UPD78361A Datasheet, PDF (36/88 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78361A, 78362A
Figure 3-11. Block Diagram of Timer 4 (General-Purpose Timer Mode)
Clear
f CLK
f CLK/2
f CLK/4
f CLK/8
f CLK/16
f CLK/32
Timer register
TM4
16
Compare register
CM40
INTCM40
ALV40
SQ
R
TO40
Compare register
CM41
INTCM41
Remark fCLK: internal system clock
Figure 3-12. Block Diagram of Timer 4 (UDC Mode)
Clear
TCLRUD
TIUD
TCUD
f CLK/4
f CLK/8
f CLK/16
Up/down
detector
Timer register
TM4
16
Compare register
CM40
OVF
UDF
INTCM40
Compare register
CM41
Remark fCLK: internal system clock
INTCM41
36