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MA014B Datasheet, PDF (14/14 Pages) Megawin Technology Co., Ltd – Single chip 8-bit CPU
Absolute Maximum Rating
PARAMETER
RATING
UNIT
Supply Voltage to Ground Potential
VSS-0.3 to VSS+4.0
V
Applied Input / Output Voltage
VSS-0.3 to VDD+0.3
V
Ambient Operating Temperature
0 to +70
C
Storage Temperature
-50 to +125
C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and
reliability of the device.
DC Characteristics
(VDD-GND = 3.0 V, FOSC = 4MHz, Ta = 25 C; unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
Op. Voltage
VDD
When LVR is disabled
Op. Current
No load (Ext.-V)
IOP
In normal operation
Standby Current
ISTB No load (Ext.-V)
Input High Voltage
VIH
-
Input Low Voltage
VIL
-
Port 1.4~1.7 Drive Current
VOH = 2.7V, VDD = 3.0V
IOH0
(CMOS output mode)
Port 1.0~1.7, Port 2.0~2.1 Sink
Current
IOL0 VOL = 0.4V, VDD = 3.0V
IRO Drive Current
IOH 2 VOH = 2.7V, VDD = 3.0V
IRO Sink Current
IOL 2 VOL = 0.4V, VDD = 3.0V
P0/P1/P2 Pull-high Resistor
RPH
VIL = 0V
/RES Pull-high Resistor
RRES
VIL = 0V
Low Voltage Detector
VLVD
VDD > 2.1V
Low Voltage Reset
VLVR
-
MIN.
1.7
-
-
0.7 VDD
0
7.0
TYP.
-
1.3
1
-
-
-
MAX.
3.6
5
3
VDD
0.3VDD
-
UNIT
V
mA
A
V
V
mA
10.0
-
-
mA
10.0
-
-
mA
100.0
-
-
mA
-
100K
-

-
20K
-

-
-
2.40
V
-
-
2.05
V
AC Characteristics
PARAMETER
CPU Op. Frequency
System Start-Up Time
SYM.
FCPU
TSST
CONDITIONS
VDD = 3.0V
Power-up, reset or wake-up
from STOP mode
MIN.
0.4
-
TYP.
4
2048
MAX.
8
-
UNIT
MHz
1/ FCPU
History:
Ver 0.10: MA014B original version
Ver 0.11: Modified the logic structure as MA011B
Ver 0.12: Modified the SFR initial value (typing error)
Ver 0.14: Modified MA014B function is compatible with MA011C
Ver 0.15: Modify I/O port. Add P2.0~ P2.1
Ver 0.16: Modify P2 function
Ver 0.17: Modify P2 pull-high resistance from 10K to 100K
Ver 0.18: Add TM0
Ver 0.19: Modify the PAD number
Ver 0.20: Modify the DC Characteristics
Ver 0.21: Bit-manipulation instructions are available on the P0pad register, modify the
application circuit and DC characteristics.
MEGAWIN
MA014B Series Technical Summary
14