MA014B Datasheet, PDF (5/14 Pages) Megawin Technology Co., Ltd – Single chip 8-bit CPU

Special Function Register (SFR)
The address 00E0H to 00FFH are reserved for special function registers (SFR). The SFR is used to
control or store the status of I/O, system clock and other peripheral.
※ All SFRs are not supported by bit-manipulation instructions.
SFR (special function register): 00E0H ~ 00FFH (page 0 area)
Address Content
Default Address Content
00E0 MCLKmgr
---0---0 00F0
00E1 RESOK
-------- 00F1 P0pad
00E2 IRQen
---0---0 00F2
00E3 ^{EVTflag & EVTclr} -X00---0
(Hard_rst)
00F3
00E4
-------- 00F4
00E5
-------- 00F5 P1obuf
00E6
-------- 00F6 P1opd
00E7
-------- 00F7 P1plh
00E8 TM0
00000000 00F8
00E9 TM0_CTL
00000000 00F9
00EA
-------- 00FA IRO
00EB
-------- 00FB
00EC
-------- 00FC P2obuf
00ED
-------- 00FD P2pad
00EE
-------- 00FE
00EF
-------- 00FF
Default
--------
XXXXXXXX
--------
--------
--------
11111111
1111----
00000000
--------
--------
0-------
--------
------11
------XX
--------
--------
Power On Reset
Low Voltage Reset
Hard_rst
Sys_rst
RSTn
WDT Reset
Read
EVTflag
Low Voltage
Warning
System Reset Architecture
Data bus_bit6
MEGAWIN
MA014B Series Technical Summary
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