Document Number: 002-04578 Rev. *A
Page 10 of 64
MB90910 Series
4. I/O Circuit Type
Type
Circuit
Remarks
A
Oscillation circuit :
High-speed oscillation feedback
resistor
approx. 1 M
(MASK ROM product, Flash memory product)
Oscillation circuit :
High-speed oscillation feedback
resistor
approx. 1 M
(Evaluation product)
B
Unused
C
• MASK ROM product / Evaluation
product :
CMOS hysteresis input pin
• Flash memory product :
CMOS input pin
D
• MASK ROM product / Evaluation
product :
CMOS hysteresis input pin
• Flash memory product :
- CMOS input pin
- No Pull-down
X1
X0
Xout
Standby control signal
X1
X0
Standby control signal
Xout
Standby control signal
X1A
X0A
Xout
R
CMOS hysteresis
inputs
R
P
u
ll-down
re
s
i
s
tor
CMO
S
hy
s
tere
s
i
s
inp
u
t
s