MB89490 데이터 시트보기 (PDF) - Fujitsu
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MB89490 Datasheet PDF : 45 Pages
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MB89490 Series
■ PIN DESCRIPTION
Pin number
MQFP*1/QFP*2
Pin name
I/O circuit
type
Function
99
X0
A
Connection pins for a crystal or other oscillator.
An external clock can be connected to X0. In this case, leave X1 open.
98
X1
49
X0A
Connection pins for a crystal or other oscillator.
A
An external clock can be connected to X0A. In this case, leave X1A
48
X1A
open.
97
MOD0
B
Input pin for setting the memory access mode.
Connect directly to VSS.
95, 94
P84,P83
J
General-purpose CMOS Input port.
Reset I/O pin. The pin is an N-ch open-drain type with pull-up resistor
96
RST
C
and a hysteresis input. The pin outputs an “L” level when an internal
reset request is present. Inputting an “L” level initializes internal
circuits.
2~9
P00 ~ P07
D General-purpose CMOS I/O port.
10~17
P10/INT00
~
P17/INT07
E
General-purpose CMOS I/O port.
The pin is shared with external interrupt 0 input.
18
P20/TO0
F
General-purpose CMOS I/O port.
The pin is shared with 8/16-bit timer/counter 00, 01 output.
19
P21/RMC
E
General-purpose CMOS I/O port.
The pin is shared with remote receiver input.
20
P22/EC0
E
General-purpose CMOS I/O port.
The pin is shared with 8/16-bit timer/counter 00, 01 input.
21
P23
F
General-purpose CMOS I/O port.
22
P24/TO1
F
General-purpose CMOS I/O port.
The pin is shared with 8/16-bit timer/counter 10, 11 output.
23
P25/EC1
E
General-purpose CMOS I/O port.
The pin is shared with 8/16-bit timer/counter 10,11 input.
24
P26/PWM0
F
General-purpose CMOS I/O port.
The pin is shared with PWM0 output.
25
P27/PWM1
F
General-purpose CMOS I/O port.
The pin is shared with PWM1 output.
P30/AN0/INT10
General-purpose CMOS I/O port.
32 ~ 39
~
G The pin is shared with external interrupt 1 input and A/D converter
P37/AN7/INT17
input.
40 ~ 45
P40~P45
H General-purpose N-ch open-drain I/O port.
46
P46/SCL
H
General-purpose N-ch open-drain I/O port.
The pin is shared with I2C clock I/O.
47
P47/SDA
H
General-purpose N-ch open-drain I/O port.
The pin is shared with I2C data I/O.
26
P50/SI0
E
General-purpose CMOS I/O port.
The pin is shared with SIO data input.
27
P51/SO0
F
General-purpose CMOS I/O port.
The pin is shared with SIO data output.
28
P52/SCK0
E
General-purpose CMOS I/O port.
The pin is shared with SIO clock I/O.
7
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