SL2101 Zarlink Semiconductor Inc, SL2101 Datasheet - Page 16

• Manufacturer Part Number: SL2101
• Description: Synthesized Broadband Converter with Programmable Power
• Manufacturer: Zarlink Semiconductor Inc

* clocks need to be present on crystal and local oscillator to enable charge pump test modes and to toggle
status byte bit FL.
T2
0
0
0
0
1
1
1
1
Figure 25 - Application When Driving Two SL2101 from One Crystal
Figure 27 - Buffered Crystal Reference Output Select
T1
47pF
0
0
1
1
0
0
1
1
Note:The BUFREF output is only available on the SSOP package
RE
0
1
T0
0
1
0
1
0
1
0
1
Zarlink Semiconductor Inc.
Figure 26 - Test Modes
47pF
4MHz
10pF
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 = F
Charge pump disabled *
Status byte FL set to logic ‘1’
Port P0 = F
disabled, high impedance
enabled
820nH
SL2101
1
2
16
XTALCAP
SL2101
DOWNCONVE RTER
XTAL
BUFREF output
comp
comp
Test Mode Description
10k
2
1
XTALCAP
SL2101
UPCONVE RTER
XTAL
Data Sheet