am7992b Advanced Micro Devices, am7992b Datasheet - Page 20

• Manufacturer Part Number: am7992b
• Description: Serial Interface Adapter Sia
• Manufacturer: Advanced Micro Devices

SWITCHING WAVEFORMS
Differentially)
Notes:
A. X1 20 MHz Sine Wave from Crystal Oscillator or driven with X1 driven from External Source Waveform.
B. TSEL connected as shown in Figure 2B. For Figure 2A, Transmit+ is HIGH when TENA is LOW.
C. When Idle Transmit Zero Differential is 1/2 (V
20
(Measured
Transmit
Transmit+
Transmit–
TENA
TCLK
TSEL
X1
TX
(Note B)
(Note C)
(Note C)
(Note B)
(Note A)
31
Transmit Timing – Start of Packet
1
H
+ V
V
V
L
H
L
).
Am7992B
V
0
V
H
L
1
03378I-15
AMD