u-blox LEA-6 series, Руководство по интеграции оборудования

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LEA-6 / NEO-6 - Hardware Integration Manual
GPS.G6-HW-09007-A Preliminary Appendix
Page 53 of 62
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LEA-4H/LEA-4P/LEA-4T LEA-6H/LEA-6T Remarks for Migration
Pin Name Typical Assignment Pin Name Typical Assignment
VCC voltage.
9 Reserved NC Reserved NC
10 RESET_N 1.8V RESET_N NC
Input only, do not drive high. Internal pull up to
VCC.
11 V_BAT 1.50 – 3.6V V_BCKP 1.4 – 3.6V
Wider voltage range but needs more current.
Check your backup supply, regarding the higher
consumption.
12 BOOT_INT
NC
Reserved
NC do not drive low.
13 GND
GND
GND
GND No difference
14 GND
GND
GND
GND No difference
15 GND
GND
GND
GND No difference
16 RF_IN
RF_IN
RF_IN
RF_IN No difference
17 GND GND GND GND No difference
18 VCC_RF
VCC - 0.1V
VCC_RF
VCC - 0.1V No difference
19 V_ANT 3.0V –5.0V V_ANT 2.7V -5.5V No difference
20 AADET_N NC AADET_N NC
21 EXTINT1 NC NC NC
22 Reserved NC NC NC
23 Reserved NC NC NC
24 VDDUSB
Connected to GND
or VDD_USB
VDDUSB
Connected to GND
or VDD_USB Do not leave open. (VDD_USB is 3.3V regulated
power supply from VBUS.)
25 USB_DM NC USB_DM NC No difference
26 USB_DP
NC
USB_DP
NC
No difference
27 EXTINT0 NC EXTINT0 NC
28 TIMEPULSE
VDDIO level I/O
TIMEPULSE
Output
Table 14: Pin-out comparison LEA-4H/LEA-4P/LEA-4T vs. LEA-6H/LEA-6T
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LEA-4A/LEA-4S LEA-6A/LEA-6S Remarks for Migration
Pin Name Typical Assignment Pin Name Typical Assignment
1 TxD2 3.0V out SDA2 NC
2 RxD2 1.8 - 5.0V SCL2 NC
3 TxD1 3.0V out TxD1 Output
4 RxD1 1.8 - 5.0V in RxD1 Input Leave open if not used. Max.3.6V
5 VDDIO VCC NC Connect to VCC
Can be left open, but connection to VCC is
recommended for compatibility reason.
6 VCC
2.70 – 3.30V
VCC
2.70 – 3.60V
Extended power supply range, higher peak supply
current.
7 GND GND GND GND No difference
8 VDD18OUT 1.8V out VCC_OUT NC
Internally connected to VCC, if you have circuitry
connected to this pin, check if it withstands the
VCC voltage.
9 GPSMODE6
NC (GND or
VDD18OUT)
CFG_COM1 NC
10 RESET_N
ACTIVE LOW
RESET_N
NC
Input only, do not drive high. Internal pull up to
VCC.
11 V_BAT 1.50 – 3.6V V_BCKP 1.4 – 3.6V
Wider voltage range but needs more current.
Check your backup supply, regarding the higher
consumption.
12 BOOT_INT NC Reserved NC do not drive low.
13 GND GND GND GND No difference
14 GND
GND
GND
GND No difference
15 GND GND GND GND No difference
16 RF_IN
RF_IN
RF_IN
RF_IN No difference
17 GND GND GND GND No difference
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