MB89181PF 데이터 시트보기 (PDF) - Fujitsu
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MB89181PF Datasheet PDF : 50 Pages
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MB89180 Series
s PIN DESCRIPTION
Pin no.
QFP*1
SQFP*3
QFP*2
MQFP*4
39
40
38
39
40
41
Pin name
X0
X1
MODA
43
44
RST
44 to 51 45 to 52 P07/INT27 to
P00/INT20
21 to 23
25
26 to 29
22 to 24
26
27 to 30
P10/INT10/
SEG24 to
P12/INT12/
SEG26
P13/INT13/
SEG27
P14/SEG28 to
P17/SEG31
37
38
P20/EC
36
37
P21
35
36
P22/TO
34
35
P23/SI
33
34
P24/SO
32
33
P25/SCK
*1: FPT-64P-M09
*2: FPT-64P-M06
*3: FPT-64P-M03
*4: MQP-64C-P01
Circuit
type
Function
A
Main clock crystal oscillator pins
CR oscillation selectability (only for the mask ROM
products)
C
Operating mode selection pin
Connect directly to VSS.
Reset I/O pin
This pin is an N-ch open drain output type with a pull-
D
up resistor, and hysteresis input type. “L” is output
from this pin by an internal reset source. The internal
circuit is initialized by the input of “L”.
E
General-purpose I/O ports
Also serve as external interrupt 2 input (wake-up
function).
External interrupt 2 input is hysteresis input.
E/K General-purpose I/O ports
Also serve as external interrupt 1 input.
The interrupt 1 input is a hysteresis type.
Also serve as LCD controller/driver segment output.
Switching is done by the mask option.
F/K General-purpose I/O ports
Also serve as LCD controller/driver segment output.
Switching is done by the mask option.
H
General-purpose N-ch open-drain I/O port
Also serves as the external clock input for the 8-bit
timer counter. The resource is a hysteresis input type.
I
General-purpose N-ch open-drain I/O port
I
General-purpose N-ch open-drain I/O port
Also serves as the 8-bit timer/counter output
H
General-purpose N-ch open-drain I/O port
Also serves as the data input for the 8-bit serial I/O.
The resource is a hysteresis input type.
I
General-purpose N-ch open-drain I/O port
Also serves as the data output for the 8-bit serial I/O.
H
General-purpose N-ch open-drain I/O port
Also serves as the clock I/O for the 8-bit serial I/O.
The resource is a hysteresis input type.
(Continued)
9
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