Renesas R8C/20

R8C/20 Group, R8C/21 Group 14. Timers
Rev.2.00 Aug 27, 2008 Page 163 of 458
REJ09B0250-0200
Figure 14.27 Block Diagram of Timer RD
TRDi register
Data bus
TRDGRAi register
TRDGRBi register
TRDGRCi register
TRDGRDi register
TRDCRi register
TRDIORAi register
TRDIORCi register
TRDSRi register
TRDIERi register
TRDPOCRi register
TRDSTR register
TRDMR register
TRDPMR register
TRDFCR register
TRDOER1 register
TRDOER2 register
TRDOCR register
Timer RD control
circuit
INT0
TRDIOA0/TRDCLK
TRDIOB0
TRDIOC0
TRDIOD0
TRDIOB1
TRDIOC1
TRDIOD1
TRDIOA1
Count source
select circuit
f1, f2, f4, f8, f32,
fOCO40M
Channel 0 interrupt
request
Channel 1 interrupt
request
A/D trigger
Channel i
i = 0 or 1
TRDDFi register