Datasheet

283
12.2 MTU Register Descriptions
12.2.1 Timer Control Register (TCR)
The TCR is an 8-bit read/write register for controlling the TCNT counter for each channel. The
MTU has five TCR registers, one for each of the channels 0 to 4. TCR is initialized to H'00 by a
power-on reset or the standby mode. Manual reset does not initialize TCR.
Channels 0, 3, 4: TCR0, TCR3, TCR4:
Bit: 7 6 5 4 3 2 1 0
CCLR2 CCLR1 CCLR0 CKEG1 CKEG0 TPSC2 TPSC1 TPSC0
Initial value: 0 0 0 0 0 0 0 0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Channels 1, 2: TCR1, TCR2:
Bit: 7 6 5 4 3 2 1 0
— CCLR1 CCLR0 CKEG1 CKEG0 TPSC2 TPSC1 TPSC0
Initial value: 0 0 0 0 0 0 0 0
R/W: R R/W R/W R/W R/W R/W R/W R/W
• Bits 7–5—Counter Clear 2, 1, 0 (CCLR2, CCLR1, CCLR0): Select the counter clear source for
the TCNT counter.