h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1429

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

TCR4—Timer Control Register 4
Bit
Initial value
Read/Write
Counter Clear
Note: * Synchronous operation setting is performed by setting the
0
1
0
1
0
1


7
0
TCNT clearing disabled
TCNT cleared by TGRA compare match/input capture
TCNT cleared by TGRB compare match/input capture
TCNT cleared by counter clearing for another channel
performing synchronous clearing/synchronous operation*
SYNC bit in TSYR to 1.
CCLR1
R/W
6
0
Note: This setting is ignored when channel 4 is in phase
Clock Edge
0
1

0
1
CCLR0
counting mode.
Internal clock edge selection is valid when the input
clock is φ/4 or slower. This setting is ignored if the
input clock is φ/1, or when overflow/underflow of
another channel is selected.
R/W
Count at rising edge
Count at falling edge
Count at both edges
5
0
Note: This setting is ignored when channel 4 is in phase
Time Prescaler
0
1
CKEG1
0
1
0
1
R/W
counting mode.
4
0
0
1
0
1
0
1
0
1
Internal clock: counts on φ/1
Internal clock: counts on φ/4
Internal clock: counts on φ/16
Internal clock: counts on φ/64
External clock: counts on TCLKA pin input
External clock: counts on TCLKC pin input
Internal clock: counts on φ/1024
Counts on TCNT5 overflow/underflow
Rev. 6.00 Feb 22, 2005 page 1369 of 1484
CKEG0
R/W
H'FE90
3
0
Appendix B Internal I/O Register
TPSC2
R/W
2
0
TPSC1
R/W
1
0
REJ09B0103-0600
TPSC0
R/W
0
0
TPU4