M30218 Datasheet, PDF (55/179 Pages) Mitsubishi Electric Semiconductor – M30218 Group

FLD controller
Mitsubishi microcomputers
M30218 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Main address bus
050016
Local address bus
05DF16
FLDC mode register
(035016)
FLD data pointer
reload register
(035816)
Address
decoder
FLD data pointer
(035816)
Timing generator
Main
Local
data bus data bus
Digit output set register
P60/FLD0 DIG/FLD
P61/FLD1 DIG/FLD
P62/FLD2 DIG/FLD
P63/FLD3 DIG/FLD
8
P64/FLD4 DIG/FLD
P65/FLD5 DIG/FLD
P66/FLD6 DIG/FLD
P67/FLD7 DIG/FLD
03EC16 035D16
P50/FLD8 DIG/FLD
P51/FLD9 DIG/FLD
P52/FLD10 DIG/FLD
P53/FLD11 DIG/FLD ⁸
P54/FLD12 DIG/FLD
P55/FLD13 DIG/FLD
P56/FLD14 DIG/FLD
P57/FLD15 DIG/FLD
03E916 035C16
P00/FLD16
P01/FLD17
P02/FLD18
P03/FLD19 ⁸
P04/FLD20
P05/FLD21
P06/FLD22
P07/FLD23
03E016
P10/FLD24
P11/FLD25
P12/FLD26
P13/FLD27 ⁸
P14/FLD28
P15/FLD29
P16/FLD30
P17/FLD31
03E116
FLD/P P20/FLD32
FLD/P P21/FLD33
FLD/P P22/FLD34
FLD/P P23/FLD35
8
FLD/P P24/FLD36
FLD/P P25/FLD37
FLD/P P26/FLD38
FLD/P P27/FLD39
035916
03E416
FLD/P P30/FLD40
FLD/P P31/FLD41
FLD/P P32/FLD42
FLD/P P33/FLD43
8
FLD/P P34/FLD44
FLD/P P35/FLD45
FLD/P P36/FLD46
FLD/P P37/FLD47
035A16
03E516
FLD/P P40/FLD48
FLD/P P41/FLD49
FLD/P P42/FLD50
FLD/P P43/FLD51
8
FLD/P P44/FLD52
FLD/P P45/FLD53
FLD/P P46/FLD54
FLD/P P47/FLD55
035B16 03E816
FLD/port switch register
FLD blanking interrupt
FLD digit interrupt
Figure KA-1. Block Diagram for FLD Control Circuit
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