NRF401-IC ETC, NRF401-IC Datasheet - Page 2

• Manufacturer Part Number: NRF401-IC
• Description: 433mhz Single Chip RF Transceiver
• Manufacturer: ETC

PRODUCT SPECIFICATION
nRF401 Single Chip RF Transceiver
PIN FUNCTIONS
Nordic VLSI ASA -
Revision: 1.5
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
PWR_UP
DOUT
TXEN
DIN
CS
Name
XC1
VDD
VSS
FILT1
VCO1
VCO2
VSS
VDD
DIN
DOUT
RF_PWR
CS
VDD
VSS
ANT2
ANT1
VSS
PWR_UP
TXEN
XC2
Figure 1. nRF401 block diagram with external components.
12
10
19
18
9
REFERENCE
Vestre Rosten 81, N-7075 Tiller, Norway -
1
DEM
OSC
Pin function
Input
Power
Ground
Input
Input
Input
Ground
Power
Input
Output
Input
Input
Power
Ground
Input/Output
Input/Output
Ground
Input
Input
Output
20
Table 3. nRF401 pin functions
BLOCK DIAGRAM
FILTER
LOOP
PLL
4
Description
Crystal oscillator input
Power supply (+3-5V DC)
Ground (0V)
Loop filter
External inductor for VCO
External inductor for VCO
Ground (0V)
Power supply (+3-5V DC)
Data input
Data output
Transmit power setting
Channel selection
CS=“0”
CS=“1”
Power supply (+3-5V DC)
Ground (0V)
Antenna terminal
Antenna terminal
Ground (0V)
Power on/off
PWR_UP = “1”
PWR_UP = “0”
Transmit enable
TXEN = “1”
TXEN = “0”
Crystal oscillator output
Page 2 of 18
INDUCTOR
5
VCO
VCO
433.92MHz (Channel#1)
434.33MHz (Channel#2)
6
Transmit mode
Receive mode
Power up (Operating mode)
Power down (Standby mode)
Phone [phone] - Fax [phone]
.
PA
LNA
11
RF_PWR
15
16
May 2000
ANT2
ANT1