Hemisphere GPS Crescent Vector H220 - Page 17

H220 Integrator Guide Chapter 2
–
Board Overview
Page 13 of 28
Table 2-2: H220 34-Header Pin-Out
Pin Name Type Description
1 3.3 V Power Receiver power supply, 3.3 V
2 3.3 V Power Receiver power supply, 3.3 V
3 Antenna Pwr Power Antenna power, DC, 5 V max
4 Batt Backup Power Backup power input (1.6 - 3.6 VDC, <5 µA consumption)
5 USB DEV+ I/O USB device data +
6 USB DEV– I/O USB device data -
7 GND Power Receiver ground
8 GND Power Receiver ground
9 PATX Output Port A serial output, 3.3 V CMOS, idle high
10 PARX Input Port A serial input, 3.3 V CMOS, idle high
11 PBTX Output Port B serial output, 3.3 V CMOS, idle high
12 PBRX Input Port B serial input, 3.3 V CMOS, idle high
13 PDTX Output Port D serial output, 3.3 V CMOS, idle high
14 PDRX Input Port D serial input, 3.3 V CMOS, idle high
15 1 PPS Output 1 PPS, 3.3 V CMOS, active high, rising edge
16 Manual mark Input 3.3 V CMOS, active low, falling edge
17 Master (primary) GPS
lock
Output Status indicator (M-GPS LED), 3.3 V CMOS, active low, 1 mA max,
optional connection
18 Differential lock Output Status indicator (DIFF LED), 3.3 V CMOS, active low, 1 mA max, optional
connection
19 DGPS position Output Status indicator (DGPS LED), 3.3 V CMOS, active low, 1 mA max,
optional connection
20 Alarm Output RTC alarm output
21 CANTX Output 3.3 V CMOS
22 Secondary GPS lock Output Status indicator (S-GPS LED), 3.3 V CMOS, active low, 1 mA max
23 CANRX Input 3.3 V CMOS
24 Heading lock Output Status indicator (HDG LED), 3.3 V CMOS, active low, 1 mA max
25 Speed radar pulse Output 0 - 3 V variable clock output
26 Speed radar ready signal Output Speed valid indicator, 3.3 V CMOS, active low
27 GND Power Receiver ground
28 GND Power Receiver ground
29 USB HOST + Output USB host data +
30 USB HOST – Output USB host data –
31 PCTX Output Port C serial output, 3.3 V CMOS, idle high
32 PCRX Input Port C serial input, 3.3 V CMOS, idle high
33 NC No connect
34 Reset Open
collector
Reset, open collector, 3.3 V typical, not required
Note: LeaveanydataorI/Opinsunconnectedifnotinuse.
TheH220OEMboard,theCrescentVectorIIOEMboard,andtheCrescentVectorOEMboarddifferfromtheirpredecessor,theVecto
r
OEM,inthattheydonothavepowersupplyorcommunicationtranslation:thismustbeaccomplishedbyacarrierboard.