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PDF MG20L021A Data sheet ( Hoja de datos )
| Número de pieza | MG20L021A | |
| Descripción | 8-Bit I/O Type MCU | |
| Fabricantes | Megawin | |
| Logotipo |  |
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笙泉科技股份有限公司
Megawin Technology Co., Ltd.
Version: 0.15
MG20L021A
Data Sheet
8-bit I/O type MCU with LED driver
Version 0.15
This document information is the intellectual property of Megawin Technology.
Megawin Technology Co., Ltd. 2011 All right reserved.
QP-7300-03D
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1 page  
MG20L021A Datasheet
Version 0.15
2 General Description
MG20L021 is a cost effective, high performance 8-bit micro-controller of MEGAWIN. It integrates an 8-bit CPU core,
ROM, RAM, timers, RTC, I/O ports, and system control circuits into a single chip. It is suitable for LED calendar
and other products.
This document information is the intellectual property of Megawin Technology.
Megawin Technology Co., Ltd. 2011 All right reserved.
QP-7300-03D
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5 Page 
MG20L021A Datasheet
Version 0.15
6.1 SFR Mapping
The address 00C0H to 00FFH is reserved for special function registers (SFR). The SFR is used to control or store
the status of I/O, timers, system clock and other peripheral.
Table 6-1 SFR Table
SFR (special function register): 00C0H~00FFH
Address Content
Default
00C0
MCLKmgr(W)
0-0--000
00C1
SYS_STS(R)/SYS_CSTS(W) xx-------
00C2
IRQ_EN(R/W)
00000000
00C3
IRQ_ST(R)/IRQ_CLR(W)
00000000
00C4
RLH_EN(W)
00000000
00C5
00C6
00C7
00C8
TM0(R/W)
11111111
00C9
TM0_CTL(W)
00---000
00CA
TM1(R/W)
11111111
00CB
TM1_CTL(W)
00---000
00CC
TM2L(R/W)
11111111
00CD
TM2H(R/W)
11111111
00CE
TM2_CTL(W)
000--000
00CF
DIV_STL(R) / DIV_SEL(W) -------0
Address
00D0
00D1
00D2
00D3
00D4
00D5
00D6
00D7
00D8
00D9
00DA
00DB
00DC
00DD
00DE
00DF
Content
IO_MFR(W)
P0buf(W)/ P0pad(R)
P0dir(W)
P0puhl(W)
P0opd(W)
P1buf(W)/ P1pad(R)
P1dir(W)
P1plh(W)
P1opd(W)
P2buf(W)/ P2pad(R)
P2dir(W)
P2plh(R/W)
P2opd(R/W)
Address
00E0
00E1
00E2
00E3
00E4
00E5
00E6
00E7
00E8
00E9
00EA
00EB
00EC
00ED
00EE
00EF
Content
RTC00(R/W)
Default
00000000
Address
00F0
00F1
00F2
00F3
00F4
00F5
00F6
00F7
00F8
00F9
00FA
00FB
00FC
00FD
00FE
00FF
Content
PWML(R/W)
PWMH(R/W)
BANK(R/W)
CWPR(W)
CH1/ENV1(W)
CH2/ENV2(W)
AB_TC(R/W)
Default
---0000
----0000
----0000
---00000
----0000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
Default
00000000
------10
-------0
xxxxxxxx
--------
--------
--------
00000000
00000000
0000-000
This document information is the intellectual property of Megawin Technology.
Megawin Technology Co., Ltd. 2011 All right reserved.
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MG20L021A.PDF ] | |
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