Rainbow Electronics MAX6965 - Manual (Page 11)

MAX6965
9-Output LED Driver 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 D0
Blink phase 0 outputs High-impedance outputs 0x01 1 1 1 1 1 1 1 1
User RAM 0xFF 0x03 1 1 1 1 1 1 1 1
Blink phase 1 outputs High-impedance outputs 0x09 1 1 1 1 1 1 1 1
Master, O8 intensity
PWM oscillator is disabled;
O8 is static logic output
0x0E 0 0 0 0 1 1 1 1
Configuration
O8 is high-impedance output;
blink is disabled;
global intensity is enabled
0x0F 0 X 1 1 0 1 0 0
Outputs intensity O1, O0 O1, O0 are static logic outputs 0x10 1 1 1 1 1 1 1 1
Outputs Intensity O3, O2 O3, O2 are static logic outputs 0x11 1 1 1 1 1 1 1 1
Outputs intensity O5, O4 O5, O4 are static logic outputs 0x12 1 1 1 1 1 1 1 1
Outputs intensity O7, O6 O7, O6 are static logic outputs 0x13 1 1 1 1 1 1 1 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 X X
Read-back device configuration 1 0
BLINK O1 O0
0
G B E
Disable blink — X X X X X X X 0
Enable blink — X X X X X X X 1
— X X X X X X 0 1
Flip blink register (see text)
— X X X X X X 1 1
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
— X X X X X 0 X X
Enable global intensity control—intensity
for all ports configured as outputs is set by
D3–D0 of register 0x0E
—
0x0F
X X X X X 1 X X
X = Don’t care.
X = Don’t care.