E202075_HD404889 Datasheet, PDF (106/202 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip LCD Circuit

HD404889/HD404899/HD404878/HD404868 Series
Input capture
status flag
(ICSF)
Input capture
error flag
(ICEF)
Timer D interrupt
request flag
(IFTD)
EVND
Edge detection
logic
Read signal
System
clock
øPER
÷2
÷4
÷8
÷32
÷128
÷512
÷2048
2
Timer read register D
(TRDL)
(TRDU)
4
4
Timer counter D
(TCDL)
(TCDU)
Input capture
timer control
3
Time mode
register D1
(TMD1)
Timer mode
3
register D2
(TMD2)
Data bus
Clock line
Signal line
Figure 55-2 Timer D Block Diagram (Input Capture Timer Mode)
104