I/O Circuit - Fujitsu MB90895 Series Hardware Manual

1.7

I/O Circuit

I/O circuit of MB90895 series is shown in the figure below.
I I/O Circuit
Table 1.7-1 I/O Circuit (1/2)
Classifi
cation
A
X1
X1A
X0
X0A
B
R
C
D
Circuit
Clock input
Standby control signal
V cc
R
Hysteresis input
R
Hysteresis input
V cc
Pch
Digital output
Digital output
Nch
V ss
R
Hysteresis input
Standby control
R
automotive input
Remarks
• Approximately 1MΩ high speed oscillation feedback
resistor.
• Oscillation feedback resistor for low speed approximately
10MΩ
• Hysteresis input with pull-up resistor
• pull-up resistor: about 50kΩ
• Hysteresis input
• CMOS hysteresis input
• CMOS-level output
• Standby control provided
• Automotive Input
CHAPTER 1 OVERVIEW
13