U3280M_07 ATMEL [ATMEL Corporation], U3280M_07 Datasheet - Page 3

• Manufacturer Part Number: U3280M_07
• Description: Transponder Interface for Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

2. Pin Configuration
Figure 2-1.
Table 2-1.
4688D–RFID–03/07
Pin
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Pinning
Pin Description
Symbol
NGAP
NRST
Coil 1
Coil 2
VBatt
MOD
VDD
SDA
VSS
SCL
NC
FC
NC
NC
NC
NC
Function
Power supply voltage input to connect a battery
Power supply voltage for the microcontroller and EEPROM. At this pin a buffer capacitor (0.5 to 10 µF)
must be connected to buffer the voltage during field supply and to block the VDD of the microcontroller.
Serial clock line
Reset line bi-directional
Serial data line
Circuit ground
Not connected
Field clock output of the front-end clock extractor
Modulation input
Gap and field detect output
Not connected
Not connected
Not connected
Not connected
Coil input 1. Use pin to connect a resonant circuitry for communication and field supply
Coil input 2. Use pin to connect a resonant circuitry for communication and field supply
NRST
VBatt
VDD
SDA
VSS
SCL
NC
FC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Coil 2
Coil 1
NGAP
MOD
NC
NC
NC
NC
U3280M
3