UPD78F1502AGK-GAK-AX Datasheet, PDF (275/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 6 TIMER ARRAY UNIT
The TCRmn register read value differs as follows according to operation mode changes and the operating status.
Operation Mode
Interval timer
mode
Capture mode
Event counter
mode
One-count mode
Capture & one-
count mode
Table 6-2. TCRmn Register Read Value in Various Operation Modes
Count Mode
Operation mode
change after reset
Count down
FFFFH
TCRmn Register Read Value^Note
Operation mode
change after count
operation paused
(TTmn = 1)
Operation restart
after count operation
paused (TTmn = 1)
Undefined
Stop value
Count up
Count down
0000H
FFFFH
Undefined
Undefined
Stop value
Stop value
Count down
Count up
FFFFH
0000H
Undefined
Undefined
Stop value
Stop value
During start trigger
wait status after one
count
−
−
−
FFFFH
Capture value of
TDRmn register + 1
Note The read values of the TCRmn register when TSmn has been set to "1" while TEmn = 0 are shown. The read value
is held in the TCRmn register until the count operation starts.
Remark mn: Unit number + Channel number
mn = 00 to 07, 10 to 13
R01UH0004EJ0501 Rev.5.01
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Jun 20, 2011