MAX6960 查看數據表（PDF） - Maxim Integrated

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MAX6960

4-Wire Serially Interfaced 8 x 8 Matrix Graphic LED Drivers

Maxim Integrated 

4-Wire Serially Interfaced

8 x 8 Matrix Graphic LED Drivers

Table 1. Levels of Functionality

PART

MAX6960

AVAILABLE FUNCTIONS

RGB 2

RGB

RGY

RGY MONOCOLOR MONOCOLOR

BITS PER 1 BIT PER 2 BITS PER 1 BIT PER 2 BITS PER 1 BIT PER

PIXEL* PIXEL* PIXEL

PIXEL

PIXEL

PIXEL

REGISTER LIMITATIONS

√

√

√

√

√

√

None.

MAX6961

—

√

—

√

—

PI bit (bit D7) in global panel

√

configuration register is fixed at 0

(Table 22).

MAX6962

√

√

—

—

√

C bit (bit D6) in global panel

√

configuration register is fixed at 0

(Table 21).

MAX6963

—

√

—

—

—

*When operated per Figure 17.

C bit (bit D6) in global panel

configuration register is fixed at 0

√

(Table 21).

PI bit (bit D7) in global panel

configuration register is fixed at 0

(Table 22).

Table 2. Maximum Display Matrix on a Single 4-Wire Interface

DISPLAY CONFIGURATION

Monocolor

RGY

RGB

MAXIMUM PIXEL COUNT

32,768

16,384

32,768 (3 buses required; see Figure 17)

EXAMPLE MAXIMUM PANEL (PIXELS)

256 x 128

256 x 64

128 x 85

Table 3. 4-Wire Interface Speed Requirements for Animation

DISPLAY-MEMORY-ACCESS METHOD

8-bit indirect display memory addressing

24-bit direct display memory addressing

256 DRIVERS ON 4-WIRE INTERFACE, 50 FRAMES PER SECOND UPDATE RATE

1-BIT-PER-PIXEL INTENSITY

CONTROL (Mbps)

1.64

4.92

2-BITS-PER-PIXEL INTENSITY

CONTROL (Mbps)

3.28

9.83

Quick-Start Guide

Selecting the Appropriate Driver

The MAX6960–MAX6963 matrix LED drivers are avail-

able in four versions, with different levels of functionality

(Table 1). The two-part ID bits in the fault and device ID

register (Table 32) identify the driver type to the inter-

face software. The ID bits may be of use if the same

panel software is used to drive more than one type of

display panel, because the software can automatically

detect the panel type.

This data sheet uses the generic name MAX6960 to refer

to the family of four parts MAX6960 through MAX6963,

unless there is a specific difference to discuss.

The purpose of this quick-start guide is to provide an

overview of the capabilities of the MAX6960 so that the

driver can be easily evaluated for a particular applica-

tion, without fighting through a complex data sheet.

Terminology

• Pixel: One “point” on a display. Comprises one LED

for a monocolor display, two LEDs for an RGY dis-

play, and three LEDs for an RGB display.

• Monocolor: Display has only one color, typically red

for low-cost signs or orange for traffic signs. Varying

the current through the LED changes the intensity of

the red.

6 _______________________________________________________________________________________

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