cx74063-26 Skyworks Solutions, Inc., cx74063-26 Datasheet - Page 37

• Manufacturer Part Number: cx74063-26
• Description: Transceiver Multi-band Gprs, Edge Applications With Power Ramping Controller Integrated Crystal Oscillator With Output
• Manufacturer: Skyworks Solutions, Inc.

103052A
ADDR
I_VCXO
RSVD
Note:
Symbol
Programmed values in this register are not maintained with VDDBB (pin 43).
Address bits [6:0]. Must be set to 1101101b (see Table 12)
Bit [10:7] negative resistance current control. Binary
weighted.
Negative logic (on = low, off = high)
Bit [10] = LSB = 8 µA
Bit [7] = MSB = 64 µA
Stepped values = 64 µA, 32 µA, 16 µA, 8 µA
Bit [23:11] reserved. Must be set to default value.
[781] 376-3000 I FAX [781] 376-3100 I [e-mail] I WWW.SKYWORKSINC.COM
CLOCK
DATA
LE
Skyworks Solutions, Inc., Proprietary and Confidential
Figure 9. Serial Data Input Timing Diagram For Transceiver
Function Description
t
CS
t
CWH
Table 21. R7 VCXO Control Register
S23
S22
t
CWL
S1
t
ES
Internal Power-
0000000000000
On Value
(Binary)
S0
0101
t
CH
t
EW
C898
Operational Value
Recommended
0000000001110
Data Sheet I CX74063-26
(Must Use)
(Binary)
1001
MAY 16, 2003
37