GSD4e_WLCSP_DataShee

johnwang9

GSD4e_WLCSP_DataSheet 用途最广泛的芯片介绍
【文件名】:13114@52RD_GSD4e_WLCSP_DataSheet.pdf
【格　式】:pdf
【大　小】:1075K
【简　介】:The GSD4e is a complete navigation
processor built on a low-power RF CMOS single-die,
incorporating the baseband, integrated navigation
solution, software, ARM7 processor, and RF functions
that form a complete internal ROM-based standalone
or Aided-GPS engine.
【目　录】:
Contents
1 Device Details ................................................................................................................................................. 7
2 Functional Block Diagram .............................................................................................................................. 8
3 On-chip Domains ............................................................................................................................................ 9
4 Package Information ..................................................................................................................................... 10
4.1 Pinout Diagram .................................................................................................................................... 10
4.2 Device Terminal Functions .................................................................................................................. 11
4.3 Package Dimensions ........................................................................................................................... 17
4.4 PCB Design and Assembly Considerations ........................................................................................ 18
4.5 Typical Solder Reflow Profile ............................................................................................................... 18
5 GPS RF Subsystem ...................................................................................................................................... 19
5.1 LNA ...................................................................................................................................................... 19
5.2 RFA and Mixer ..................................................................................................................................... 19
5.3 IF Amplifier, AGC and Filter ................................................................................................................. 19
5.4 ADC ..................................................................................................................................................... 20
5.5 RF SPI ................................................................................................................................................. 20
6 Clock Generation .......................................................................................................................................... 21
6.1 Real Time Clock (RTC) and Watchdog (WD) ...................................................................................... 21
6.1.1 RTC Oscillator ........................................................................................................................ 21
6.1.2 RTC Monitor ........................................................................................................................... 21
6.1.3 RTC Time Keeping ................................................................................................................. 21
6.1.4 Watchdog (WD) ...................................................................................................................... 21
6.2 DLL ...................................................................................................................................................... 21
6.3 TCXO and Crystal Oscillator (XO) Interface ........................................................................................ 21
7 GPS Signal Processing ................................................................................................................................ 23
7.1 GPS DSP Core .................................................................................................................................... 23
7.2 Timer Module ....................................................................................................................................... 23
8 ARM7TDMI Microprocessor Subsystem (ARM) ........................................................................................... 24
8.1 Interrupt Controller ............................................................................................................................... 24
8.1.1 External Interrupts GPIO4_EIT and GPIO8_EIT2 .................................................................. 24
8.2 VCTCXO Aiding Interface .................................................................................................................... 25
9 E-fuse Array .................................................................................................................................................. 27
10 Memory ......................................................................................................................................................... 28
10.1 Cache RAM and Patch RAM ............................................................................................................... 28
10.2 Data RAM ............................................................................................................................................ 28
10.3 BBRAM ................................................................................................................................................ 28
10.4 Boot and Code ROM ........................................................................................................................... 28
11 Host Ports ..................................................................................................................................................... 30
11.1 UART ................................................................................................................................................... 30
11.2 Slave SPI ............................................................................................................................................. 31
11.3 I²C Interface ......................................................................................................................................... 32
12 Master Mode I²C Interface ............................................................................................................................ 33
12.1 Dead Reckoning (DR) I²C Interface ..................................................................................................... 33
12.2 Data Storage Support .......................................................................................................................... 33
13 GPIO Control ................................................................................................................................................ 34
13.1 GPIO Pin Overlays .............................................................................................................................. 34
14 Power Control and Regulation ...................................................................................................................... 36
14.1 Power Domain Controls ....................................................................................................................... 36
14.1.1 KA Domain ............................................................................................................................. 36【求赏钱】
【数　额】:0.5

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