User Manual
459
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
General Purpose Timer Units (GPT12)
T3EDGE
13
rwh
Timer T3 Edge Detection Flag
The bit is set each time a count edge is detected. T3EDGE must be
cleared by software.
0
B
No count
, No count edge was detected
1
B
Count
, A count edge was detected
BPS1
12:11
rw
GPT1 Block Prescaler Control
Select basic clock for block GPT1 (see also
)
00
B
8
,
f
GPT
/8
01
B
4
,
f
GPT
/4
10
B
32
,
f
GPT
/32
11
B
16
,
f
GPT
/16
T3OTL
10
rwh
Timer T3 Overflow Toggle Latch
Toggles on each overflow/underflow of T3. Can be set or cleared by
software (see separate description)
T3OE
9
rw
Overflow/Underflow Output Enable
0
B
Disabled
, Alternate Output Function Disabled
1
B
T3OUT
, State of T3 toggle latch is output on pin T3OUT
T3UDE
8
rw
Timer T3 External Up/Down Enable
0
B
T3UD
, Count direction is controlled by bit T3UD;
input T3EUD is disconnected
1
B
T3EUD
, Count direction is controlled by input T3EUD
T3UD
7
rw
Timer T3 Up/Down Control
1)
0
B
Up
, Timer T3 counts up
1
B
Down
, Timer T3 counts down
T3R
6
rw
Timer T3 Input Run Bit
0
B
Stop
, Timer T3 stops
1
B
Run
, Timer T3 runs
T3M
5:3
rw
Timer T3 Input Mode Control
000
B
Timer Mode
,
001
B
Counter Mode
,
010
B
Gated low
, Gated Timer Mode with gate active low
011
B
Gated high
, Gated Timer Mode with gate active high
100
B
Reserved
, Do not use this combination
101
B
Reserved
, Do not use this combination
110
B
Incremental Interface Mode
, (Rotation Detection Mode)
111
B
Incremental Interface Mode
, (Edge Detection Mode)
T3I
2:0
rw
Timer T3 Input Parameter Selection
Depends on the operating mode, see respective sections for
encoding:
for Timer Mode and Gated Timer Mode
for Counter Mode
for Incremental Interface Mode
1) See
for encoding of bits T3UD and T3UDE.
Field
Bits
Type
Description