M16C6KA_15 Datasheet, PDF (128/270 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Description

M16C/6KA Group
LPC Bus Interface
Input buffer full flag0
IBF0
Rising edge
detection circuit
One shot pulse
generator
Input buffer full flag1
IBF1
Rising edge
detection circuit
One shot pulse
generator
Input buffer full flag2
IBF2
Rising edge
detection circuit
One shot pulse
generator
Input buffer full flag3
IBF3
Rising edge
detection circuit
One shot pulse
generator
Output buffer full flag0 OBF0
Output buffer full flag1 OBF1
Output buffer full flag2 OBF2
Output buffer full flag3 OBF3
OBE0 Rising edge
detection circuit
OBE1 Rising edge
detection circuit
OBE2 Rising edge
detection circuit
OBE3 Rising edge
detection circuit
One shot pulse
generator
One shot pulse
generator
One shot pulse
generator
One shot pulse
generator
IBF0
IBF0 interrupt request
IBF1
IBF1 interrupt request
IBF2
IBF2 interrupt request
IBF3
IBF3 interrupt request
OBF0(OBE0)
OBF1(OBE1)
OBF2(OBE2)
OBF3(OBE3)
OBE interrupt request
Fig.GF-1 Interrupt, request, circuit of Data Bus Buffer
Rev.1.00 Jul 16, 2004 page 126 of 266
REJ03B0100-0100Z
Input Buffer Full0 interrupt requestsignal
(IBF0 interrupt request)
Input Buffer Full1 interrupt request signal
(IBF1 interrupt request)
Input Buffer Full2 interrupt request signal
(IBF2 interrupt request)
Input Buffer Full3 interrupt request signal
(IBF3 interrupt request)
Output Buffer empty interrupt request signal
(OBE interrupt request)