Datasheet

MAX6965
9-Output LED Driver with Intensity Control
and Hot-Insertion Protection
______________________________________________________________________________________ 11
Table 3. Power-Up Configuration
REGISTER DATA
REGISTER FUNCTION POWER-UP CONDITION
ADDRESS
CODE
(HEX)
D7 D6 D5 D4 D3 D2 D1
D0
Blink phase 0 outputs High-impedance outputs 0x01
1111111
1
User RAM 0xFF 0x03
1111111
1
Blink phase 1 outputs High-impedance outputs 0x09
1111111
1
Master, O8 intensity
PWM oscillator is disabled;
O8 is static logic output
0x0E
0000111
1
Configuration
O8 is high-impedance output;
blink is disabled;
global intensity is enabled
0x0F
0011010
0
Outputs intensity O1, O0
O1, O0 are static logic outputs
0x10
1111111
1
Outputs Intensity O3, O2
O3, O2 are static logic outputs
0x11
1111111
1
Outputs intensity O5, O4
O5, O4 are static logic outputs
0x12
1111111
1
Outputs intensity O7, O6
O7, O6 are static logic outputs
0x13
1111111
1
Table 4. Configuration Register
REGISTER DATA
REGISTER
ADDRESS
CODE
(HEX)
D7 D6 D5 D4 D3 D2 D1 D0
CONFIGURATION
R/W
—
BLINK
STATUS
OUTPUT
O8
—
GLOBAL
INTENSITY
BLINK FLIP
BLINK
ENABLE
Write device configuration
0
XX
Read-back device configuration
1
0
BLINK O1
O0
0
GBE
Disable blink
—
XXXXXXX0
Enable blink
—
XXXXXXX1
—
XXXXXX01
Flip blink register (see text)
—
XXXXXX11
Disable global intensity control—intensity is
set by registers 0x10–0x13 for ports O0
through O7 when configured as outputs,
and by D3–D0 of register 0x0E for output O8
—
XXXXX0 XX
Enable global intensity control—intensity
for all ports configured as outputs is set by
D3–D0 of register 0x0E
—
0x0F
XXXXX1 XX
X = Don’t care.