Rainbow-electronics MAX6964 Manual do Utilizador descarregar pdf (Página 12)

MAX6964

17-Output LED Driver/GPO

with Intensity Control

12 ______________________________________________________________________________________

Table 4. Configuration Register (continued)

ADDRESS

CODE

(hex)

D7 D6 D5 D4 D3 D2 D1 D0

CONFIGURATION

R/W

BLINK

STATUS

OUTPUT

O16

GLOBAL

INTENSITY

BLINK FLIP

BLINK

ENABLE

Write device configuration

Read back device configuration

BLINK O1

GBE

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

—

XXXXX0 XX

Enable global intensity control—intensity

for all ports configured as outputs is set

by D3–D0 of register 0x0E

—

XXXXX1 XX

O16 output is low (blink is disabled)

—

XXX00XX0

O16 output is high impedance (blink is

disabled)

—

XXX10XX0

O 16 outp ut i s l ow d ur i ng b l i nk p hase 0

—

XXX00XX1

O16 output is high impedance during

blink phase 0

—

XXX10XX1

O 16 outp ut i s l ow d ur i ng b l i nk p hase 1

—

XX0 X 0 XX1

O16 output is high impedance during

blink phase 1

—

XX1 X 0 XX1

Read back BLINK input pin status;

input is low

X 0 XXXXXX

Read back BLINK input pin status;

input is high

0x0F

X 1 XXXXXX

Table 5. Blink Controls

BLINK ENABLE

FLAG

BLINK FLIP

FLAG

BLINK INPUT

BLINK FLIP FLAG

EXOR

BLINK INPUT PIN

BLINK

FUNCTION

OUTPUT REGISTERS

USED

0XXXDisabled Blink phase 0

00 0 Blink phase 0

01 1 Blink phase 1

10 1 Blink phase 1

11 0

Enabled

Blink phase 0

X = Don’t care.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 22 23

17-Output LED Driver/GPO 1

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