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M3885 Datasheet(PDF) 49 Page - Renesas Technology Corp

Part # M3885
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  103 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M3885 Datasheet(HTML) 49 Page - Renesas Technology Corp

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3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
48
Fig. 44 Interrupt request circuit of data bus buffer
Input buffer
full flag 0
IBF0
Input buffer
full flag 1
IBF1
Rising edge
detection circuit
One-shot pulse
generating circuit
One-shot pulse
generating circuit
Input buffer full interrupt
request signal IBF
Output buffer
full flag 0
OBF0
Output buffer
full flag 1
OBF1
One-shot pulse
generating circuit
One-shot pulse
generating circuit
Output buffer empty interrupt
request signal OBE
Interrupt request is set at this rising edge
Interrupt request is set at this rising edge
IBF0
IBF1
IBF
OBF0
(
OBE0)
OBF1
(
OBE1)
OBE
OBE0
OBE1
Rising edge
detection circuit
Rising edge
detection circuit
Rising edge
detection circuit



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