Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - display driver LED 7 segments, 14 segments, 16 segments, Common cathode 8 numbers, 1

Table 36. Display Test Register

Table 35. Key Pressed Register Format

Table 34. Key Debounced Register Format

MODE

ADDRESS

CODE

(HEX)

D7 D6 D5 D4 D3 D2 D1 D0

Normal Operation 0x07 X X X X X X X 0

Display Test 0x07 X X X X X X X 1

KEY

PRESSED

ADDRESS

CODE

(HEX

D7 D6 D5 D4 D3 D2 D1 D0

Key_A

Pressed

0x8C SW_A7 SW_A6 SW_A5 SW_A4 SW_A3 SW_A2 SW_A1 SW_A0

Key_B

Pressed

0x8D SW_B7 SW_B6 SW_B5 SW_B4 SW_B3 SW_B2 SW_B1 SW_B0

Key_C

Pressed

0x8E SW_C7 SW_C6 SW_C5 SW_C4 SW_C3 SW_C2 SW_C1 SW_C0

Key_D

Pressed

0x8F SW_D7 SW_D6 SW_D5 SW_D4 SW_D3 SW_D2 SW_D1 SW_D0

KEY

DEBOUNCED

ADDRESS

CODE

(HEX)

D7 D6 D5 D4 D3 D2 D1 D0

Key_A

Debounced

0x88 SW_A7 SW_A6 SW_A5 SW_A4 SW_A3 SW_A2 SW_A1 SW_A0

Key_B

Debounced

0x89 SW_B7 SW_B6 SW_B5 SW_B4 SW_B3 SW_B2 SW_B1 SW_B0

Key_C

Debounced

0x8A SW_C7 SW_C6 SW_C5 SW_C4 SW_C3 SW_C2 SW_C1 SW_C0

Key_D

Debounced

0x8B SW_D7 SW_D6 SW_D5 SW_D4 SW_D3 SW_D2 SW_D1 SW_D0

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MAX6954 4-Wire Interfaced, 2.7V to 5.5V LED Display

Driver with I/O Expander and Key Scan