AT86RF211SAH-R Atmel, AT86RF211SAH-R Datasheet - Page 30

• Manufacturer Part Number: AT86RF211SAH-R
• Description: IC RF TXRX FSK 400-950MHZ 48TQFP
• Manufacturer: Atmel

Specifications of AT86RF211SAH-R

• Frequency: 400MHz ~ 950MHz
• Data Rate - Maximum: 100kbps
• Modulation Or Protocol: FSK
• Applications: ISM
• Power - Output: 7dBm ~ 12dBm
• Sensitivity: -107dBm
• Voltage - Supply: 2.4 V ~ 3.6 V
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Memory Size: -
• Current - Transmitting: -
• Current - Receiving: -

2.3.3
2.3.4
Table 2-9.
Note:
30
DATATOL
2%
4% - recommended
8%
1. The clock’s “settling time” depends on the random first occurrence of the clock edge compared to the data edge. This means
AT86RF211S
Data Tolerance Programming
Recommended Values
that in most cases, the number of bits required to obtain synchronization will be far smaller.
Clock Recovery Recommended Settings
Maximum Number of
Preamble Bytes for Sync
4 bytes of $55
2 bytes of $55
1 byte of $55
Table 2-8 provides some examples of tolerance values with tolerance = 4% ×
DATARATE:
Table 2-8.
You can select DATATOL. This parameter decides upon:
DATATOL[7:0]
(4)
(8)
(vv)
(41)
(43)
(85)
(171)
(410)
• The stability of the clock and its jitter
• The number of bits that are required to synchronize the data
10
10
10
10
10
10
10
10
Tolerance Values with Tolerance Equal to 4% × Data Rate
(1)
From…
The duty cycle time of the
demodulated preamble is
better than 25 to 75%
Rate
100 kbps
50 kbps
10 kbps
9.6 kbps
4.8 kbps
2.4 kbps
1 kbps
To…
The clock is settled at the
center of the bit with an
accuracy of ±10%
Period
1 bit ~ 4 x T
1 bit ~ 8 x T
1 bit ~ vv x T
1 bit ~ 41 x T
1 bit ~ 43 x T
1 bit ~ 85 x T
1 bit ~ 171 x T
1 bit ~ 410 x T
5348B–WIRE–03/06