Section 17 Keyboard Buffer Control Unit (KBU)
Software standby mode,
watch mode, subsleep mode
KCLK
Rev. 3.00 Jul. 14, 2005 Page 608 of 986
REJ09B0098-0300
KBU
Interrupt
control
Figure 17.16 First KCLK Interrupt Path
Interrupt control block
B
Falling edge
detection circuit
A
Interrupt
Interrupt request
vector
to CPU
generation
circuit