GT-530 user manual v1.0
2. Hardware
2.1
Specifications
System
CPU
32 bit Arm7 CPU, 72M Hz
SRAM 32K
Bytes
Flash Memory
512K Bytes
RTC
Gives time(sec, min, hour) & date, leap year compensation
from 1980 to 2079
WDT(watchdog) Yes
Serial ports
COM2
RS-232
：
TXD,RXD,GND for configuration
COM3
RS-232
：
TXD,RXD,GND for communication with other
devices
DIO
Input
10 Channel ( 6 Counter 5~40Hz + 4 Channel Digital input
powered by external power or Li-battery)
On Voltage : +3.5~24VDC
Off Voltage : +1V Max.
Output
D/O :2 Channel Open collector output (500mA@24V
)
2 digital output channels
Output type : Open-Collector (NPN)
Load Voltage : +24V Max.
Load Current : 500mA Max.
GPRS/GSM Module
GPRS/GSM
GPRS/GSM Tri-Band 900/1800/1900 MHz
GPRS multi-slot : class 10/8
GPRS mobile station : class B
GPRS class 10 : Max download speed 85.6 kbps
CSD max speed 14.4 kbps
Compliant to GSM phase 2/2+
-Class 4(2W @ 900 MHz)
-Class 1(1W @ 1800/1900 MHz)
Coding schemes : CS 1, CS 2,CS 3,CS 4
SMS: Text and PDU mode
Power
Protection
Reverse polarity protection
GT-530 User Manual, Version 1.0, August 2009
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