Chapter 1 Interface Block
Chapter 1 Interface Block
Switching speed
t LD0 (ns)
Function
Oscillator Output Buffer (External Feedback Resistor)
Block type
Block type
OSO9
Path
→
t 1
T
IN
OUT
MIN.
0.010
0.010
TYP. MAX. MIN.
TYP. MAX. MIN.
TYP. MAX.
0.001
0.001
(HL)
(LH)
(HL)
(LH)
0.010
0.010
0.001
0.001
0.001
0.001
Function
MHz range
OSO9
kHz range
I/O cells int. cells
I1
I1
→
XT2
0.010
0.010
External feedback Resistor
1
0
8.240 17.530 17.530
4.649 9.408 9.408
0.009
0.008
0.017
0.014
0.017
0.014
→
O2
Internal feedback Resistor
Internal feedback Resistor
Oscillation stop function
Input
Output
Block type
Logic Diagram
Symbol Fan-in Symbol Fan-out
OSO9
I1
1.0
XT2
O2
-
52
I1 H01
N01 XT2
O2 N02
Truth Table
I1
XT2
O2
0
1
1
0
1
0
Block Library A13872EJ5V0BL
1 - 118
Block Library A13872EJ5V0BL
1 - 119