MG87FE/L2051 MEGAWIN [Megawin Technology Co., Ltd], MG87FE/L2051 Datasheet - Page 16

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

8. Configurable I/O Ports
8.1. IO Structure
8.1.1. Port1/3/4 GPIO Structure
By the way, the pull-up resistor is disabled on P10/P11 in default.
8.2. Port1 Register
P1: Port 1 Register
Address=90H, read/write, Power On + RESET=1111-1111
Bit 7~0: P17~P10 could be set/cleared by CPU. Or it also can be toggled on addressed port channel by
PWM-Timer underflow event in PWM mode.
8.3. Port3 Register
P3: Port 3 Register
Address=B0H, read/write, Power On + RESET=1X11-1111
This document information is the intellectual property of Megawin Technology.
© Megawin Technology Co., Ltd. 2009 All rights reserved.
QP-7300-03D
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P17
P37
Port latch data
7
7
MEGAWIN
MAKE YOU WIN
P16
P36
6
6
P15
P35
5
5
2 clocks
delay
P14
P34
Input data
4
4
P13
P33
3
3
Strong
VDD
MG87FE/L2051/4051/6051
P12
P32
2
2
Very weak
VDD
P31
P11
1
1
VDD
Weak
Preliminary, v 1.03
P10
P30
0
0
Port pin