I/O Circuit Type - Fujitsu F2MC-16LX Hardware Manual

CHAPTER 1 OVERVIEW OF MB90470
1.6

I/O Circuit Type

This section explains the I/O circuit type of MB90470 pins.
I I/O circuit type
Table 1.6-1 "I/O circuit type" summarizes the I/O circuit type of MB90470 pins.
Table 1.6-1 I/O circuit type
Class
X1,X1A
X0,X0A
A
B
C
16
Circuit
Standby control signal
Hysteresis input
Control
CMOS
Description
• Oscillation feedback resistor:
• X1, X0: about 1 MΩ
• X1A, X0A: 10 MΩ
• Use of standby control
• Hysteresis input with pull-up
• Resistor: about 50 KΩ
• Use of standby control
• Use of input pull-up resistor control
• CMOS level input/output
• Resistor: about 50 KΩ