h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 1010

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

Appendix B Internal I/O Registers
TCSRY—Timer Control/Status Register Y
Rev. 4.00 Jun 06, 2006 page 956 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
TCSRY
Note:
* Only 0 can be written in bits 7 to 5, to clear the flags.
Compare match flag B
R/(W) *
CMFB
0
1
7
0
[Clearing conditions]
• When 0 is written in CMFB after reading CMFB = 1
• When the DTC is activated by a CMIB interrupt
[Setting condition]
When TCNT = TCORB
R/(W) *
Compare match flag A
CMFA
0
1
6
0
[Clearing conditions]
• When 0 is written in CMFA after reading CMFA = 1
• When the DTC is activated by a CMIA interrupt
[Setting condition]
When TCNT = TCORA
R/(W) *
Timer overflow flag
OVF
0
1
5
0
[Clearing condition]
When 0 is written in OVF after reading OVF = 1
[Setting condition]
When TCNT overflows from H'FF to H'00
Input capture interrupt enable
0
1
ICIE
R/W
4
0
Interrupt request by ICF (ICIX) is disabled
Interrupt request by ICF (ICIX) is enabled
Output select 3 and 2
0
1
Output select 1 and 0
OS3
R/W
H'FFF1
0
1
0
1
0
1
3
0
No change at compare match B
0 output at compare match B
1 output at compare match B
Output inverted at compare
match B (toggle output)
0
1
0
1
OS2
R/W
No change at compare match A
0 output at compare match A
1 output at compare match A
Output inverted at compare
match A (toggle output)
2
0
OS1
R/W
1
0
OS0
R/W
0
0
TMRY