Summary of HPM103H-6
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Confidential 1 페이지 2005-06-08 gps engine module hpm103h-6 gps receiver rev 1.10 hpm103h-6.
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Confidential 2 페이지 2005-06-08 contents 1. System description ............................................................................... 3 1.1 general description........................................................................ 3 1.2 physical specification....................................
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Confidential 3 페이지 2005-06-08 1. System description 1.1 general description a complete gps receiver is implemented on the hpm103h-6 module. The module includes the following features: z 25.4x25.4mm form factor z input for active gps antenna bias supply z 16.3676mhz tcxo z gps radio based on un8021 r...
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Confidential 4 페이지 2005-06-08 1.3 technical specification z receiver: l1, c/a code z channels: 12 z update rate: 1 hz or user configurable z agc range: 0…+32db external gain z power supply: 2.7 ~ 3.3v, regulated power z recommended supply: 3.0 v z ttff: hot start: 8.6 sec typ warm start: 38 sec typ ...
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Confidential 5 페이지 2005-06-08 2. Mechanical specification pictures 2.1 pictures figure 2 hpm103h-6 modules w/ shield figure 3 hpm103h-6 , top view w/o shield hpm103h-6.
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Confidential 6 페이지 2005-06-08 2.2 hpm103h-6 pin configurations figure 4 pin configuration hpm103h-6.
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Confidential 7 페이지 2005-06-08 3. External interfaces 3.1 system connector z rf input a z gpio[0..15] gpio-lines i/o z uart ports port0 and port1 uart ports i/o z xreset external reset (active low) i z supply voltage s z v_antenna external antenna bias s hpm103h-6.
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Confidential 8 페이지 2005-06-08 table 1 system connector hpm103h-6 pin i/o note 1 vcc input supply voltage 2 gnd input power and signal ground 3 gpio15 input boot mode select (2) 4 rxd0 input uart port 0, receive data (3) 5 txd0 output uart port 0, transmit data 6 txd1 output uart port 1, transmit dat...
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Confidential 9 페이지 2005-06-08 36 gpio9 i/o rtc chip control (sda) 37 gpio8 i/o rtc chip control (scl) 38 gpio11 i/o wake-up (1) notes: (1): the base-band processor un8031 includes a keeper so that no external pull down or pull up resistor is needed. Vih min = 0.7 x vbb, vil max = 0.3 x vbb. When the...
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Confidential 10 페이지 2005-06-08 3.2 reset note hpm103h-6 requires an external power-on-reset (por) circuit which provides a reset pulse at xreset-pin after the supply voltages are connected. The reset pulse should be active (low state) at least 100ms after power-up. 3.3 uart interface two asynchronou...
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Confidential 11 페이지 2005-06-08 3.4 gpio interface a 16-bit gpio port is available for external interfaces. Each of the gpio-lines can be programmed for generating interrupts. Two of the gpio-lines (gpio14 and gpio15) are reserved for boot mode select as described below. And gpio8 and gpio9 are reser...
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Confidential 12 페이지 2005-06-08 3.5 rf-interface an external gps antenna (active or passive) can be connected to the hpm103h-6 using the rf-input line. A 50 ohm pcb stripline is needed on the motherboard, see figure below for example layout. Figure 8 example of rf interface layout on customer pcb the...
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Confidential 13 페이지 2005-06-08 the antenna bias for an external active antenna can be provided through the v_antenna input found on system connector. The v_antenna voltage should be chosen according to the antenna to be used. Note maximum supply current for v_antenna should be externally limited to ...
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Confidential 14 페이지 2005-06-08 z due to the high external gain strong out-of-band signals may block the front-end. Blocking level is about –2 dbm at the rf input @ s/n degradation 3 db. The receiver has a zero-if topology. If two receivers are connected to the same antenna, the local oscillator leak...
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Confidential 15 페이지 2005-06-08 4. Application notes for hpm103h-6 4.1 external interfaces this section describes a recommended interface for the hpm103h-6 receiver. The minimum set of external interfaces is: z power supply z rf input z external reset additionally there are some useful interfaces: z ...
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Confidential 16 페이지 2005-06-08 in case a patch antenna element is used the user must take into account a few factors that affect antenna performance: z size of patch element: smaller elements tend to give lower signal levels due to reduced radiation efficiency. Z size of gnd plane under the patch el...
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Confidential 17 페이지 2005-06-08 4.3 application circuit hpm103h-6.