CD2231 Intel Corporation, CD2231 Datasheet - Page 159
Manufacturer Part Number
CD2231 Intelligent Two-channel Lan And Wan Communications Controller
Intelligent Two-Channel LAN and WAN Communications Controller — CD2231
Figure 21. CLK / BUSCLK / RESET* TIming Relationship
During RESET* active period, BUSCLK is held low. BUSCLK will transition high and begin
running at one/half CLK frequency on the first rising edge of CLK after RESET* is released.