AM79C971VCW Advanced Micro Devices, AM79C971VCW Datasheet - Page 215

• Manufacturer Part Number: AM79C971VCW
• Description: PCnet-FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
• Manufacturer: Advanced Micro Devices

SWITCHING WAVEFORMS: SYSTEM BUS INTERFACE (CONTINUED)
t HIGH (EESK)
t LOW (EESK)
t SU (EEDO)
EESK
t H (EEDO)
t VAL (EEDI,EECS)
Stable
EEDO
t LOW (EECS)
EECS
EEDI
20550D-71
Figure 68. Automatic PREAD EEPROM Timing
t J3
0.8 V
2.0 V
2.0 V
t J4
1.5 V
TCK
1.5 V
0.8 V
t J5
t J6
t J2
20550D-72
Figure 69. JTAG (IEEE 1149.1) TCK Waveform for 5 V Signaling
Am79C971
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