h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 366

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 8-Bit Timers
12.2.4
TCR is an 8-bit readable/writable register that selects the clock source and the time at which
TCNT is cleared, and enables interrupts.
TCR is initialized to H'00 by a reset and in hardware standby mode.
For details of the timing, see section 12.3, Operation.
Bit 7—Compare-Match Interrupt Enable B (CMIEB): Selects whether the CMFB interrupt
request (CMIB) is enabled or disabled when the CMFB flag in TCSR is set to 1.
Note that a CMIB interrupt is not requested by TMRX, regardless of the CMIEB value.
Bit 7
CMIEB
0
1
Bit 6—Compare-Match Interrupt Enable A (CMIEA): Selects whether the CMFA interrupt
request (CMIA) is enabled or disabled when the CMFA flag in TCSR is set to 1.
Note that a CMIA interrupt is not requested by TMRX, regardless of the CMIEA value.
Bit 6
CMIEA
0
1
Rev. 4.00 Jun 06, 2006 page 312 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
Timer Control Register (TCR)
Description
CMFB interrupt request (CMIB) is disabled
CMFB interrupt request (CMIB) is enabled
Description
CMFA interrupt request (CMIA) is disabled
CMFA interrupt request (CMIA) is enabled
CMIEB
R/W
7
0
CMIEA
R/W
6
0
OVIE
R/W
5
0
CCLR1
R/W
4
0
CCLR0
R/W
3
0
CKS2
R/W
2
0
CKS1
R/W
1
0
(Initial value)
(Initial value)
CKS0
R/W
0
0