UPD784915B Datasheet, PDF (58/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
Figure 4-5. Relations among NMI, Watch Interrupt, and Key Interrupt When STOP Mode Is Released
NMI
INTP1
INTP2
INTM0.0
Latch
Clear
Standby control
block
Interrupt control
block
KEY0
KEY1
KEY2
KEY3
KEY4
Mask KEYC.6
Mask KEYC.5
Mask KEYC.4
S Q KEYC.7
R
Cleared when "0" is
written to KEYC.7
S Q KEYC.0
R
WM.6
Cleared when "0" is
written to KEYC.0
Mask WM.3
Watch timer
INTW (OVF)
Divides INTW
by 128 (HW0L.7)
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