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PDF LC7573NM Data sheet ( Hoja de datos )

Número de pieza LC7573NM
Descripción 1/2 Duty VFD Driver for Frequency Display
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo



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No Preview Available ! LC7573NM Hoja de datos, Descripción, Manual

Ordering number : EN*3587B
CMOS LSI
LC7573N, 7573NM
1/2 Duty VFD Driver for Frequency Display
Preliminary
Overview
The LC7573N and LC7573NM are 1/2 duty VFD drivers
that can be used for electronic tuning frequency display
and other applications under the control of a controller.
These products can directly drive VFDs with up to 38
segments.
Features
• 38 segment outputs
• Noise reduction circuits are built into the output drivers.
• Serial data input supports CCB* format
communications with the system controller.
• Switching between digital and analog dimmers under
serial data control
• High generality since display data is displayed without
the intervention of a decoder
• All segments can be turned off with the BLK pin
Package Dimensions
unit: mm
3061-DIP30S
[LC7573N]
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
unit: mm
3073A-MFP30S
Pin Assignment
[LC7573NM]
SANYO: DIP30S
SANYO: MFP30S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O2095HA (OT)/3242JN No.3587-1/10

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LC7573NM pdf
LC7573N, 7573NM
CCB address: Transfer 0010B, as shown in Figure 2.
M0: Digital/analog dimmer selection data
M0 = 0 ....................................Digital dimmer
M0 = 1 ....................................Analog dimmer
DM0 to DM9: Dimmer data
This data controls the duty of the G1 and G2 digit output pins when the digital dimmer is selected.
This data consists of 10 bits, of which DM0 is the LSB. Note that display intensity can be adjusted by
controlling the duty of the G1 and G2 digit output pins. (The DM0 to DM9 dimmer data is ignored
when the analog dimmer is selected.)
SD1 to SD38: Display data
SD1 to SD19...........................Display data for the G1 digit output pin
SD20 to SD38.........................Display data for the G2 digit output pin
SDn (n = 1 to 38) = 1..............Display on
SDn (n = 1 to 38) = 0..............Display off
T0: Test data
The T0 bit must be set to 0.
Serial Data Format
Correspondence between Display Data (SD1 to SD38) and Segment Output Pins
Segment output pin
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
G1
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
SD16
SD17
SD18
SD19
G2
SD20
SD21
SD22
SD23
SD24
SD25
SD26
SD27
SD28
SD29
SD30
SD31
SD32
SD33
SD34
SD35
SD36
SD37
SD38
No. 3587-5/10

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