Rev. 3.0, 10/02, page 341 of 686
11.8
Usage Notes
11.8.1
Contention between TCNT Write and Clear
If a timer counter clock pulse is generated during the T
2
state of a TCNT write cycle, the clear
takes priority, so that the counter is cleared and the write is not performed. Figure 11.10 shows this
operation.
ø
Address
TCNT address
Internal write signal
Counter clear signal
TCNT
N
H'00
T1
T2
TCNT write cycle by CPU
Figure 11.10 Contention between TCNT Write and Clear
Summary of Contents for H8S/2215 Series
Page 4: ...Rev 3 0 10 02 page iv of lviii ...
Page 6: ...Rev 3 0 10 02 page vi of lviii ...
Page 28: ...Rev 3 0 10 02 page xxviii of lviii ...
Page 122: ...Rev 3 0 10 02 page 64 of 686 ...
Page 132: ...Rev 3 0 10 02 page 74 of 686 ...
Page 156: ...Rev 3 0 10 02 page 98 of 686 ...
Page 198: ...Rev 3 0 10 02 page 140 of 686 ...
Page 320: ...Rev 3 0 10 02 page 262 of 686 ...
Page 384: ...Rev 3 0 10 02 page 326 of 686 ...
Page 474: ...Rev 3 0 10 02 page 416 of 686 ...
Page 608: ...Rev 3 0 10 02 page 550 of 686 ...
Page 614: ...Rev 3 0 10 02 page 556 of 686 ...
Page 650: ...Rev 3 0 10 02 page 592 of 686 ...
Page 652: ...Rev 3 0 10 02 page 594 of 686 ...
Page 680: ...Rev 3 0 10 02 page 622 of 686 ...
Page 732: ...Rev 3 0 10 02 page 674 of 686 ...
Page 740: ...Rev 3 0 10 02 page 682 of 686 ...