DYNAMIC MEMORY AND I/O MANAGEMENT IN A GPS RECEIVER
First Claim
1. A Global Positioning System (GPS) receiver, comprising:
- a Radio Frequency (RF) portion; and
a baseband portion, coupled to the RF portion, wherein the baseband portion comprises a memory and a memory controller, the memory comprising a plurality of blocks, wherein the blocks are dynamically allocated between an instruction memory block and a data memory block.
4 Assignments
0 Petitions
Accused Products
Abstract
Clock compensation for GPS receivers. A receiver in accordance with the present invention comprises a Radio Frequency (RF) portion, and a baseband portion, coupled to the RF portion, wherein the baseband portion comprises a crystal, an oscillator, coupled to the crystal, wherein the oscillator generates a clock signal based on a signal received from the crystal, a counter, coupled to the oscillator via the clock signal, a comparator, coupled to the counter, a controller, at least one logic gate, coupled to the comparator and the controller, and a combiner, coupled to the at least one logic gate, the controller, and the counter and producing an accurate clock signal therefrom.
-
Citations
16 Claims
-
1. A Global Positioning System (GPS) receiver, comprising:
-
a Radio Frequency (RF) portion; and a baseband portion, coupled to the RF portion, wherein the baseband portion comprises a memory and a memory controller, the memory comprising a plurality of blocks, wherein the blocks are dynamically allocated between an instruction memory block and a data memory block. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A dynamic memory, comprising:
-
a memory controller; and a memory, coupled to the controller, the memory comprising a plurality of blocks, wherein the memory controller dynamically allocates at least one of the plurality of blocks between an instruction memory block and a data memory block. - View Dependent Claims (7, 8, 9, 10, 11)
-
-
12. A Global Positioning System (GPS) receiver, comprising:
-
a Radio Frequency (RF) portion; and a baseband portion, coupled to the RF portion, the baseband portion comprising a programmable drive controller, wherein the programmable drive controller changes a drive current of a data signal within the baseband portion of the GPS receiver based on a condition of the GPS receiver. - View Dependent Claims (13, 14, 15, 16)
-
Specification