Table 4. configuration register (continued), Table 5. blink controls – Rainbow Electronics MAX6964 User Manual
Page 12
MAX6964
17-Output LED Driver/GPO
with Intensity Control
12
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Table 4. Configuration Register (continued)
REGISTER DATA
REGISTER
ADDRESS
CODE
(hex)
D7
D6
D5
D4
D3
D2
D1
D0
CONFIGURATION
R/
W
0
BLINK
STATUS
OUTPUT
O16
0
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 global intensity control—intensity
is set by registers 0x10–0x17 for ports O0
through O15 when configured as outputs,
and by D3–D0 of register 0x0E for output
—
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
—
X
X
X
X
X
1
X
X
O16 output is low (blink is disabled)
—
X
X
X
0
0
X
X
0
O16 output is high impedance (blink is
disabled)
—
X
X
X
1
0
X
X
0
O 16 outp ut i s l ow d ur i ng b l i nk p hase 0
—
X
X
X
0
0
X
X
1
O16 output is high impedance during
blink phase 0
—
X
X
X
1
0
X
X
1
O 16 outp ut i s l ow d ur i ng b l i nk p hase 1
—
X
X
0
X
0
X
X
1
O16 output is high impedance during
blink phase 1
—
X
X
1
X
0
X
X
1
Read back BLINK input pin status;
input is low
1
X
0
X
X
X
X
X
X
Read back BLINK input pin status;
input is high
1
0x0F
X
1
X
X
X
X
X
X
Table 5. Blink Controls
BLINK ENABLE
FLAG
E
BLINK FLIP
FLAG
B
BLINK INPUT
PIN
BLINK FLIP FLAG
EXOR
BLINK INPUT PIN
BLINK
FUNCTION
OUTPUT REGISTERS
USED
0
X
X
X
Disabled
Blink phase 0
0
0
0
Blink phase 0
0
1
1
Blink phase 1
1
0
1
Blink phase 1
1
1
1
0
Enabled
Blink phase 0
X = Don’t care.
X = Don’t care.