NRF2401AG Nordic VLSI, NRF2401AG Datasheet - Page 3

• Manufacturer Part Number: NRF2401AG
• Manufacturer: Nordic VLSI

PRODUCT SPECIFICATION
nRF2401A Single Chip 2.4 GHz Radio Transceiver
PIN ASSIGNMENT
Nordic Semiconductor ASA
Revision: 1.1
PIN FUNCTIONS
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Figure 2 nRF2401A pin assignment (top view) for a QFN24 5x5 package.
Name
CE
DR2
CLK2
DOUT2
CS
DR1
CLK1
DATA
DVDD
VSS
XC2
XC1
VDD_PA
ANT1
ANT2
VSS_PA
VDD
VSS
IREF
VSS
VDD
VSS
PWR_UP
VDD
CLK2
DR2
DR1
CE
CS
Pin function
Digital Input
Digital Output
Digital I/O
Digital Output
Digital Input
Digital Output
Digital I/O
Digital I/O
Power Output
Power
Analog Output
Analog Input
Power Output
RF
RF
Power
Power
Power
Analog Input
Power
Power
Power
Digital Input
Power
1
2
3
4
5
6
- Vestre Rosten 81, N-7075 Tiller, Norway
CLK1
VDD
24
7
Table 3 nRF2401A pin function
PWR_UP
DATA
23
8
Crystal Pin 2
Crystal Pin 1
Power Supply (+1.8V) to Power Amplifier
Power Supply (+3V DC)
Power Supply (+3V DC)
Power Supply (+3V DC)
Description
Chip Enable Activates RX or TX mode
RX Data Ready at Data Channel 2 (ShockBurst™ only)
Clock Output/Input for RX Data Channel 2
RX Data Channel 2
Chip Select Activates Configuration Mode
RX Data Ready at Data Channel 1 (ShockBurst™ only)
Clock Input (TX) & Output/Input (RX) for Data Channel 1
3-wire interface
RX Data Channel 1/TX Data Input/ 3-wire interface
Positive Digital Supply output for de-coupling purposes
Ground (0V)
Antenna interface 1
Antenna interface 2
Ground (0V)
Ground (0V)
Reference current
Ground (0V)
Ground (0V)
Power Up
nRF2401A
DVDD
QFN24 5x5
VSS
22
9
Page 3 of 40
VDD
21
10
VSS
VSS
XC2
20
11
-
Phone [phone]
XC1
19
12
IREF
18
17
16
15
14
13
VDD_PA
VSS_PA
ANT1
ANT2
VDD
-
VSS
Fax [phone]
March 2006