EM2420 ETC [List of Unclassifed Manufacturers], EM2420 Datasheet - Page 75

• Manufacturer Part Number: EM2420
• Description: 2.4 GHz IEEE 802.15.4 / ZigBee RF Transceiver
• Manufacturer: ETC [List of Unclassifed Manufacturers]

MANFIDH (0x1F) - Manufacturer ID, Upper 16 Bit
15:12
11:0
FSMTC (0x20) - Finite state machine time constants
15:13
12:10
9:6
5:3
2:0
Ember Part Number: 120-0049-000C
Bit
Bit
Field Name
VERSION[3:0]
PARTNUM[15:4]
Field Name
TC_RXCHAIN2RX[2:0]
TC_SWITCH2TX[2:0]
TC_PAON2TX[3:0]
TC_TXEND2SWITCH[2:0]
TC_TXEND2PAOFF[2:0]
Reset
0
0
Reset
3
6
10
2
4
EM2420 Datasheet
R/W
R
R
R/W
R/W
R/W
R/W
R/W
R/W
Description
Version number. Current number is 0.
The device part number. EM2420 has part number 0x002.
Description
The time in 5 us steps between the time the RX chain is enabled
and the demodulator and AGC is enabled. The RX chain is
started when the bandpass filter has been calibrated (after 6.5
symbol periods).
The time in advance the PA is powered up before enabling TX.
In µs.
The time in advance the RXTX switch is set high, before
enabling TX. In µs.
The time after the last chip in the packet is sent, and the rxtx
switch is disabled. in µs.
The time after the last chip in the packet is sent, and the PA is
set in power-down. Also the time at which the modulator is
disabled. In µs.
EM2420
Page 75 of 89