MB89F051 Просмотр технического описания (PDF) - 3M
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MB89F051 Datasheet PDF : 40 Pages
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MB89051 Series
s PIN DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Pin name
P34/INT4/
SCK1
P35/INT5/
SCK2
P36/INT6/
SO2
P37/INT7/SI2
CLK1
CLK2
P40/POW5
P41/POW2
P42/POW3
P43/POW4
P44/UCK
P45/UO
P46/UI/
PWM1
VSS
P47/PWM2
MOD2
P53/SDA
P54/SCL
RST
MOD0
MOD1
Circuit
type
E
E
B
E
M
M
B
B
B
B
E
B
N
K
F
K
K
I
F
F
Function
General-purpose CMOS I/O pin
The external interrupt input is a hysteresis input. (Level detection)
SIO1 clock I/O
General-purpose CMOS I/O pin
The external interrupt input is a hysteresis input. (Level detection)
SIO2 clock I/O
General-purpose CMOS I/O pin
The external interrupt input is a hysteresis input. (Level detection)
SIO2 serial data output
General-purpose CMOS I/O pin
The external interrupt input is a hysteresis input. (Level detection)
SIO2 serial data input
6 MHz clock output pin (When external supply clock is at 6 MHz.)
12 MHz clock output pin (When external supply clock is at 6 MHz.)
General-purpose CMOS I/O pin
This pin also serves as USB Down Port power control signal.
General-purpose CMOS I/O pin
This pin also serves as USB Down Port power control signal.
General-purpose CMOS I/O pin
This pin also serves as USB Down Port power control signal.
General-purpose CMOS I/O pin
This pin also serves as USB Down Port power control signal.
General-purpose CMOS I/O pin
UART/S10 clock I/O
General-purpose CMOS I/O pin
UART/S10 serial data output
Nch open drain general-purpose I/O pin
UART/S10 serial data input
PWM timer
Power supply pin (GND)
Nch open drain general-purpose I/O pin
PWM timer
An operating mode designation pin. Connect directly to Vss.
Nch open drain general-purpose I/O pin
Also serve as I2C interface data input/output pin.
Nch open drain general-purpose I/O pin
Also serve as I2C interface clock input/output pin.
Reset pin (Reset on the negative logic low level.)
An operating mode designation pin. Connect directly to Vss.
An operating mode designation pin. Connect directly to Vss.
(Continued)
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