MB89951 데이터 시트보기 (PDF) - Fujitsu
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MB89951 Datasheet PDF : 40 Pages
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MB89950 Series
s PIN DESCRIPTION
Pin no.
QFP*1 MQFP*2
Pin name
22
23 X0
23
24 X1
21
22 MODA
19
20 RST
48 to 41 49 to 42 P00/SEG20
to
P07/SEG27
40 to 33 41 to 34 P10/SEG28
to
P17/SEG35
32 to 27 33 to 28 P20/SEG36
to
P25/SEG41
14 to 11
12 to 11
15
15 to 12 P30 to P31
13 to 12 P32/V1 to
P33/V2
16 P40
16
17 P41/PWM
17
18 P42/PWC/INT1
18
19 P43/SI
20
21 P44/SO
*1: FPT-64P-M09
*2: MQP-64C-P01
Circuit
type
A Clock oscillator pins
Function
B Operation-mode select pin
This pin is connected directly to VSS with pull down resistor.
C Reset I/O pin
This pin consists of an N-ch open-drain output with a pull-up
resistor and hysteresis input.
A Low level is put out from this pin.
A “LOW” voltage on this port generates a RESET condition
D N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller segment outputs.
Switching between port output and segment output is
performed by the mask option every 8 bits.
D N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller segment outputs.
Switching between port output and segment output is
performed by the mask option.
D N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller segment outputs.
Switching between port output and segment output is
performed by the mask option.
F N-channel open-drain type general-purpose I/O ports
D N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller power supply.
E General-purpose I/O port
A pull-up resistor option is provided.
E General-purpose I/O port
Serves as PWM timer toggle output (PWM).
A pull-up resistor option is provided.
E General-purpose I/O port
Also serves as pulse-width count timer input (PWC) and
external interrupt input (INT1)
The PWC and INT1 inputs are of a hysteresis type.
A pull-up resistor option is provided.
E General-purpose I/O port
Also serves as serial I/O and UART data input (SI) The SI
input is of a hysteresis type.
A pull-up resistor option is provided.
E General-purpose I/O port
Also serves as serial I/O and UART data output (SO).
A pull-up resistor option is provided.
(Continued)
7
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