Fig. 1.5 Input/Output Circuit Configurations - Fujitsu MB89140 Series Hardware Manual

Classification
X1
X0
A
Standby control signal
B
C
Hysteresis input (with noise filter)
D
E
Hysteresis input (with noise filter)
F
Hysteresis input (with noise filter)
GENERAL
Circuit
R
Pch
Nch
Pch
Nch
Nch
Pch
Nch
Port
Analog input

Fig. 1.5 Input/Output Circuit Configurations

1-14
Remarks
Feedback resistor: About 2 MΩ
CMOS input
Output pull-up resistor (Pch): About 50 kΩ (5 V)
CMOS hysteresis input (with noise filter)
CMOS output
N-ch open drain output
CMOS hysteresis input (with noise filter)
CMOS output
CMOS hysteresis input (with noise filter; analog
input excluded)