SL1935D ETC, SL1935D Datasheet - Page 6

• Manufacturer Part Number: SL1935D
• Description: Single Chip Synthesized Zero IF Tuner
• Manufacturer: ETC

SL1935
6
Table 4. Test modes
Note: * Clocks need to be present on crystal and RF inputs to enable charge pump test modes and to
T2
0
0
0
0
1
1
1
1
toggle status byte bit FL.
T1
0
0
1
1
0
0
1
1
Table 6. Baseband path select
T0
0
1
0
1
0
1
0
1
BS
Table 5. Charge pump current
0
1
C1
0
0
1
1
Table 8. Local oscillator select
Table 7. Buffered crystal
reference output select
Test mode description
Normal operation
Charge pump sink* (status byte FL set to logic '0')
Charge pump source* (status byte FL set to logic '0')
Charge pump disabled* (status byte FL set to logic '1')
Normal operation and port P0 = Fpd/2
Charge pump sink* (status byte FL set to logic '0'. Port P0 = Fcomp)
Charge pump source* (status byte FL set to logic '0'. Port P0 = Fcomp)
Charge pump disabled* (status byte FL set to logic '1'. Port P0 = Fcomp)
Filter drive
output
OFIB
OFIA
RE
VS
0
1
0
1
I Channel
C0
0
1
0
1
Local oscillator selected
Disabled, high impedance
Baseband
amp input
BUFREF output
+-1087
IFIB
IFIA
+-116
+-247
+-517
Path Selected
min
Enabled
VCOV
VCOS
Current in µA
Filter drive
+-1450
+-155
+-330
+-690
output
OFQB
OFQA
typ
Q Channel
+-1812
+-194
+-412
+-862
Baseband
max
amp input
IFQB
IFQA