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16 Power Management Chapter 4

AMD Duron™ Processor Data Sheet 23802E—September 2000

Preliminary Information

Figure 7. Processor Connection States

Condition

CONNECT is deasserted by the system (for a previously

sent Halt or Stop Grant special cycle).

Processor receives a wake-up event and must cancel

the disconnect request.

3 Deassert PROCRDY and slow down internal clocks.

Processor wake-up event or CONNECT asserted by

system.

5 CLKFWDRST is deasserted by the system

Forward clocks start 3 SYSCLK periods after

CLKFWDRST is deasserted.

Action

A CLKFWDRST is asserted by the system.

B Issue a CONNECT special cycle.

Assert PROCRDY and return internal clocks to

full speed

Connect

Disconnect

Pending

Disconnect

Connect

Pending 1

Connect

Pending 2

3/A

4/C

6/B

2/B

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AMD Duron Manual do Utilizador Página 28