S1T8528X0 SAMSUNG [Samsung semiconductor], S1T8528X0 Datasheet - Page 19

• Manufacturer Part Number: S1T8528X0
• Description: ENHANCED-1 CHIP CT0 RF IC
• Manufacturer: SAMSUNG [Samsung semiconductor]

ENHANCED-1 CHIP CT0 RF IC
***** PMC ( Program Mode Control )
— Rx-Low Battery Detect Voltage
***** PMC ( Program Mode Control )
•
— 16 bit data format
Function
Default
Name
Example 1 >
Low battery detector voltage : 2.1V
U.S.A _CH-#1 ( REMOTE ) ---> 1st local osc. varicap. value =15.86pF,
Value
PMC = ‘HIGH’ & EN = ‘HIGH’ ---> Auxiliary Register Program Mode
( Ext_L = 0.45uH, EXT_C = 30pF )
Bit
PMC = ‘HIGH’ & EN = ‘HIGH’ ---> Auxiliary Register Program Mode
DATA
CLK
EN
Bit15 (MSB)
PMC
*****
MSB
1
1
0
1
PMC
1
1
CLO5 CLO4 CLO3 CLO2 CLO1 CLO0
0
1
LBD3
Bit 4
0
1
1
0
1
1
0
1
LBD2
Bit 3
0
0
1
1
1
Figure 5.
0
1( 0 ) 1( 0 ) 1( 0 )
LBD1
Bit 2
0
1
0
1
1
1( 0 )
Low Battery Detector
Internal cap. = 9.3pF
LBD3 LBD2 LBD1
1
Voltage
3.45V
3.3V
3.0V
2.2V
2.1V
1
1
1( 0 ) 1( 0 )
LSB
Remark
Default
S1T8528
19