am85c30 Advanced Micro Devices, am85c30 Datasheet - Page 40

• Manufacturer Part Number: am85c30
• Description: Enhanced Serial Communications Controller
• Manufacturer: Advanced Micro Devices

40
AC testing: Inputs are driven at 2.4 V for a logic 1 and 0.4 V for a logic 0.
Timing measurements are made at 2.0 V for a logic 1 and 0.8 V for logic 0.
SWITCHING TEST INPUT/OUTPUT WAVEFORM
CTS, DCD, R1
RTxC, TRxC
TRxC RTxC
AMD
Transmit
Request
External
Receive
W/REQ
W/REQ
Output
SYNC
SYNC
PCLK
TRxC
RTxC
TRxC
Input
Wait
RxD
TxD
2.4 V
0.4 V
4
3
8
13
10
Figure 19. General Timing
5
2.0 V
0.8 V
11
21
22
14
18
9
Am85C30
Points
Test
16
17
6
20
21
22
15
19
2.0 V
0.8 V
1
2
7
12
10216F-25
10216F-26