GPS-23 
     
P
 
 
 
 
 
 
 
 
 
 
 
2003~ 12 13q
 
  U 
 
 
 
v
    L
 
                                                         
 
           
 
 
 
 
1B~
 
 
2B@S
  ……………………………………………………………………………    3 
…………………………………………………………………………….    3 
1.1     
1.2    S  …………………………………………………………………………….    3 
……………………………………………………………………….    3 
1.3    NW 
  …….……………………………………………………………………..    5 
…………………………………………………………………….    5 
…………………………………………………………………………….    5 
2.1    l]w 
2.2     
 
                                                                                                                         
3Bw
  ……………………………………………………………………………    6 
3.1    sY  ………….……………………………………………………………….    6 
3.2    }wq  …………….………………………………………………………….    6 
3.3    q\  ……………….……………………………………………………….    8 
3.4    ww  ….…………………………………………………………………….    8 
…………………………………………………………………..    9 
3.5    Os
…………………………………………………………………………..  10 
3.6    o 
  ……………………………………………………………………………  11 
……………………………………………………………….  11 
……………………………………………………………….  14 
4.1    NMEAT 
4.2    RTCMT 
……………………………………………………………  15 
5.1    ayy  ……………………………………………………………………….  15 
5.2    X]w  ……………………………………………………………………….  15 
  …..……………………………………………………………………….  16 
  ……………………………………………………………………….  16 
  ………………….…………………………………………………………  16 
  …………..…………………………………………………………………….  16 
 
 
4Bn
 
 
5BayyX]w 
 
 
6BqfT
6.1    ~
6.2    t
 
 
7BO
 
 
 
 
2
                                                         
 
1B~ 
 
1.1  
 
GPS-23 PO]HU 
GPS-23^AO@PwCqso
C]27mA^PA\AM~wYnDPHOnCAdqT
BOtBas@BUdA~~CDuuAqMvC
 RS-232 eAPql]qAtXRqqAixsPpPTABW
mBCqqCABPl 12 wPTAC 0.1 @ACs@w
TC 
 
1.2 S 
 
     GPS-23 @tC\AzPAOPtXC 
 
1.  qsoRikaline G-1C]27mA^PAR3000AMIPS  @A32RISCBz
i]pUP{AsAFgMC 
twqnDUAPBl 12 POC 
2. 
3.  npAiUP]pDAC 
4.  BORqqAHOsTC 
5.  A@B~]wC 
6.  VqDitv (Baud Rate)AiHNOoPABuC 
7.  {O (FLASH) xs{AiCAst{C 
8.  oG  (LED) 
nT{ 
wAA{AwWq
GPS-23  O_wWqAO_wwC
AGOAwgwA
 
 
1.3 NW
 
1.3.1  ~[o 
 
oG  50.0 () x 32.0 (e) x 14.0 ()    (mm)C 
 
          1.97 () x 1.26 (e) x 0.55 () ^T (Inch)C 
    qG12 J
 
1.3.2  @W 
1)  @G -40
2)  xsG -55
 
1.3.3  qS 
1.3.3.1 q 
oC ~ 85oC ()C 
oC ~ +100oCC 
 
 
u@q 
u@qy 
q 
qy 
 
 
1.3.3.2 W 
GPS-23    5V    TTL 
GPS-23    3.3V    TTL 
+5VDC±5% 
27mA  ]@^ 
+2.5V to 3.3V 
2-3µA]@^  
766p] 32^ 
3.3VDC±10% 
27mA  ]@^ 
+2.5V to 3.3V 
2-3µA]@^  
766p] 32^ 
1)  WvG      L1A1,575.42MHz 
2)  C/A XG    1.023MHz Chip Rate 
 
 
A
3
                                                         
 
3)  WDG  12 
 
1.3.3.3 y 
       WGS84 
 
1.3.4 \ 
1.3.4.1 O 
1) iPl 12 PC 
2) wsGC@C 
3) w]^G 
   }G  15 C 
   x}G  45 C 
   N}G 120 C 
 
1.3.4.2 w 
    1) [t 
m       5-25 g~t]CEP^ 
t        0.1 / 
        1   L]P^ 
 
1.3.4.3 AW 
       G  18,000 ]60,000 `^ 
       tG         515 /]1,000 knots^ 
   [tG         4 G ]GaO^ 
   G          20 /
3 
 
   
 
1.3.4.4 C]1PPS^ 
       GTTL 
       G100@]100ms^ 
       IGI 
       GPA 1L]gs^ 
 
1.3.5  
1.3.5.1  
       V RS-232 eATTL
 
1.3.5.2 XX 
       NMEA0183 2.2 X-- GGA, GLL, GSA, GSV, RMC,  VTG 
 
1.3.5.3 tX 
       X X mBtBBAXC 
 
 
 
 
Aitv]4800-Xt]wB9600B19200B38400^ 
 
 
4
                                                         
 
2B@S 
 
2.1 l]w 
     }AAGPS-23 HY}lPTA{iC`pUAw
 90 CpGOmAhu 45 CwAmBtB
YXXC 
 
     GPS-23 QxslApWxsmBBPyDAHF
GCpGxslTAPyDwQMAhn~wCt~A
MP\AiHMwjMPAHtwAnB\CUCpX{AGPS-23
|N}G 
 
1) WL 1,500 C]wmWL 
2) RqqlaAHPSxssPC 
 
 
2.2  
     GPS-23 wAKgXDA}leCopUG 
 
1)  g/n/ 
2) 
3) 
4)  p~t 
5)  PAA 
t 
/ 
1,500 AL{]GPS-23^C 
          GPS-23 XtA RTCM SC-104 
AT1B5  
9A]wuMYtT
vAHPTAt]DGPS^CYNt]wubt]DGPS^T
u@AhubtTA~|eXmTC 
 
 
 
5
                                                         
 
3Bw
 
YB Z 2 ]2mm^ 
 
MCX 
  qsGSMAK 
 
3.1 sY 
3.1.1 uY 
            G
    
 
3.1.2 Y 
    
 20-}
 
3.2 W 
3.2.1  qOo
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3.2.2  Y  
 
Antenna 
Connector 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
J1
2        1 
20 
18 
16 
14 
12 
10 
8 
6 
4 
2 
19 
18 
15 
13 
11 
9 
7 
5 
3 
1 
 
6
                                                         
 
(CN1) 
W 
NC 
VCC 
V—B-UP 
VCC 
RESET 
GPIOA 
GPIOB 
GPIOC 
GPIOD 
GND 
TXA 
RXA 
GND 
TXB 
RXB 
GND 
GPIOE/GND 
GND 
TIMEMARK 
ALT/GPIOF 
         
 
L\ 
+3.3 V 9V  yqJ 
qq  +3.0 V 3.6VyqJ 
+3.3 V 9V  yqJ 
mJCC -------  
X/J\ (Bz GPIO0) 
X/J\ (Bz GPIO1) 
X/J\ (Bz GPIO2) 
X/J\ (Bz GPIO3) 
a 
CX A 
CJ A 
a 
CX B 
CJ B 
a 
X/J\ (Bz GPIO4)AYaB
zGPIO4wqJ 
a 
CX 
wdX (Bz GPIO5) 
 
VCC^ 
800^A4,800A9,600A38,4002115,200C 
RXA, RXB, TXA and TXB^ 
Ai]pHnPqC]RS-232^sA 
RXA^ 
RXB^ 
TXA^ 
TXB^ 
3.3 }wq 
 1-1
  20-}wq 
 
}s
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
 
3.2.1 +5 V  yqJ]
      DqJ}C3.3X9.0VDCC 
 
3.2.2 tBaud Rate 
      V TTL Ait]Xt4,
 
3.2.3 a] GND^ 
      Oa\Aa}aC 
 
3.2.4 CJX]
      OUtvVC
 TTL  RS-232 C 
 
3.2.5 CJ]
      DJ}AOUnAJC 
 
3.2.6 UCJ]
      UJ}AJCt]DGPS^JC 
 
3.2.8 CX]
      DX}AXpA GPS snC 
 
3.2.9 CX]
      XnC 
 
 
7
                                                         
 
 
 
PBRES^ 
3.2.10 mJ]
      CqimAs GPS \C}\}AY}AC 
 
Time mark^ 
3.2.11 ]
      }C@APBiHb1L]1gs^CX TTL iTC 
 
3.2.12 q]
      DqqA} SRAM  RTC `B@qOC@qq 10 Lw]gA^C
Ys~qAhCA}N}CYnDtwAh[WiRqq
~qC 
BAT^ 
 1-3
  qqd 
O 
GPS-20 
qU
2.5 
qW
3.3 
 
 3.3V 2.3 @w]2.3mAh^GYqAiHtB@ZCq`qi 3-5 ~Cq
qiWL 3.3VC 
 
3.2.13 XJ\]
GPIO Functions^ 
tOdhXJ\}AUAsGPIOAXGPIOI@ 8 C 
 
3.2.14 ]
JTAG Functions^ 
JTAG {oiCHBJpU\C 
 
3.3 q\]
TricklePowerTM 
  ^ 
GPS-20 ]SiRF^qq\]
q]w^Cq\HUCTG 
3.3.1 Pwq]
Tracking State^ 
qAOH`qqAjMPTAwC 
3.3.2 Bzq]
CPU State^
 
qAGRF2i QA GSP2e BzCL GSP2e iHNqqC
Bz] CPU^  ECLK  ~BpXmANXhC 
3.3.3 qq]
Trickle State^
 
qABz]CPU^HCqARAA RTC bB@C@qA
RTC @ NMI TAs ARM-7 LBzAO^_ 3.3.1 PwqC 
TricklePower^OCiHCtq
]M RTC bB^
A
q]wqqp 1-4 Cpw]
svC@AO
q 165mW ]Y 60mAB3.3V^C 
TricklePowerTM
    ^ u@g] 20%A
1-4
 q]
TricklePowerTM
   ^qq 
  
 
Pw 
Bz 
q 
 
@]Msec^
220 
360 
420 
 
+5V 
qq (mA)
170 
33 
0.55 
 
+3.3V 
qq (mA)
160 
29 
0.55 
 1-4 ]tDuqqC 
8
 
 
G