MG87FE/L2051 MEGAWIN [Megawin Technology Co., Ltd], MG87FE/L2051 Datasheet - Page 2

• Manufacturer Part Number: MG87FE/L2051
• Description: 8-bits microcontroll
• Manufacturer: MEGAWIN [Megawin Technology Co., Ltd]

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10. Timers/Counters......................................................................................... 23
11. UART ......................................................................................................... 30
12. Analog Comparator .................................................................................... 33
13. Watch Dog Timer (WDT)............................................................................ 35
This document information is the intellectual property of Megawin Technology.
© Megawin Technology Co., Ltd. 2009 All rights reserved.
QP-7300-03D
4.1. Package Instruction .............................................................................................................. 7
4.2. Pin Description (PDIP-20 & SOP-20).................................................................................... 8
5.1. CPU Register ........................................................................................................................ 9
5.2. CPU Timing......................................................................................................................... 10
5.3. CPU Addressing Mode ....................................................................................................... 10
6.1. On-Chip Program Flash ...................................................................................................... 11
6.2. On-Chip Data RAM ............................................................................................................. 12
7.1. SFR Map............................................................................................................................. 13
7.2. SFR Bit Assignment............................................................................................................ 14
8.1. IO Structure......................................................................................................................... 16
8.2. Port1 Register ..................................................................................................................... 16
8.3. Port3 Register ..................................................................................................................... 16
8.4. Port4 Register ..................................................................................................................... 17
9.1. Interrupt Structure ............................................................................................................... 18
9.2. Interrupt Register ................................................................................................................ 19
10.1. Timer0 and Timer1.............................................................................................................. 23
10.2. PWM-Timer......................................................................................................................... 27
11.1. UART Structure................................................................................................................... 30
11.2. UART Register.................................................................................................................... 31
12.1. Analog Comparator Structure ............................................................................................. 33
12.2. Analog Comparator Register .............................................................................................. 34
13.1. WDT Structure .................................................................................................................... 35
13.2. WDT Register ..................................................................................................................... 35
General Description ..................................................................................... 4
Features ....................................................................................................... 5
Block Diagram.............................................................................................. 6
Pin Configurations........................................................................................ 7
8051 CPU Function Description................................................................... 9
Memory Organization................................................................................. 11
Special Function Register .......................................................................... 13
Configurable I/O Ports................................................................................ 16
Interrupt...................................................................................................... 18
8.1.1. Port1/3/4 GPIO Structure ............................................................................................. 16
10.1.1. Mode 0 Structure.......................................................................................................... 23
10.1.2. Mode 1 Structure.......................................................................................................... 23
10.1.3. Mode 2 Structure.......................................................................................................... 24
10.1.4. Mode 3 Structure.......................................................................................................... 24
10.1.5. Timer0/1 Register......................................................................................................... 25
10.2.1. PWM-Timer Structure................................................................................................... 27
10.2.2. PWM-Timer Register .................................................................................................... 28
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Content
MG87FE/L2051/4051/6051
Preliminary, v 1.03
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