Rev. 2.00, 09/03, page 319 of 690
Auto-Reload Count Operation: Figure 12.3 shows the TCNT auto-reload operation.
TCNT value
TCOR
H'00000000
STR0
−
STR2
UNF
TCOR value set to
TCNT during underflow
Time
Figure 12.3 Auto-Reload Count Operation
TCNT Count Timing:
1. Internal Clock Operation: Set the TPSC2 to TPSC0 bits in TCR to select whether one of the
four internal clocks created by dividing the peripheral module clock is used (P
φ
/4, P
φ
/16,
P
φ
/64, P
φ
/256). Figure 12.4 shows the timing.
P
φ
Internal
clock
Timer counter
input clock
TCNT
N + 1
N
N
−
1
Figure 12.4 Count Timing when Internal Clock Is Operating
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 ...