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Figure 8-3. External and Internal Interface Signals
8.2.1 Timer Input (TIN1, TIN2)
This input can be programmed to be the clock that causes events to occur in the counter
and prescaler. TINx is internally synchronized to the system clock to guarantee that a valid
TINx level is recognized. Additionally, the high and low levels of TINx must each be stable
MOTOROLA
Freescale Semiconductor, Inc.
TIMER 1
CLOCK
LOGIC
PRESCALER
COUNTER
OUTPUT
CONTROL
INTERRUPT
CONTROL
I
M
B
TIMER 2
CLOCK
LOGIC
PRESCALER
COUNTER
OUTPUT
CONTROL
INTERRUPT
CONTROL
MC68340 USER'S MANUAL
For More Information On This Product,
Go to: www.freescale.com
TIN1
TGATE1
EXTERNAL
INTERFACE
SIGNALS
TOUT1
TIN2
TGATE2
EXTERNAL
INTERFACE
SIGNALS
TOUT2
8- 5
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