Datasheet

Section 15 Timer RC
Page 482 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
15.3.5 A/D Conversion Start Trigger Setting Function
Timer RC can generate the A/D conversion start trigger signal on compare matches A, B, C, and
D by setting the timer RC A/D conversion start trigger control register (TRCADCR). Figure 15.23
shows an example where the A/D conversion start trigger signal is set to be output on compare
matches B and C.
GRA
H'0000
GRB
GRC
ADTRG
A/D conversion start
trigger is generated.
Figure 15.23 Example of Compare Match
In buffer operation, a buffer register cannot be used to generate the A/D conversion start trigger.
Moreover, GRC cannot serve as a buffer register for GRA in PWM2 mode. Table 15.9 shows the
A/D conversion start trigger source in each operating mode.