MAX6966 Maxim, MAX6966 Datasheet - Page 13

• Manufacturer Part Number: MAX6966
• Description: The MAX6966/MAX6967 serial-interfaced peripherals provide microprocessors with 10 I/O ports rated to 7V
• Manufacturer: Maxim

Table 4. Configuration Register
*Current read status of this bit.
Write device configuration
Read-back device configuration
Shutdown mode (CS run disabled)
Put or keep device in shutdown,
disable CS run
Shutdown mode (CS run enabled)
Put or keep device in shutdown,
enable CS run
Run mode
(device is currently in run mode)
R u n ( e x it sh u t d o w n ) wit h o u t ra m p - u p
(device is currently in shutdown);
bring device out of shutdown
instantly, ignoring fade register setting
Run (exit shutdown) with ramp-up
(device is currently in shutdown);
bring device out of shutdown using
fade register ramp-up setting
Run (abort shutdown sequence)
(device is currently in hold-off/fade-off
sequence to shutdown);
bring device out of shutdown
instantly, ignoring fade register setting
Status: shutdown mode
Status: in fade-off sequence to
shutdown mode
Status: in hold-off sequence to
shutdown mode
Status: run mode
Status: in ramp-up sequence to run
mode
PWM outputs are in phase
PWM outputs stagger phase
DOUT/OSC is DOUT output,
PWM clock source is internal oscillator
DOUT/OSC is OSC input,
PWM clock source is OSC
10-Port Constant-Current LED Drivers and I/O
CONFIGURATION
REGISTER
______________________________________________________________________________________
Expanders with PWM Intensity Control
R/W
X
X
X
X
0
1
0
0
0
0
0
0
1
1
1
1
1
ADDRESS
CODE
(HEX)
0x10
DOUT
/OSC
OSC
D7
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
D6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Stagger
Stagger
Stagger
Stagger
Stagger
Stagger
stagger
PWM
D5
X
X
X
X
X
X
0
1
X
X
status
Hold-
Hold-
D4
off
off
REGISTER DATA
0
0
0
0
1
1
X
X
X
X
X
X
0
0
1
0
0
*
*
*
*
*
*
status
Fade-
Fade-
D3
off
off
0
0
0
1
0
1
X
X
0
1
0
0
0
X
X
X
X
*
*
*
*
*
*
enable/
enable
Ramp-
Ramp-
Ramp-
status
status
D2
up
up
up
X
X
X
X
X
X
X
0
1
1
0
0
0
0
1
CS run
CS run
CS run
CS run
CS run
CS run
CS run
D1
0
1
X
X
X
X
X
X
X
X
Sh u t d o w n /
Run
r u n
D0
0
0
1
1
1
1
0
0
0
1
1
X
X
X
X
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