Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - display driver LED 8 x 8 (matrix) Any type of number 4-wire, Seriell 7.5 mA MQFP 44

MAX6960–MAX6963

4-Wire Serially Interfaced

8 x 8 Matrix Graphic LED Drivers

Maxim Integrated

Current Plane Identification (Bits D2, D3)

The current plane bits in the global panel configuration

used to control the display panel (Table 18). These bits

are read only; written data is ignored.

Ripple Sync (Bit D4)

The ripple sync feature, when enabled in the global panel

configuration register, desynchronizes the multiplex timing

of all the interconnected MAX6960 drivers on a display

panel by OSC/4 (Table 19). This delay spreads the drive

transitions among the drivers to spread power-supply

peak-current demand, and ease decoupling. The maxi-

mum delay from first driver to last driver is 244µs with the

maximum of 256 drivers used. This is too short a time to

cause visible artifacts.

Mux Flip (Bit D5)

The mux flip feature in the global panel configuration reg-

ister reverses the panel PWM timing for alternate drivers

when enabled (Table 20). Again, this spreads power-sup-

ply peak-current demand.

Color Control (Bit D6)

The color control bit in the global panel configuration reg-

ister selects whether a monocolor or RGY display panel is

built. Select monocolor when building an RGB panel as

shown in Figure 17. This bit is fixed at zero for the

MAX6962 and MAX6963, and a write to this bit is ignored

for these parts.

ADDRESS

CODE (HEX)

D7 D6 D5 D4 D3 D2 D1 D0

0/256 0x03 0 0 0 0000 0

1/256 0x03 0 0 0 0000 1

2/256 0x03 0 0 0 0001 0

3/256 0x03 0 0 0 0001 1

4/256 0x03 0 0 0 0010 0

— 0x03 ————————

251/256 0x03 1 1 1 1101 1

252/256 0x03 1 1 1 1110 0

253/256 0x03 1 1 1 1110 1

254/256 0x03 1 1 1 1111 0

255/256 (max on) 0x03 1 1 1 1111 1

Table 25. Digit 0 Intensity Register Format

ADDRESS CODE

(HEX)

D7 D6 D5 D4 D3 D2 D1 D0

0/256 0x04 0 0 000000

1/256 0x04 0 0 000001

2/256 0x04 0 0 000010

3/256 0x04 0 0 000011

4/256 0x04 0 0 000100

— 0x04 ————————

251/256 0x04 1 1 111011

252/256 0x04 1 1 111100

253/256 0x04 1 1 111101

254/256 0x04 1 1 111110

255/256 (max on) 0x04 1 1 111111

Table 26. Digit 1 Intensity Register Format