STA5620 STMicroelectronics, STA5620 Datasheet - Page 19

• Manufacturer Part Number: STA5620
• Description: IC RF FRONT END RECEIVER 32VFQFP
• Manufacturer: STMicroelectronics

Specifications of STA5620

• Modulation Or Protocol: GPS
• Current - Receiving: 19mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.5 V ~ 3.3 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VFQFN
• Pin Count: 32
• Screening Level: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Frequency: -
• Applications: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant

STA5620
7.6
Table 11.
Register
address
0x51
Reserved
Debug register (sub-circuit enables)
Debug register (sub-circuit enables)
Name
ENM
VCO
AGC
RFA
PLL
MIX
IF
XXXX XX y X [1]
XXXX X y XX [2]
XX y X XXXX [5]
XXXX XXX y [0]
XXXX y XXX [3]
XXX y XXXX [4]
X y XXXXXX [6]
y XXX XXXX [7]
Bit
Default value
MODE = 0
1
1
1
1
1
1
1
1
Default value
MODE = 1
1
1
1
1
1
1
1
1
VCO = 0
The VCO block is OFF
VCO = 1
The VCO block is ON
PLL = 0
The PLL block is OFF
PLL = 1
The PLL block is ON
RFA = 0
The RF Amplifier is OFF
RFA = 1
The RF Amplifier is ON
MIX = 0
The Mixer is OFF
MIX = 1
The Mixer is ON
IF = 0
The IF chain from Polyphase filter
to ADC is OFF
IF = 1
The IF chain from Polyphase filter
to ADC is ON
AGC = 0
The Automatic Gain Control is
OFF
AGC = 1
The Automatic Gain Control is
ON
Reserved bits
ENM = 0
The whole chip is OFF except the
Xtal Osc and the GPS_CLK
and/or XTAL_CLK buffers
ENM = 1
RF chain is On
(If RFE bit or RF_EN pin = 1)
Description
Registers
19/29