MB90800(2004) 查看數據表（PDF） - Fujitsu
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MB90800 Datasheet PDF : 88 Pages
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MB90800 Series
s PIN DESCRIPTION
Pin No.
QFP
Pin Name
Circuit
Type*
Status/function
at reset
Description
92, 93
X0, X1
A
Oscillation
status
It is a terminal which connects the oscillator.
When connecting an external clock, leave the x1 pin
side unconnected.
13, 14
X0A, X1A B
P90, P91 G
Oscillation
status
Port input
(High-Z)
It is 32 kHz oscillation pin.
(Dual-line model)
General purpose input/output port.
(Single-line model)
51
MD2
M
Mode Pins
Input pin for selecting operation mode.
Connect directly to Vss.
52, 53
MD1, MD0 L
Mode Pins
Input pin for selecting operation mode.
Connect directly to Vcc.
54
RST
K
Reset input External reset input pin.
63, 64,
67 to 72,
73 to 76
SEG0 to
SEG11
D
LCD SEG
output
A segment output terminal of the LCD controller/
driver.
77 to 84
SEG12 to
SEG19
E
P00 to P07
A segment output terminal of the LCD controller/
driver.
General purpose input/output port.
85 to 89,
94 to 96
SEG20 to
SEG27
E
P10 to P17
A segment output terminal of the LCD controller/
driver.
General purpose input/output port.
SEG28 to
97 to 100,
1 to 4
SEG35
E
P20 to P27
A segment output terminal of the LCD controller/
driver.
General purpose input/output port.
SEG36
Port input
(High-Z)
A segment output terminal of the LCD controller/
driver.
5
P30
E
General purpose input/output port.
Serial data output pin of serial I/O channel 3.
SO3
Valid when serial data output of serial I/O channel 3
is enabled.
SEG37
A segment output terminal of the LCD controller/
driver.
6
P31
E
SC3
General purpose input/output port.
Serial clock I/O pin of serial I/O channel 3.
Valid when serial clock output of serial I/O channel 3
is enabled.
* : For the circuit type, see section “s I/O CIRCUIT TYPE”.
(Continued)
6
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