Bit Timer/Counter.......................................................................................................41
11.1.2 Mode 1: 16-Bit Timer/Counter.......................................................................................................42
11.1.3 Mode 2: 8-Bit Auto-Reload............................................................................................................42
11.1.4 Mode 3: Two 8-Bit Timer/Counters ...............................................................................................43
11.1.5 Programmable Clock-Out from Timer 0 ........................................................................................44
11.2 Timer 2 ................................................................................................................................... 45
11.2.1 Capture Mode................................................................................................................................46
11.2.2 Auto-Reload Mode (Up or Down Counter)....................................................................................46
11.2.3 Baud Rate Generator Mode ..........................................................................................................47
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. 2008 All rights reserved.
2008/12 version A4
MEGAWIN
1 page  
List of Figures
Figure 3-1. Block Diagram ..................................................................................................................................10
Figure 4-1. Pin Assignment: 40-Pin PDIP...........................................................................................................11
Figure 4-2. Pin Assignment: 28-Pin SSOP .........................................................................................................11
Figure 4-3. Pin Assignment: 44-Pin PLCC..........................................................................................................12
Figure 4-4. Pin Assignment: 44-Pin PQFP .........................................................................................................12
Figure 4-5. Pin Assignment: 48-Pin LQFP..........................................................................................................13
Figure 5-1. Program Memory..............................................................................................................................18
Figure 5-2. Data Memory ....................................................................................................................................20
Figure 5-3. Lower 128 Bytes of Internal RAM.....................................................................................................20
Figure 5-4. SFR Space .......................................................................................................................................21
Figure 5-5. External RAM Accessing by an 8-Bit Address (using ‘MOVX @ Ri’ and Page Bits) .......................22
Figure 5-6. External RAM Accessing by a 16-Bit Address (using ‘MOVX @ DPTR’) ........................................22
Figure 8-1. “MOVX @DPTR,A” without Stretch.................................................................................................33
Figure 8-2. “MOVX @DPTR,A” with Stretch......................................................................................................33
Figure 8-3. “MOVX A,@DPTR” without Stretch.................................................................................................34
Figure 8-4. “MOVX A,@DPTR” with Stretch ......................................................................................................34
Figure 9-1. Use of Dual DPTR ............................................................................................................................35
Figure 10-1. Quasi-Bidirectional I/O....................................................................................................................37
Figure 10-2. Open-Drain Output .........................................................................................................................38
Figure 10-3. Input-Only .......................................................................................................................................38
Figure 10-4. Push-Pull Output ............................................................................................................................38
Figure 11-1. Timer 1 in Mode 0: 13-Bit Timer/Counter .......................................................................................41
Figure 11-2. Timer 1 in Mode 1: 16-Bit Timer/Counter .......................................................................................42
Figure 11-3. Timer 1 in Mode 2: 8-Bit Auto-Reload ............................................................................................42
Figure 11-4. Timer 0 in Mode 3: Two 8-Bit Timer/Counters ...............................................................................43
Figure 11-5. Programmable Clock-Out from Timer 0 .........................................................................................44
Figure 11-6. Timer 2 in Capture Mode................................................................................................................46
Figure 11-7. Timer 2 in Auto-Reload Mode (DCEN=0).......................................................................................47
Figure 11-8. Timer 2 in Auto-Reload Mode (DCEN=1).......................................................................................47
Figure 11-9. Timer 2 in Baud Rate Generator Mode ..........................................................................................48
Figure 11-10. Programmable Clock-Out from Timer 2 .......................................................................................50
Figure 12-1. Serial Port Mode 0..........................................................................................................................57
Figure 12-2. Serial Port Mode 1..........................................................................................................................58
Figure 12-3. Serial Port Mode 2..........................................................................................................................59
Figure 12-4. Serial Port Mode 3..........................................................................................................................60
Figure 12-5. UART Framing Error Detection ......................................................................................................61
Figure 12-6. UART Multiprocessor Communication, Auto Address Recognition ...............................................62
Figure 13-1. New Baud Rate Source for the 1st UART .......................................................................................65
Figure 13-2. Programmable Clock-Out from UART2 Baud Rate Timer .............................................................66
Figure 14-1. PCA Block Diagram........................................................................................................................67
Figure 14-2. PCA Timer/Counter ........................................................................................................................68
Figure 14-3. PCA Interrupt System.....................................................................................................................69
Figure 14-4. PCA Capture Mode ........................................................................................................................70
Figure 14-5. PCA Software Timer Mode.............................................................................................................71
Figure 14-6. PCA High Speed Output Mode.......................................................................................................71
Figure 14-7. PCA PWM Mode.............................................................................................................................72
Figure 15-1. SPI Block Diagram .........................................................................................................................73
Figure 15-2. SPI single master single slave configuration..................................................................................75
Figure 15-3. SPI dual device configuration, where either can be a master or a slave .......................................75
Figure 15-4. SPI single master multiple slaves configuration .............................................................................76
Figure 15-5. SPI Slave Transfer Format with CPHA=0 ......................................................................................79
Figure 15-6. Slave Transfer Format with CPHA=1 .............................................................................................79
Figure 15-7. SPI Master Transfer Format with CPHA=0 ....................................................................................80
Figure 15-8. SPI Master Transfer Format with CPHA=1 ....................................................................................80
Figure 16-1. ADC Block Diagram........................................................................................................................81
Figure 18-1. WDT Block Diagram .......................................................................................................................86
Figure 19-1. Interrupt System .............................................................................................................................90
Figure 20-1. Flash Configuration ........................................................................................................................96
Figure 20-2. Flow Chart for “Flash Page Erase” .................................................................................................99
Figure 20-3. Flow Chart for “Flash Program” ....................................................................................................100
5
MPC82G516A Data Sheet
MEGAWIN
5 Page 
4 Pin Configuration
4.1 Pin Assignment
Figure 4-1. Pin Assignment: 40-Pin PDIP
Figure 4-2. Pin Assignment: 28-Pin SSOP
11
MPC82G516A Data Sheet
MEGAWIN
11 Page | ||
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| PDF Descargar | [ Datasheet MPC82G516A.PDF ] | |
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