sky73112-11 Skyworks Solutions, Inc., sky73112-11 Datasheet - Page 6

• Manufacturer Part Number: sky73112-11
• Description: Sky73112-11 750-850 Mhz High Performance Vco/synthesizer With Integrated Switch
• Manufacturer: Skyworks Solutions, Inc.

DATA SHEET • SKY73112-11 VCO/SYNTHESIZER
Table 4. Load Register Word 0 (Programs the Operation Mode Register) (2 of 2)
Table 5. Load Register Word 1 (Programs the Auto Calibration Control Register)
Table 6. Load Register Word 2 (Programs the Frequency Control 1 Register) (1 of 2)
6
test_mux
rsvd
pre_curr_sel
prescale_sel
rsvd
wd_0, wd_1
dpll_ctrl
dpll_en
rsvd
wd_0, wd_1
rdiv
rsvd
Parameter
Parameter
Parameter
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
November 30, 2009 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200736B
Lock detect and diagnostic output select
[17:15]
Reserved [20:18]
Prescaler current bias [22:21]
Prescaler mode select [23]
Reserved [25:24]
Address bits [1:0]. Must be set to 01b (see
Table 3)
DPLL control [19:2]
Digital PLL enable flag [20]
Reserved [25:21]
Address bits [1:0]. Must be set to 10b (see
Table 3)
Reference divider ratio [3:2]
Reserved [5:4]
Function
Function
Function
Bits [17:15]:
0 0 0 = Lock detect output
0 0 1 = R-divider output
0 1 0 = N-divider output
0 1 1 = Not used
1 0 0 = Not used
1 0 1 = Not used
1 1 0 = Not used
1 1 1 = DPLL test
Reserved
Bits [22:21]:
0 0 = 20 A
0 1 = 22 A
1 0 = 24 A
1 1 = 26 A
Bit [23]:
0 = Prescaler in 8/9 divide mode
1 = Prescaler in 16/17 divide mode
Reserved
Refer to Table 8
0 = Disable DPLL
1 = Enable DPLL
Reserved
Bits [3:2]:
0 0 = 8
0 1 = 4
1 0 = 2
1 1 = 1
Reserved
State Description
State Description
State Description
Operational Value
Operational Value
Operational Value
Refer to Figure 5
Recommended
Recommended
Recommended
Application
Application
dependent
dependent
(Binary)
(Binary)
(Binary)
00000
000
000
00
00
01
10
–
–