A2200-A Maestro Wireless Solutions, A2200-A Datasheet - Page 20

• Manufacturer Part Number: A2200-A
• Description: GPS Modules SiRF Star IV GPS receiver SMT ROM mod
• Manufacturer: Maestro Wireless Solutions

Specifications of A2200-A

• Rohs: yes
• Frequency Band: 1.575 GHz
• Number Of Channels: 48
• Time To First Fix (cold Start): 35 s
• Acquisition Sensitivity: 163 dBm
• Horizontal Position Accuracy: 2.5 m
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Supply Current: 50 uA
• Interface Type: I2C
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Dimensions: 14 mm x 10.2 mm x 2.5 mm

V1.0 – Feb-12
5.2 Description A2200-A Signals
Pin Symbol
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
GPIO2
Vout
TX0
SPI DO
RX0
SPI DI
ExtInt
2/GPIO8
ON_OFF
GND
GND
VANT
ANT_GND
ANT_IN
GPIO3
ExtInt
TM_GPIO5 Output
I2C CLK
I2C DIO
GPIO6
SPI CLK
GPIO7
SPI CS
WAKEUP
Vcc
NC
nRST
Function
Input/Output
Voltage output
Output
Input
Input
Input
Power Supply
Power Supply
Antenna Supply
Voltage Input
RF GND
Antenna Input
Input/Output
Input/Output
Input
Input/Output
Input
Input
Output
Power Supply
None
Input
Table 4: Pin description A2200-A
Description
Leave open
Permanent 1.8V voltage output for up to 20mA current max.
Serial output 0, NMEA out if configured for UART
SPI data out pin when module works in SPI mode
Serial input 0, NMEA in if configured for UART
SPI data in pin when module works in SPI mode
Interrupt input 2 (If ExtInt 2 is not going to be used, it is rec-
ommended that this pin be tied directly to ground.
Otherwise, a 100K pull-down resistor to ground should be
connected to the ExtInt 2 pin.)
Connect to push-pull output! This is mandatory!
- Set to LOW by default
- Toggle to HIGH and back to LOW
Ground (power supply)
Ground (power supply)
Power supply input for external active antenna – provide ac-
cording voltage (up to 5.0 VDC) – switched internally
Antenna Ground
Antenna signal / Z=50 Ohm (antenna input) – must not exceed
30dB gain including cable loss
Leave open
Interrupt input for MEMS interface
Time Mark – 1PPS signal
I2C clock input for MEMS interface
I2C I/O for MEMS interface
Configuration pin to run in UART mode (10k pull-up to 1.8V, e.g.
to Vout, pin 2)
SPI clock pin when module works in SPI mode
Unused configuration pin – reserved for future use, leave open
SPI chip select pin when module works in SPI mode
Status of digital section, Push-Pull output
Low = OFF, KA (Keep Alive)-only, Hibernate, or Standby mode
High = ON, operational mode
3.0 – 3.6 VDC (power supply)
Leave open
Reset input (open / HIGH – no reset, LOW - reset)
Connect to open collector / open drain output!
User’s Manual
- for first start-up after power on
- to request a fix in SiRFawareTM or PTF mode
- to go into or wake up out of hibernate mode
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