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AN874

更新时间： 2022-11-29 07:36:10

品牌	Logo	应用领域
美信 - MAXIM		显示驱动器
页数	文件大小	规格书
6页	42K
描述
Using the MAX6950 and the MAX6951 LED Display Drivers with Multiplex Dual-Digit Displays

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AN874 数据手册

DISPLAY DRIVERS

Apr 01, 2002

Using the MAX6950 and the MAX6951 LED Display

Drivers with Multiplex Dual-Digit Displays

This application note discusses how to connect the MAX6950 (5 digit) and

MAX6951 (8 digit) 7-segment LED display drivers to multiplex dual digit LED

displays instead of regular single digit 7 segment displays.

This application note discusses how to connect the MAX6950 and MAX6951 7-segment LED display

drivers to multiplex type (internally communed) dual digit displays, instead of regular single digit

displays.

The MAX6950 and MAX6951 are five-digit and eight-digit common-cathode LED display drivers that

use an unusual multiplexing scheme. This multiplexing scheme minimizes the connections between the

driver and the LED display, but requires the segment connections to be different to each of the five

(MAX6950) or eight (MAX6951) digits (Table 1).

Table 1. Standard Driver Connections to Single-Digit Displays

SEG8

DIG0/SEG0

Pin 6

DIG1/SEG1 DIG2/SEG2 DIG3/SEG3 DIG4/SEG4 DIG5/SEG5 DIG6/SEG6 DIG7/SEG7

Pin 5

Pin 4

Pin 3

Pin 14

Pin 13

Pin 12

Pin 11

LED

Digit

SEG

CC 0

SEG dp

SEG g

SEG f

SEG e

SEG d

SEG c

SEG b

LED

Digit SEG dp

SEG

CC1

SEG g

CC2

SEG f

CC3

SEG e

CC4

SEG d

CC5

SEG c

SEG b

LED

Digit SEG dp

SEG

SEG g

LED

Digit SEG dp

SEG

SEG f

LED

Digit

SEG

SEG dp

SEG e

LED

Digit SEG dp

SEG

SEG d

12 3 4 5 6

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