MA015 Datasheet, PDF (27/29 Pages) Megawin Technology Co., Ltd – Build-in watchdog timer

16 Revision History
MA015 Datasheet
Version 2.00
Revision Page
Descriptions
Date
V0.10
V0.20
V0.30
V0.70
V0.80
V0.90
V0.91
V0.92
V0.93
V0.94
V0.95
V0.96
V1.11
V2.00
Original
Modify the P3.0, P3.1 description and add the DP0.
Add P3.0~P3.6
Modify the P0 I/O description
Deleted data pointer, added LVP, modified LVD and interrupt.
Modified Feature, Pad Description, SFR table, Interrupt vector, IRQ, Divider,
Timer 0 ~ Timer 1, Port 0 ~ Port 2; Deleted Divider 1, Timer 2, melody relation
functions, X32I/O.
Added Timer 2 and TEST pin; Modified features, Pad Description, RAM size,
SFR table, Interrupt vector, IRQ, Timer 0 ~ Timer 2, Port 1 ~ Port 2.
Modify Timer 0 from 8-bit to 16-bit.
Modify WDT time selector, RESOK function as mask option.
Revise the error of interrupt circuit diagram on page 7. Modify the read value
of port 0 in output mode from “external pad” to “output buffer”.
Modify the Reset OK function: Must write #$90 into the register at program
start.
Modify the LVD voltage and I/O drive/sink current
Modify feature, reset vector table and DC characteristics.
Update document format.
2011/11/09
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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