¡ Semiconductor
MSM7584C
(20) CR21 (General I/O)
B7
B6
B5
B4
B3
B2
B1
B0
CR21
—
—
—
—
—
—
RO1
RO0
Initial Value
0
0
0
0
0
0
0
0
B7 - B2: ......Not used
B1 - B0: ......Data written in B1 and B0 is output to the RO1 and RO0 pins.
(21) CR22 (Control of Switches)
CR22
Initial Value
B7
SW1
CONT
0
B6
SW2
CONT
0
B5
SW3
CONT
0
B4
SW4/5
CONT
0
B3
AOUT
PDN
0
B2
AOUT3
CONT
0
B1
AOUT2
CONT
0
B7, B6: .................... SW1, SW2 control 0: Open 1: Closed
B5: ........................... SW3 control
0: Open 1: Closed
B4: ........................... SW4/5 control
0: SW4 open, SW5 closed
1: SW4 closed, SW5 open
B3: ........................... Sounder amplifier power down control
0: Power ON
1: Power down
B2, B1, B0: .............. TOUT3 - 1 control
0: TOUT3 - 1 disabled
1: TOUT3 - 1 enabled
B0
AOUT1
CONT
0
Note: Set the unused bits of CR0 - CR22 to "0".
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