mc68hc68t1 Freescale Semiconductor, Inc, mc68hc68t1 Datasheet - Page 12

• Manufacturer Part Number: mc68hc68t1
• Description: Mc68hc68t1 Real-time Clock Plus Ram With Serial Interface
• Manufacturer: Freescale Semiconductor, Inc

MC68HC68T1
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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