ATA5780N_14 Datasheet, PDF (5/17 Pages) ATMEL Corporation – UHF ASK/FSK Receiver

1.4 Pin Diagram and Configuration of Atmel ATA5780N
Figure 1-1. Pin Diagram
RFIN_LB
RFIN_HB
32 31 30 29 28 27 26 25
1
exposed die pad
2
24 PB2
23 PB1
SPDT_RX 3
22 PB0
SPDT_ANT 4
NC 5
Atmel
ATA5780N
21 DGND
20 DVCC
NC 6
19 PC5
NC 7
18 PC4
VS_SPDT 8
17 PC3
9 10 11 12 13 14 15 16
Note:
The exposed die pad is connected to the internal die.
Table 1-1.
Pin No.
1
2
3
4
5-7
Pin Configuration
Pin Name
RFIN_LB
RFIN_HB
SPDT_RX
SPDT_ANT
NC
8
VS_SPDT
9
TEST_EN
10
XTAL1
11
XTAL2
12
AVCC
13
VS
14
PC0
15
PC1
16
PC2
17
PC3
Type
Analog
Analog
Analog
Analog
-
Analog
-
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Digital
Description
RXMode, LNA input for Low-Band frequency range (< 500MHz)
RXMode, LNA input for High-Band frequency range (> 500MHz)
RXMode output of the SPDT switch (Damped signal output)
Antenna input (RXMode) of the SPDT switch
Open in application
SPDT supply
3V application supply voltage input
Test enable, connected to GND in application
Crystal oscillator pin1 (Input)
Crystal oscillator pin2 (output)
RF frontend supply regulator output
Main supply voltage input
Main: AVR Port C0
Alternate: PCINT8/NRESET/Debug Wire
Main: AVR Port C1
Alternate: NPWRON1/PCINT9
Main: AVR Port C2
Alternate: NPWRON2/PCINT10/TRPA
Main: AVR Port C3
Alternate:
NPWRON3/PCINT11/TMDO/TxD
ATA5780N [SUMMARY DATASHEET]
5
9207ES–RKE–06/13