MTV512MV 데이터 시트보기 (PDF) - Myson Century Inc
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MTV512MV Datasheet PDF : 26 Pages
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MTV512M
Preliminary
PIN CONFIGURATION & DESCRIPTION
A “CMOS output pin” means it can sink and drive at least 4mA current. It is not recommended to use such pin
as input function.
An “open drain pin” means it can sink at least 4mA current. It can be used as input or output function and needs
an external pull up resistor.
An “8051 standard pin” is a pseudo open drain pin. It can sink at least 4mA current when output is at low level,
and drives at least 4mA current for 160nS when output transits from low to high, then keeps driving at 120μA to
maintain the pin at high level. It can be used as input or output function. It needs an external pull up resistor
when driving heavy load device.
There is an internal pull-up resistance on each CMOS PAD and an internal pull-down resistance on each input
PAD. It is recommended to add a pull high resistance on each open drain pin.
Name
NC
Pin No. Direction
Default
Direction
1
-
-
Default
Output
Value
-
Internal
Pull
Up/Down
-
Pin Type
Description
-
No connection
DA0/P5.0
2
I/O
DA1/P5.1
3
I/O
DA2/P5.2
4
I/O
DA3/P5.3
5
I/O
DA4/ P5.4
6
I/O
P5.5/DA5
7
I/O
P5.6/HSCL2
8
I/O
P5.7/HSDA2
9
I/O
RST
10
I
O
1(DA0)
-
Open Drain PWM DAC output/General
purpose I/O (open drain)
O
1(DA1)
-
Open Drain PWM DAC output/General
purpose I/O (open drain)
O
1(DA2)
-
Open Drain PWM DAC output/General
purpose I/O (open drain)
O
1(DA3)
-
Open Drain PWM DAC output/General
purpose I/O (open drain)
O
1(DA4)
-
Open Drain PWM DAC output/General
purpose I/O (open drain)
O
1(P5.5)
-
Open Drain PWM DAC output/General
purpose I/O (open drain)
I
Z(P5.6)
-
Open Drain General purpose I/O/Slave
w/ filter IIC1 SCL2 (open drain)
I
Z(P5.7)
-
Open Drain General purpose I/O/Slave
w/ filter IIC1 SDA2 (open drain)
I
0
down
Input High Active RESET
HSCL1/P3.0/RXD 11
I/O
NC
12
-
I/O
Z(HSCL1)
-
-
Open Drain Slave IIC clock/General
w/ filter purpose I/O/Rxd (open drain)
-
-
No connection
HSDA1/P3.1/TXD0 13
I/O
I/O
Z(HSDA1)
-
Open Drain Slave IIC data/General
w/ filter purpose I/O/Txd (open drain)
page 3 of 3
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