MB89990 Series
s I/O CIRCUIT TYPE
Type
A
X1
Circuit
X0
Standby control signal
X1
X0
Standby control signal
B
C
R
P-ch
N-ch
D
R
P-ch
P-ch
N-ch
10
Remarks
• At an oscillation feedback registor of approximately
1 MΩ at 5.0 V
• When crystal and ceramic oscillators are selected
optionally
• When CR oscillation is selected optionally
• Output pull-up resistor (P-ch): About 50 kΩ at 5.0 V
• Hysteresis input
• Pull-up resistor optional
• CMOS output
• CMOS input
• Hysteresis input (resource input)
• Pull-up resistor optional
(Continued)