DS1085
Table 2. DEVICE MODE USING OUT0
CTRL0
OUT0
CTRL0
DEVICE
(PIN)
(PIN)
FUNCTION
MODE
Power-Down*
1
High-Z
Power-Down***
0
0
0
0
High-Z
Active
Mux Select
1
MCLK/M
0
1
0
Active
0
MCLK
1
High-Z
Output Enable
1
0
0
Active
0
MCLK
1
High-Z
Output Enable
1
1
0
Active**
0
MCLK/M
1
High-Z
Power-Down
Power-Down
X
0
1
0
MCLK
Active
1
High-Z
Power-Down
Power-Down
X
1
1
0
MCLK/M
Active
*This mode is for applications where OUT0 is not used, but CTRL0 is used as a device shutdown.
**Factory default setting.
***See standby (power-down) current specification for power-down current range.
EN0
(BIT)
SEL0
(BIT)
PDN0
(BIT)
Table 3. DEVICE MODE USING OUT1
PDN1
CTRL1
(BIT)
(PIN)
0
0
0
1
1
0
1
1
*Factory default setting.
CTRL1
FUNCTION
Output Enable
Power-Down
OUT1 (PIN)
OUT CLK
High-Z
OUT CLK
High-Z
DEVICE MODE
Active*
Active
Power-Down
NOTE:
Both CTRL0 and CTRL1 can be configured as power-downs. They are internally “OR” connected so
either of the control pins can be used to provide a power-down function for the whole device, subject to
appropriate settings of the PDN0 and PDN1 register bits (see Table 4).
Table 4. SHUTDOWN CONTROL WITH PDN0 AND PDN1
PDN0
(BIT)
0
0
1
1
PDN1
(BIT)
0
1
0
1
SHUTDOWN CONTROL
NONE
CTRL1
CTRL0
CTRL1 OR CTRL0
4 of 21
DALLAS [ DALLAS SEMICONDUCTOR ]
