SH7641 Datasheet, PDF (608/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 18 Multi-Function Timer Pulse Unit (MTU)
Table 18.27 Output Level Select Function
Bit 1
OLSP
0
1
Initial Output
High level
Low level
Active Level
Low level
High level
Function
Compare Match Output
Increment Count
Decrement Count
Low level
High level
High level
Low level
Figure 18.2 shows an example of complementary PWM mode output (one phase) when OLSN =
1, OLSP = 1.
TCNT_3, and
TCNT_4 values
TGRA_3
TGRA_4
TCNT_3
TCNT_4
TDDR
H'0000
Positive
phase output
Reverse
phase output
Initial
output
Initial
output
Active
level
Compare match
output (up count)
Active level
Compare match
output (up count)
Compare match
output (down count)
Compare match
output (down count)
Active level
Figure 18.2 Complementary PWM Mode Output Level Example
Time
Rev. 4.00 Sep. 14, 2005 Page 558 of 982
REJ09B0023-0400