MB90370 データシートの表示（PDF） - Fujitsu
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MB90370 Datasheet PDF : 140 Pages
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MB90370/375 Series
s PIN DESCRIPTION
Pin no.
LQFP-144
Pin name
I/O Pin status
circuit during reset
Function
128, 129 X0, X1
A
Oscillating Main oscillation pins.
20, 21 X0A, X1A A
Oscillating Sub-clock oscillation pins.
17
RST
B Reset input External reset input pin.
58, 57, 56
MD0 to
MD2
C
Mode input
Input pin for operation mode specification. Connect this pin
directly to Vcc or Vss.
P00 to P07
General-purpose I/O ports.
109 to 116 KSI0 to
D
KSI7
Can be used as key-on wake-up interrupt input channel 0 to
channel 7. Input is enabled when 1 is set in EICR : EN0 to EN7
in standby mode.
117 to 124 P10 to P17 E
General-purpose I/O ports.
125,
130 to 136
P20 to P27
E
General-purpose I/O ports.
137 to 143 P30 to P36 E
General-purpose I/O ports.
P37
144
E
ADTG
General-purpose I/O ports.
External trigger input pin (ADTG) for the A/D converter.
P40
1
F
PSCK0
General-purpose N-ch open-drain I/O port.
Serial clock I/O pin for PS/2 interface channel 0. This function
is selected when PS/2 interface channel 0 is enabled.
P41
General-purpose N-ch open-drain I/O port.
2
PSDA0
F
Serial data I/O pin for PS/2 interface channel 0. This function
Port input is selected when PS/2 interface channel 0 is enabled.
P42
General-purpose N-ch open-drain I/O port.
3
F
PSCK1
Serial clock I/O pin for PS/2 interface channel 1. This function
is selected when PS/2 interface channel 1 is enabled.
P43
4
F
PSDA1
General-purpose N-ch open-drain I/O port.
Serial data I/O pin for PS/2 interface channel 1. This function
is selected when PS/2 interface channel 1 is enabled.
P44
5
F
PSCK2
General-purpose N-ch open-drain I/O port.
Serial clock I/O pin for PS/2 interface channel 2. This function
is selected when PS/2 interface channel 2 is enabled.
P45
6
F
PSDA2
General-purpose N-ch open-drain I/O port.
Serial data I/O pin for PS/2 interface channel 2. This function
is selected when PS/2 interface channel 2 is enabled.
P46
General-purpose N-ch open-drain I/O port.
7
G
CLKRUN
LPC clock status / restart request I/O pin for serial IRQ control-
ler. This function is selected when serial IRQ and LPC clock
restart request is enabled.
(Continued)
8
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