CHAPTER 7 INTERRUPT AND TEST FUNCTIONS
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User’s Manual U10676EJ3V0UM
Figure 7-10. Block Diagram of KR4 to KR7
KR7/P73
KR6/P72
KR5/P71
KR4/P70
Nothing is assigned
(in reset mode)
Key return reset circuit
Falling edge
detector
IM2
INT2
(IRQ2 setting signal)
Input buffer
4
Internal bus
Selector