CC2420Z-RTR1 datasheet(73/92 Pages) TI

73 / 92 page

CC2420

SWRS041B

Page 73 of 89

MANFIDH (0x1F) - Manufacturer ID, Upper 16 Bit

Bit

Field Name

Reset

R/W

Description

15:12

VERSION[3:0]

Version number. Current version is 3.

Note that previous CC2420 versions will have lower reset values.

11:0

PARTNUM[15:4]

The device part number. CC2420 has part number 0x002.

FSMTC (0x20) - Finite state machine time constants

Bit

Field Name

Reset

R/W

Description

15:13

TC_RXCHAIN2RX[2:0]

R/W

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).

12:10

TC_SWITCH2TX[2:0]

R/W

The time in advance the RXTX switch is set high, before

enabling TX. In

µs.

9:6

TC_PAON2TX[3:0]

R/W

The time in advance the PA is powered up before enabling TX.

µs.

5:3

TC_TXEND2SWITCH[2:0]

R/W

The time after the last chip in the packet is sent, and the TXRX

switch is disabled. In

µs.

2:0

TC_TXEND2PAOFF[2:0]

R/W

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.

CC2420Z-RTR1 Fiches technique(PDF) 73 Page - Texas Instruments

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