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3819 Datasheet(PDF) 148 Page - Renesas Technology Corp

Part # 3819
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  218 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

3819 Datasheet(HTML) 148 Page - Renesas Technology Corp

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3819 Group USER’S MANUAL
2. APPLICATION
MITSUBISHI MICROCOMPUTER
3819 Group
2.5 FLD controller
Figures 2.5.34 and 2.5.35 show a setting of related registers.
Fig. 2.5.34 Setting of related registers (1) [5 ! 7 dot display]
Toff = 9/16 ! Tdisp = 288
µs
0
Tscan = 512
µs
FLDM1
FLDC mode register 1 (Address:3616)
0
0
0
High-breakdown-voltage port drivability : Strong
0
1
0
Stop displaying
1
Automatic display mode
FLDM2
FLDC mode register 2 (Address:3716)
0
1
1
Tdisp = 512
µs
0
0
0 0
Set ports P11 and P10 to digit (DIG9, DIG8)
P0SDR
11
0
Port P0 segment/digit switch register (Address:32 16
)
1
0
01
Set ports P03–P00 to segment (SEG 35–SEG32)
(However, SEG 35 is unused.)
Set ports P07–P04 to digit (DIG7–DIG4)
0
Set ports P23–P20 to digit (DIG19–DIG16)
P2DPR
Port P2 digit/port switch register (Address:3316)
1
1
1
1



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