h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 301

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

Note: Only 0 can be written to clear these flags.
Bit
6
5
4
3
2
1
0
Bit Name
CMFA
OVF
—
OS3
OS2
OS1
OS0
Initial
Value
0
0
Undefined —
0
0
0
0
R/W
R/(W)* Compare Match Flag A
R/(W)* Timer Overflow Flag
R/W
R/W
R/W
R/W
[Setting condition]
•
[Clearing condition]
•
Output Select 3 and 2
These bits select a method of TMO pin output when
compare match B of TCORB and TCNT occurs.
00: No change when compare match B occurs
01: 0 is output when compare match B occurs
10: 1 is output when compare match B occurs
11: Output is inverted when compare match B occurs
Output Select 1 and 0
These bits select a method of TMO pin output when
compare match A of TCORA and TCNT occurs.
00: No change when compare match A occurs
01: 0 is output when compare match A occurs
10: 1 is output when compare match A occurs
11: Output is inverted when compare match A occurs
Description
[Setting condition]
•
[Clearing condition]
•
Reserved
This bit is always read as an undefined value, and
cannot be modified.
Set when TCNT matches TCORA
Cleared by reading CMFA when CMFA = 1, then
writing 0 to CMFA
Set when TCNT overflows from H'FF to H'00
Cleared by reading OVF when OVF = 1, then writing
0 to OVF
(toggle output)
(toggle output)
Rev. 2.00, 03/04, page 269 of 534