User Manual
439
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
General Purpose Timer Units (GPT12)
16.3.2
GPT1 Core Timer T3 Operating Modes
Timer T3 can operate in one of several modes.
Timer T3 in Timer Mode
Timer mode for the core timer T3 is selected by setting bitfield T3M in register T3CON to 000
B
. In Timer Mode,
T3 is clocked with the module’s input clock
f
GPT
divided by two programmable prescalers controlled by
bitfields BPS1 and T3I in register T3CON. Please see
for details on the input clock options.
Figure 87 Block Diagram of Core Timer T3 in Timer Mode
Prescaler
Core Timer T3
Toggle Latch
MCB05391
BPS1
T3I
MUX
Up/Down
0
1
T3EUD
f
GPT
=1
T3UD
f
T3
T3R
Count
T3OUT
T3IRQ
to
T2/T4
T3UDE