MB89475PFM 데이터 시트보기 (PDF) - Fujitsu
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MB89475PFM Datasheet PDF : 48 Pages
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MB89470 Series
s PIN DESCRIPTION
Pin no.
LQFP/QFP/
MQFP*2
SDIP*1
Pin name
I/O
circuit
Function
17
47
X0
Connection pins for a crystal or other oscillator.
A An external clock can be connected to X0. In this case, leave X1
18
48
X1
open.
16
46
MODE
B
Input pins for setting the memory access mode.
Connect directly to VSS.
Reset I/O pin. The pin is a N-ch open-drain type with pull-up resistor
14
44
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 cir-
cuits.
38 to 31
20 to 13
P00/AN0 to
P07/AN7
D
General-purpose I/O port.
The pins are shared with the analog inputs for the A/D converter.
30 to 27
P10/INT10
12 to 9
to
P13/INT13
General-purpose I/O port.
E A hysteresis input for INT10 to INT13.
The pin is shared with an external interrupt 1 input.
General-purpose I/O port.
26
8
P14/EC1 E A hysteresis input for EC1.
The pin is shared with the 8/16 bit timer 1 input.
25
7
P15/TO1
F
General-purpose I/O port.
The pin is shared with the output of 8/16-bit timer 1.
General-purpose I/O port.
24
6
P16/EC2 E A hysteresis input for EC2.
The pin is shared with the 8/16 bit timer 2 input.
23
5
P17/TO2
F
General-purpose I/O port.
The pin is shared with the output of 8/16-bit timer 2.
General-purpose I/O port.
13
43 P20/SCK1 E A hysteresis input for SCK1.
The pin is shared with the clock I/O of UART/SIO 1.
12
42
P21/SO1
F
General-purpose I/O port.
The pin is shared with the serial data output of UART/SIO 1.
General-purpose I/O port.
11
41
P22/SI1
E A hysteresis input for SI1.
The pin is shared with the serial data input of UART/SIO 1.
General-purpose I/O port.
10
40 P23/PWC E A hysteresis input for PWC.
This pin is shared with PWC input.
9
39
P24/PWM
F
General-purpose input port.
This pin is shared with PWM output.
General-purpose I/O port.
8
38
P25/SI2
E A hysteresis input for SI2.
The pin is shared with the serial data input of UART/SIO 2.
(Continued)
8
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