Specifications

4–20 Functional Description
Subject to Change – 17 January 1997
Reset and Initialization
Figure 4–8 System Reset and Initialization
pc164.28
Fan Sensor
Power Supply
Reset Switch
J21
p_dcok
+3 V
shdn_l
fan_ok_l
2
pc164.31
pc164.28
J3
J24
8
1
2
Debounce
Power
PC164-08
pc164.31
J3
b_dcok
sys_reset_l dc_ok_h
rst_l
sys_reset(n)_l
To +2.5-V Regulator
System
Sense
pc164.32
Buffering
pc164.29
CIA
21164
pc164.2
pc164.7
IRQ Mux
pc164.30
pc164.30
Reset
SIO
pc164.22
irq_reset_l