HD404356 Datasheet, PDF (47/100 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer

Input capture
status flag
(ICSF)
Error
controller
Input capture
error flag
(ICEF)
HD404358 Series
Interrupt request
flag of timer B
(IFTB)
EVNB
Edge
detector
Read
signal
Timer read
register B upper
(TRBU)
Timer read
register B lower
(TRBL)
Clock
Input capture
timer control
signal
Timer counter B
(TCB)
Overflow
System
clock
Selector
ø_PER
Prescaler S (PSS)
3
Timer mode
register B1
(TMB1)
2
Edge detection control signal
Timer mode
register B2
(TMB2)
Figure 32 Timer B Input Capture Operation Block Diagram
47