Rev. 2.00, 09/03, page 321 of 690
12.5
Interrupts
There are two sources of TMU interrupts: underflow interrupts (TUNI) and interrupts when using
the input capture function (TICPI2).
12.5.1
Status Flag Set Timing
The UNF bit is set to 1 when the TCNT underflows. Figure 12.7 shows the timing.
P
φ
TCNT
Underflow
signal
UNF
TUNI
TCOR value
H'00000000
Figure 12.7 UNF Set Timing
12.5.2
Status Flag Clear Timing
The status flag can be cleared by writing 0 from the CPU. Figure 12.8 shows the timing.
P
φ
Peripheral address bus
UNF, ICPF
TCR address
T
1
T
2
TCR write cycle
T
3
Figure 12.8 Status Flag Clear Timing
Summary of Contents for SH7705
Page 2: ......
Page 70: ...Rev 2 00 09 03 page 24 of 690 ...
Page 194: ...Rev 2 00 09 03 page 148 of 690 ...
Page 284: ...Rev 2 00 09 03 page 238 of 690 ...
Page 338: ...Rev 2 00 09 03 page 292 of 690 ...
Page 354: ...Rev 2 00 09 03 page 308 of 690 ...
Page 374: ...Rev 2 00 09 03 page 328 of 690 ...
Page 420: ...Rev 2 00 09 03 page 374 of 690 ...
Page 476: ...Rev 2 00 09 03 page 430 of 690 ...
Page 482: ...Rev 2 00 09 03 page 436 of 690 ...
Page 552: ...Rev 2 00 09 03 page 506 of 690 ...
Page 630: ...Rev 2 00 09 03 page 584 of 690 ...
Page 739: ...SH7705 Group Hardware Manual REJ09B0082 0200O ...