HD404318 Datasheet, PDF (35/66 Pages) Hitachi Semiconductor – 4-bit HMCS400-series microcomputer

HD404318 Series
Input capture
status flag
(ICSF)
Error
controller
Input capture
error flag
(ICEF)
Interrupt request
flag of timer B
(IFTB)
EVNB
Edge
detector
Read
signal
Clock
Input capture
timer control
signal
Timer read
register BU
(TRBU)
Timer read
register B lower
(TRBL)
Timer counter B
(TCB)
Overflow
Selector
3
System
clock
ø_PER
Prescaler S (PSS)
2
Edge detection control signal
Timer mode
register B1
(TMB1)
Timer mode
register B2
(TMB2)
Figure 25 Timer B Input Capture Operation Block Diagram
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