CC2420

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

Bit

Field Name

Reset

R/W

15:12

VERSION[3:0]

3

R

 

 

 

 

11:0

PARTNUM[15:4]

0

R

Description

Version number. Current version is 3.

Note that previous CC2420 versions will have lower reset values.

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

FSMTC (0x20) - Finite state machine time constants

Bit

Field Name

Reset

R/W

15:13

TC_RXCHAIN2RX[2:0]

3

R/W

 

 

 

 

12:10

TC_SWITCH2TX[2:0]

6

R/W

 

 

 

 

9:6

TC_PAON2TX[3:0]

10

R/W

 

 

 

 

5:3

TC_TXEND2SWITCH[2:0]

2

R/W

 

 

 

 

2:0

TC_TXEND2PAOFF[2:0]

4

R/W

 

 

 

 

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 RXTX switch is set high, before enabling TX. In s.

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

The time after the last chip in the packet is sent, and the TXRX switch is disabled. In s.

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 s.

SWRS041B

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Texas Instruments 3138 155 232931 manual Manfidh 0x1F Manufacturer ID, Upper 16 Bit