Input-Output Circuits - Fujitsu F2MCTM-16LX Hardware Manual

1.6

Input-Output Circuits

Table 1.6-1 lists the input-output circuits.
Input-output Circuits
Table 1.6-1 I/O Circuit Types (1/4)
Type
A
X1
X0
B
X1A
X0A
C
D
Circuit
Standby control signal
Standby control signal
R
R
Pull-down
resistor
Oscillation circuit
High-speed oscillation feedback resistor =
Xout
approx. 1 MΩ
Oscillation circuit
Low-speed oscillation feedback resistor =
Xout
approx. 10 MΩ
Mask ROM device :
CMOS hysteresis input pin
Hysteresis
Flash device:
input
CMOS input
Mask ROM device :
CMOS hysteresis input pin
Hysteresis
Pull-down resistor value: approx. 50 kΩ
input
Flash device:
CMOS input pin
No Pull-down
CHAPTER 1 OVERVIEW
Remarks
17