2 tcdt: timer data register – FUJITSU MB91460 SERIES FR60 User Manual
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Chapter 35 Free-Run Timer
4.Registers
4.2 TCDT: Timer Data Register
This register can read 16-bit free-run timer count values.
• TCDT0 (free-run timer 0): Address 01F0h (access:
Half-word, Word
)
• TCDT1 (free-run timer 1): Address 01F4h (access:
Half-word, Word
)
• TCDT2 (free-run timer 2): Address 01F8h (access:
Half-word, Word
)
• TCDT3 (free-run timer 3): Address 01FCh (access:
Half-word, Word
)
• TCDT4 (free-run timer 4): Address 02F0h (access:
Half-word, Word
)
• TCDT5 (free-run timer 5): Address 02F4h (access:
Half-word, Word
)
• TCDT6 (free-run timer 6): Address 02F8h (access:
Half-word, Word
)
• TCDT7 (free-run timer 7): Address 02FCh (access:
Half-word, Word
)
(About attributes, see “
Meaning of Bit Attribute Symbols (Page No.10)
”.)
• When the timer data register is read, the count value of the free-run timer is also obtained.
• By writing to the timer data register, the timer value can be written in the free-run timer. When it is written,
make sure that the free-run timer is in the idle state (the count stop bit (TCCS.STOP= 1”)).
15
14
13
12
11
10
9
8
bit
T15
T14
T13
T12
T11
T10
T9
T8
0
0
0
0
0
0
0
0
Initial
value
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Attribute
7
6
5
4
3
2
1
0
bit
T7
T6
T5
T4
T3
T2
T1
T0
0
0
0
0
0
0
0
0
Initial
value
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Attribute