am7992b Advanced Micro Devices, am7992b Datasheet - Page 24

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

SWITCHING WAVEFORMS
Note:
A. Encode Manchester clock transition (BCC) at Point ‘A’ and bit cell edge (BCB) at point ‘B’.
*See Specification for External TTL Level in Functional Description section.
24
Driving
TCLK
Input
Transmit+, Transmit–
X1
TENA
TCLK
TX
(Note A)
1.5
35
t
HIGH
0.8
*
28
(Bit Cell Center)
26
X1 Driven from External Source
0.8 V
BCC
1.5
‘A’
2.0 V
0.8 V
2.0
0.8
t
LOW
TCLK and TX Timing
0 V
*
28
25
Am7992B
29
T
2.0
0.8
OSC
34
1.5
2.0 V
0.8 V
24
27
2.0
(Bit Cell Boundary)
0.8 V
BCB
‘B’
1.5
0.8
2.0
03378I-22
t
R
*
03378I-23
t
F
AMD
*