MC68340FE16E Datasheet, PDF (349/441 Pages) Freescale Semiconductor, Inc – Integrated Processor with DMA User’s Manual

Freescale Semiconductor, Inc.
TIMER 1
CLOCK
LOGIC
TIN1
TGATE1
PRESCALER
COUNTER
EXTERNAL
INTERFACE
SIGNALS
OUTPUT
CONTROL
TOUT1
INTERRUPT
CONTROL
I
M
B
TIMER 2
CLOCK
LOGIC
TIN2
TGATE2
PRESCALER
COUNTER
EXTERNAL
INTERFACE
SIGNALS
OUTPUT
CONTROL
TOUT2
INTERRUPT
CONTROL
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
MC68340 USER’S MANUAL
8-5
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