PS20060 Datasheet, PDF (16/39 Pages) List of Unclassifed Manufacturers – MOPLL with IF AGC Amplifier Preliminary Information

PS20060
Data Sheet
2.5 Control Register - Byte 5
Table 10 - Byte 5 Control
Bit Field
7:6
5:4
3:0
Name
BS[1:0]
SL[1:0]
P[3:0]
Default
11
01
0
Description
Band Switching
Power-up modes
General Purpose Output ports
The band switching is controlled as shown below:
Table 11 - Band Selection
BS1
BS0
Band Selected
0
0
LO Band
0
1
MID Band
1
0
HI band
1
1
All off
Default state on power up = 11
The various power-up modes are shown below. The IF AGC amplifier is controlled separately by IFE bit (see table
14). The I²C interface and crystal oscillator circuit is active in all modes.
Table 12 - Internal Circuit Block Control
SL1 SL0
0
X
1
0
1
1
Power Mode
Sleep
PLL and
VCO enabled
Full
I²C interface
and registers
Enabled
Enabled
Enabled
Section Status
Crystal
oscillator
PLL & VCO
Enabled
Disabled
Enabled
Enabled
Enabled
Enabled
Converter and IF
stages
Disabled
Disabled
Enabled
The PS20060 has four output ports. Ports GPP[3:1] have an internal 10 kohm pull up resistor to Vcc. GPP0 is open
collector.
Table 13 - GPPO Output Port Control
Function
GPP0 output Enable
GPP1 output Enable
GPP2 output Enable
GPP3 output Enable
Bit
0
P0
Off (High Impedance)
P1
Off
P2
Off
P3
Off
1
On (Current Sink)
On (Current Sink)
On (Current Sink)
On (Current Sink)
Data Sheet 291359 issue 1
16
Plessey Semiconductors Ltd.
Design & Technology Centre, Delta 500, Delta Business Park, Great Western Way, Swindon, UK SN5 7XE
Tel: [phone]
Fax: [phone]
Web: www.plesseysemi.com