AM79C978 Advanced Micro Devices, AM79C978 Datasheet - Page 231

• Manufacturer Part Number: AM79C978
• Description: Single-Chip 1/10 Mbps PCI Home Networking Controller
• 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
22206B-66
Figure 63. Automatic PREAD EEPROM Timing
t J3
2.0 V
2.0 V
t J4
TCK
1.5 V
1.5 V
0.8 V
0.8 V
t J5
t J6
t J2
22206B-67
Figure 64. JTAG (IEEE 1149.1) TCK Waveform for 5 V Signaling
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