
MAX6964
17-Output LED Driver/GPO
with Intensity Control
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Table 3. Power-Up Configuration
REGISTER DATA
REGISTER FUNCTION POWER-UP CONDITION
ADDRESS
CODE
(hex)
D7 D6 D5 D4 D3 D2 D1
Blink phase 0 outputs O7–O0
High-impedance outputs 0x02
1 111111
Blink phase 0 outputs O15–O8
High-impedance outputs 0x03
1 111111
1 111111
1 111111
Blink phase 1 outputs O7–O0
High-impedance outputs 0x0A
1 111111
Blink phase 1 outputs O15–O8
High-impedance outputs 0x0B
1 111111
Master and global/O16
intensity
PWM oscillator is disabled;
O16 is static logic output
0x0E
0 000111
O16 is high-impedance output;
blink is disabled;
global intensity is enabled
0x0F
0 011010
O1, O0 are static logic outputs
1 111111
O3, O2 are static logic outputs
1 111111
O5, O4 are static logic outputs
1 111111
O7, O6 are static logic outputs
1 111111
O9, O8 are static logic outputs
1 111111
Outputs intensity O11, O10
O11, O10 are static logic outputs
1 111111
Outputs intensity O13, O12
O13, O12 are static logic outputs
1 111111
Outputs intensity O15, O14
O15, O14 are static logic outputs
1 111111
Table 4. Configuration Register
REGISTER DATA
REGISTER
ADDRESS
CODE
(hex)
D7 D6 D5 D4 D3 D2 D1 D0
CONFIGURATION
0
BLINK
STATUS
OUTPUT
O16
0
GLOBAL
INTENSITY
BLINK FLIP
BLINK
ENABLE
Write device configuration
0
XX
Read back device configuration
1
BLINK O1
—
—
—
XXXXXX01
Flip blink register (see text)
—
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