ADP315PC87570 National Semiconductor, ADP315PC87570 Datasheet - Page 154

• Manufacturer Part Number: ADP315PC87570
• Description: Keyboard and Power Management Controller
• Manufacturer: National Semiconductor

19.5.9 Reset
19.5.10 Host Power-on
Internal WATCHDOG
Notes:
Host Interface
Input Signals
External Pull-ups &
Host Power
Internal Pull-ups &
HPWRON
V
Internal Reset
HMR
CLK
CC
1. Either WATCHDOG or power-up.
3. HPWRON should be inactive during power-up reset.
2. Valid on power-up reset only.
HPWRON
Pull-downs
Pull-downs
(Power)
Reset
CLK
1
3
1
2
2
Figure 19-25. Internal Power-Up Reset
Figure 19-27. HPWRON Input Timing
V
0.95
Figure 19-26. Warm Reset
CCON
Device Specifications
V
CC
t
SUPUP
t
HIPONs
154
t
WRST
t
IRST
t
t
IPLV
EPLV
t
HIPONh
t
RSTia
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