pcf50603 NXP Semiconductors, pcf50603 Datasheet - Page 11

• Manufacturer Part Number: pcf50603
• Description: Controller For Power Supply And Battery Management
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Oct 31
handbook, full pagewidth
handbook, full pagewidth
Controller for power supply
and battery management
Before the supplies are turned on, the internal 32 kHz clock is already stable. After
power up of the IOVDD supply the external clock on pin CLK32K becomes available.
Before the supplies are turned on, the internal 32 kHz clock is already stable. After
power up of the IOVDD supply the external clock on pin CLK32K becomes available.
system
state
RSTHC_N
xxVDD
32 kHz
oscillator
CLK32K
system
state
RSTHC_N
SIM activation
xxVDD
32 kHz
oscillator
CLK32K
Fig.4 Reset generation timing diagram (STANDBY - ACTIVE - STANDBY transition).
Fig.5 Reset generation timing diagram (STANDBY - ACTIVE - STANDBY transition).
STANDBY
STANDBY
t reset = 10 ms
t reset = 10 ms
11
ACTIVE
ACTIVE
SIM emergency deactivation
Preliminary specification
STANDBY
STANDBY
PCF50603
MDB682
MDB683