Datasheet

DS1085
4 of 21
Table 2. DEVICE MODE USING OUT0
EN0
(BIT)
SEL0
(BIT)
PDN0
(BIT)
CTRL0
(PIN)
OUT0
(PIN)
CTRL0
FUNCTION
DEVICE
MODE
1 High-Z Power-Down***
0 0 0
0 High-Z
Power-Down*
Active
1 MCLK/M
0 1 0
0 MCLK
Mux Select
Active
1 High-Z
1 0 0
0 MCLK
Output Enable
Active
1 High-Z
1 1 0
0 MCLK/M
Output Enable
Active**
1 High-Z Power-Down
X 0 1
0 MCLK
Power-Down
Active
1 High-Z Power-Down
X 1 1
0 MCLK/M
Power-Down
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.
Table 3. DEVICE MODE USING OUT1
PDN1
(BIT)
CTRL1
(PIN)
CTRL1
FUNCTION
OUT1 (PIN) DEVICE MODE
0 0 OUT CLK
0 1
Output Enable
High-Z
Active*
1 0 OUT CLK Active
1 1
Power-Down
High-Z Power-Down
*Factory default setting.
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)
PDN1
(BIT)
SHUTDOWN CONTROL
0 0 NONE
0 1 CTRL1
1 0 CTRL0
1 1 CTRL1 OR CTRL0