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7641 Просмотр технического описания (PDF) - Mitsumi

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7641 Datasheet PDF : 149 Pages
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PRELIMINARY NSocothimcaene:gpTeah.riasmisetnrioct laimfiintsalasrepescuibfijceacttioton.
(1) Ports P0, P1, P3
Direction
register
Data bus
Port latch
(3) Port P40
Expanded data
memory access bit
Direction
register
Data bus
Port latch
EDMA signal
(5) Ports P43, P44
Timer count enabled
Pulse output mode selected
Direction
register
Data bus
Port latch
Timers X, Y output
CNTR0, CNTR1 input
Fig. 12 Port block diagram (1)
MITSUBISHI MICROCOMPUTERS
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(2) Port P2
Data bus
Direction
register
Port latch
P2 pull-up
Key interrupt input
(4) Ports P41, P42
Direction
register
Data bus
Port latch
INT0, INT1 interrupt input
(6) Port P50
Sub-clock (XCIN-XCOUT) stop bit
Direction
register
Data bus
Port latch
XCIN input
16

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