MB89980 Series
s I/O CIRCUIT TYPE
Type
A
Circuit
X1
N-ch P-ch
X0
P-ch
N-ch
X1A
N-ch P-ch
B
X0A
P-ch
N-ch
N-ch
C
R
P-ch
D
N-ch
Remarks
Main clock (main clock crystal
oscillator)
• At an oscillation feedback
resistor of approximately 1
MΩ/5.0 V
• CR oscillation is selectable for
MB89983 only
Subclock (subclock crystal
oscillator)
• At an oscillation feedback
resistor of approximately 4.5
MΩ/5.0 V
• Hysteresis input
• At a pull-down resistor (P-ch)
of approximately 50 kΩ/5.0 V
• At an output pull-up resistor
(P-ch) of approximately 50
kΩ/5.0 V
• Hysteresis input
R P-ch
• CMOS output
• CMOS input
P-ch
E
• The peripheral is a hysteresis
input type.
• Pull-up resistor is
N-ch
approximately 50 kΩ/5.0 V
• Pull-up resistor is selected by
Port
mask option.
Peripheral
R P-ch
Pull-up control register
• CMOS output
• CMOS input
P-ch
F
• The peripheral is a hysteresis
input type.
• Pull-up resistor is
N-ch
approximately 50 kΩ/5.0 V
• Pull-up resisitor is selected by
Port
pull-up control register
Peripheral
(Continued)
10