pt9250 48-channel single chip gps receiver tel: 886-66296288 ? fax: 886-29174598 ? http://www.princeton.com.tw ? 2f, 233-1, baociao road, si ndian, taipei 23145, taiwan description the pt9250 is an advanced single chip gps receiver to integrate baseband, rf and flash memory into the 7mm x 10mm package making for an extremely compact design. this advanced solution offers best-in-class acquisition & tracking sensitivity, ttff and accuracy. the pt9250 architecture uses an fft and matched filter that delivers performance equivalent to more than 75,000 correlators. this represents a quantum leap forward in gps performance. the pt9250?s architecture enables unmatched ttff at low signal levels. the pt9250 includes a powerful gps dsp integrated with a 32-bit risc microprocessor, 1mb of sram and 4 mb flash memories. the pt9250 also integrates a built-in low power rtc circuit for low power operation and battery backup ram for satellite information. ptc supports full reference design, demonstration system, software evaluation tools and other supporting documentation. applications ? gps receivers ? vehicle navigator ? cellular phone ? pda ? pmp features ? reception frequency : 1575.42 mhz ( l1 band, ca code) ? reference clock (tcxo) frequency : 16.368 mhz or 16.369 mhz ? best-in-class acquisition and tracking sensitivity, ttff and accuracy 1 . - tracking sensitivity -159 dbm - acquisition sensitivity -142 dbm - cold start 33 sec, warm start 32 sec and hot start 1 sec - 5m position accuracy for autonomous 2 ? soc to integrate major rf receiver, digital baseband and flash memory ? 48 channel acquisition and tracking engine ? 32 bits risc cpu (mips) ? internal low power real time clock ? battery back-up sram ? 2-channel uart communication port ? spi host interface ? 2 external interrupts ? watch dog timer support ? 16 gpios ? 1 pps output ? support nmea-0183(v3.01) ? 140 balls lfbga ? temperature range -40 0 c/+85 0 c notes : 1. under open sky environment, -130 dbm signal level on ptc evaluation platform. 2. under 24hr, 50% possibility and -130 dbm signal level. block diagram
pt9250 v1.3 2 september, 2009 application circuits 3v3 u6 32k768 r5 10m c24 10pf c25 10pf dvdd vdd 4 in 1 out 3 gnd 2 u5 tcxo c8 100pf dvdd c10 1uf c11 56pf c12 390pf r3 22k dvdd c23 1nf l4 1.5uh l5 1.5uh c22 36pf c21 36pf c20 1uf avdd c18 1.5pf l2 6.8nh l3 4.7nh c19 1nf c1 1uf 3v3 c3 1uf 1v2 c6 1uf c7 1uf r2 150r avdd dvdd 1v2 vss_io f4 mode0 l2 mode1 l3 ice_clk k2 ice_tms k3 ice_tdo k4 ice_tdi k5 ice_rst k6 plltko h1 avdd_pll j1 avss_pll j2 vdd_k d4 vss_k f5 afe_clk k7 afe_mag k8 afe_sgn k9 vss_io h5 gpio15 j7 sys_rst_n h6 vdd_io f6 cfg3 j8 gpio12 k10 gpio13 l10 gpio14 m10 e_a0 g9 e_cs_n g8 vss_io j4 vss_f d9 e_oe_n h10 e_d0 f8 e_d8 f9 e_d1 g10 e_d9 e8 e_d2 g6 e_d10 e9 e_d3 f10 e_d11 e7 vdd_f e10 vdd_io h7 vdd_k e4 vss_k j6 e_d4 d10 e_d12 d8 e_d5 c9 e_d13 c10 e_d6 c8 e_d14 b8 e_d7 b9 e_d15 b10 vss_io j5 vss_f f7 e_byte a9 e_a16 a10 vdd_io e5 gpio0 c7 gpio1 b7 gpio2 a8 gpio3 d6 gpio4 a7 gpio5 c6 gpio6 b6 gpio7 d7 vdd_io e6 vss_io d5 vss_k j9 gpio8 c5 vdd_k h8 gpio9 b5 gpio10 c4 gpio11 b4 rtc_vdd a3 rtc_xi a4 rtc_xo a5 rtc_vss a6 reg_vss b2 reg_en a2 reg_vdd b1 reg_1v2 c1 vdec c2 e_a15 a1 e_a14 b3 e_a13 c3 e_a12 d1 e_a11 d2 e_a10 d3 vdd_io g7 vss_io j3 e_a9 e1 e_a8 e2 vss_k j10 vdd_k h9 e_wr_n e3 e_rp f1 e_ryby f2 e_a17 g1 e_a7 g4 e_a6 f3 e_a5 g2 e_a4 g3 e_a3 h4 e_a2 h3 e_a1 h2 vdd_io g5 sgn l9 mag l8 aok m7 cp l7 dvss l5 rf_gnd l6 dvdd m6 rf_gnd m4 rfxen l4 rf_gnd m5 rfxo k1 rfxi l1 vb m3 rfp ll m2 aon m1 rf_gnd n4 lni p2 rf_gnd n5 isns n2 pvdd n1 lno p4 avdd p3 rf_gnd n6 rfi n p5 vbg p6 if1p p7 if1n p8 rf_gnd n3 if2p p9 if2n n10 rf_mode n7 agccap m8 p1 n9 p0 m9 nc p1 nc p10 nc n8 u1 pt9250 rxa txa p1pps reset 3v3 3v3 vrtc 3v3 reset xi xo rfxo vb rfp ll lni lno rfi n vbg if1p if1n if2p if2n agccap 3v3 r6 33k c26 1uf 3v3 c27 10uf sgn mag cp c10 56pf c14 10nf 3v3 c9 1uf r4 33r pt9250 application circuit ant rxa txa p1pps ant r1 33r c17 1.5pf led c2 100nf c4 100nf vrtc c5 100nf vbat vin 1 vout 2 vss 3 u2 xc6215p122h l1 4.7nh c13 100nf 3v3 3v3 gnd led vbat vcc 4 in 1 out 3 gnd 2 u3 ta4020ft c16 27pf in 1 gnd 2 gnd 3 out 4 gnd 5 u4 sawtek856561 c15 100pf jtck jtms jtdo jtdi jrst 1v2 1v2 if there is no ice application, tie k2, k3, k5 and k6 to gnd and let k4 open c24, c25 need to be adjusted accor ding to xtal and layout turning for 32.768khz frequency is required route this wire thiner and make i t have some noi se r educti on for match 50 ohm of antenna input i mpedance, try to adjust l1 and c10 rj3 1k rj5 1k rj2 1k rj1 1k rj4 1k rj6 300r 3v3 rj1,rj2,rj3,rj4,rj5,rj6 are just for ice application
pt9250 v1.3 3 september, 2009 order information valid part number package type top code pt9250 10mmx7mm lfbga pt9250 ball configuration a1 b1 e_a15 a2 a3 a4 a5 a6 a7 a8 a9 a10 c1 d1 e1 f1 g1 h1 j1 k1 l1 m1 n1 p1 b2 c2 d2 e2 f2 g2 h2 j2 k2 l2 m2 n2 p2 b3 c3 d3 e3 f3 g3 h3 j3 k3 l3 m3 n3 p3 b4 c4 d4 e4 f4 g4 h4 j4 k4 l4 m4 n4 p4 b5 c5 d5 e5 f5 g5 h5 j5 k5 l5 m5 n5 p5 b6 c6 d6 e6 f6 g6 h6 j6 k6 l6 m6 n6 p6 b7 c7 d7 e7 f7 g7 h7 j7 k7 l7 m7 n7 p7 b8 c8 d8 e8 f8 g8 h8 j8 k8 l8 m8 n8 p8 b9 c9 d9 e9 f9 g9 h9 j9 k9 l9 m9 n9 p9 b10 c10 d10 e10 f10 g10 h10 j10 k10 l10 m10 n10 p10 reg_en rtc_vdd rtc_xi rtc_xo rtc_vss gpio4 gpio2 e_a16 reg_vdd reg_vss e_a14 gpio11 gpio9 gpio6 gpio1 e_d14 e_d7 e_d15 reg_1v2 vdec e_a13 gpio10 gpio 8 gpio5 gpio0 e_d6 e_d5 e_d13 e_a12 e_a11 e_a10 vdd_k vss_io gpio3 gpio7 e_d12 e_d4 e_a9 e_a8 e_wr_n vdd_k vdd_io vdd_io e_d11 e_d9 e_d10 e_a6 vss_io vss_k vdd_io e_d0 e_d8 e_d3 e_a17 e_a5 e_a4 e_a7 vdd_io e_d2 vdd_io e_cs_n e_a0 e_d1 plltko e_a1 e_a2 e_a3 gnd_io sys_ rst_n vdd_io vdd_k vdd_k e_oe_n avdd_pll avss_pll vss_io vss_io vss_io vss_k gpio15 cfg3 vss_k vss_k ice_clk ice_tms ice_tdo ice_tdi ice_rst_nafe_clk afe_mag afe_sgn gpio12 mode0 mode1 gpio13 gpio14 rfxo rfxi aon pvdd nc rfxen dvss rf_gnd cp mag sgn rfpll vb rf_gnd rf_gnd dvdd aok agccap p0 isns rfgnd rf_gnd rf_gnd rf_gnd rf_mode nc p1 if2n lni avdd lno rfin vbg if1p if1n if2p nc e_byte vss_f vdd_f vss_f e_rp e_ryby
pt9250 v1.3 4 september, 2009 important notice princeton technology corporation (ptc ) reserves the right to make co rrections, modifications, enhancements, improvements, and other changes to its products and to discontinue any product without notice at any time. ptc cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a ptc product. no circuit patent licenses are implied. princeton technology corp. 2f, 233-1, baociao road, sindian, taipei 23145, taiwan tel: 886-2-66296288 fax: 886-2-29174598 http://www.princeton.com.tw
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