M38B5XMXH Datasheet, PDF (345/355 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

The number of fluorescent displays can be increased by connecting
the M35501FP to the CMOS FLD output pins on a 38B5 Group mi-
crocomputer.
Segment (high-breakdown-voltage: 36 pins + CMOS: 4 pins)
(1 pin used as CLK.)
M38B5X
P84
P27–P20
P07–P00
P17–P10
P37–P30
P83–P80
Fluorescent Display (FLD)
SEL
M35501
CLK
Digits
DIG0–DIG15
APPENDIX
3.12 M35501FP
Fig. 3.12.9 Connection example with 38B5 Group microcomputer (1 to 16 digits)
This FLD controller can control up to 32 digits using the 32 timing
mode of the 38B5 Group microcomputer.
Segment (high-breakdown-voltage: 36 pins + CMOS: 4 pins)
(1 pin is used as CLK.)
M38B5X
P84
P27–P20
P07–P00
P17–P10
P37–P30
P83–P80
Fluorescent Display (FLD)
SEL
M35501
CLK
OVFOUT OVFIN
Digits
DIG0–DIG15
OVFIN OVFOUT
SEL
M35501
CLK
Digits
DIG16–DIG31
Fig. 3.12.10 Connection example with 38B5 Group microcomputer (17 to 32 digits)
38B5 Group User’s Manual
3-97