s INPUT/OUTPUT CIRCUIT TYPE
Type
Circuit
X1
Clock input
A
X0
STANDBY
B
Control
signal
Mode input
Diffused resistor
P-channel transistor
C
Diffused
N-channel transistor
resistor
CMOS
Digital input
D
Diffused
resistor
STANDBY
Digital output
Digital output
Digital input
E
Diffused
resistor
STANDBY
Digital output
Digital output
Analog input
Digital input
MB91F127/F128
Remarks
• For 25 MHz system
• Oscillation feedback register :
Approx. 1MΩ
• Standby control is available.
• CMOS level input
• High-voltage control is avail-
able for FLASH test.
• CMOS level hysteresis input
• Standby control is not avail-
able.
• CMOS level output
• CMOS level hysteresis input
• Standby control is available
• Standby control is available
• CMOS level output
• CMOS level hysteresis input
• Analog input
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