User's Manual
Table Of Contents
- 1. Introduction
- 2. Mod. A528 Technical Specifications
- 2.1. Mod. A528 Technical Specifications Table
- 2.2. External connections
- 2.2.1. A528 Main connector pinout
- 2.2.2. A528 MAIN connector electrical characteristics
- 2.2.3. Power supply connection
- 2.2.4. General purpose I/O connections
- 2.2.5. External reset
- 2.2.6. UART connection
- 2.2.7. A528 recovery
- 2.2.8. A528 USB connector pinout
- 2.2.9. USB connector pinout electrical characteristics
- 2.2.10. Antenna port specifications
- 2.3. Reader – Tag link profiles
- 2.4. Host communication interfaces
- 2.5. A528 Firmware Upgrade
Document type: Title: Revision date: Revision:
User's Manual (MUT) Mod. A528 OEM UHF Multiregional compact reader 02/04/2008 2
2.2.2. A528 MAIN connector electrical characteristics
Table 2.3: A528 main connector electrical characteristics
Pin name Pin No. Parameter Min. Typ. Max. Unit
Supply DC voltage 4.75 5.00 5.25 V
Power supply requirements – Ripple
Voltage
100 mVpp
Power supply requirements - Ripple
Frequency
100 kHz
+5V 1
Supply DC current 0.23 1.0 A
VIL -0.3 1.0 V
VIH 2.4 3.6 V
Internal pull-up resistance 10 20 kΩ
/RESET 2
Pulse width 1 μs
VOL 0 0.4 V
VOH 2.0 3.3 V
Output current 3.0 mA
VIL -0.3 0.8 V
VIH 2.0 5.5 V
GPIO[0:3] 3, 4, 5, 6
Input current 1 μA
TST-
Recovery
7 VIH 2.0 5.5 V
USB PUP 8 VIH 2.0 5.5 V
VIL -0.3 0.8 V
VIH 2.0 5.5 V
RXD 9
Input current 1 μA
VOL 0 0.4 V
VOH 2.4 3.3 V
TXD 10
Output current 1.5 mA
GND 11,12
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