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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
00000000
Initial
value
R/W R/W R/W R/W R/W R/W R/W R/W Attribute
76543210bit
T7 T6 T5 T4 T3 T2 T1 T0
00000000
Initial
value
R/W R/W R/W R/W R/W R/W R/W R/W Attribute