MC68HC68 MOTOROLA [Motorola, Inc], MC68HC68 Datasheet - Page 12
MC68HC68
Manufacturer Part Number
MC68HC68
Description
Real-Time Clock plus RAM with Serial Interface
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC68.pdf
(26 pages)
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MC68HC68T1
12
Figure 10. Power–Up Functional Diagram (Initiated by Internal Interrupt Signal Generation)
Figure 11. Power–Up Functional Diagram (Initiated by a Rise in Voltage on the V SYS Pin)
V BATT
NOTE: The V SYS pin must be powered up.
INT
POWER SWITCH/
MODE CONTROL
INTERFACE
INTERRUPT
INTERFACE
POWER–UP
PERIODIC
BACKUP
SERIAL
SWITCH
V DD
CIRCUIT
CIRCUIT
SIGNAL
POWER
SERIAL
ALARM
SENSE
REAL–TIME CLOCK
REAL–TIME CLOCK
MC68HC68T1
MC68HC68T1
INTERRUPT
INTERNAL
SIGNAL
CLKOUT
CLKOUT
CPUR
V SYS
CPUR
PSE
PSE
MISO
MOSI
MISO
MOSI
V BATT
MOTOROLA
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