Registers, listed first in table 11, In table 11. many of these registers are, Described in the tables following table 11 – Texas Instruments 3138 155 232931 User Manual

Page 62: Cc2420, Table 11. configuration registers overview

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CC2420

SWRS041B Page 62 of 89

Address

Register

Register type

Description

0x0E

SAES

S

AES Stand alone encryption strobe. SPI_SEC_MODE is not
required to be 0, but the encryption module must be idle. If not,
the strobe is ignored.

0x0F

-

- Not

used

0x10

MAIN

R/W

Main Control Register

0x11

MDMCTRL0

R/W

Modem Control Register 0

0x12

MDMCTRL1

R/W

Modem Control Register 1

0x13

RSSI

R/W

RSSI and CCA Status and Control register

0x14

SYNCWORD

R/W

Synchronisation word control register

0x15

TXCTRL

R/W

Transmit Control Register

0x16

RXCTRL0

R/W

Receive Control Register 0

0x17

RXCTRL1

R/W

Receive Control Register 1

0x18

FSCTRL

R/W

Frequency Synthesizer Control and Status Register

0x19

SECCTRL0

R/W

Security Control Register 0

0x1A

SECCTRL1

R/W

Security Control Register 1

0x1B

BATTMON

R/W

Battery Monitor Control and Status Register

0x1C

IOCFG0

R/W

Input / Output Control Register 0

0x1D

IOCFG1

R/W

Input / Output Control Register 1

0x1E

MANFIDL

R/W

Manufacturer ID, Low 16 bits

0x1F

MANFIDH

R/W

Manufacturer ID, High 16 bits

0x20

FSMTC

R/W

Finite State Machine Time Constants

0x21

MANAND

R/W

Manual signal AND override register

0x22

MANOR

R/W

Manual signal OR override register

0x23

AGCCTRL

R/W

AGC Control Register

0x24

AGCTST0

R/W

AGC Test Register 0

0x25

AGCTST1

R/W

AGC Test Register 1

0x26

AGCTST2

R/W

AGC Test Register 2

0x27

FSTST0

R/W

Frequency Synthesizer Test Register 0

0x28

FSTST1

R/W

Frequency Synthesizer Test Register 1

0x29

FSTST2

R/W

Frequency Synthesizer Test Register 2

0x2A

FSTST3

R/W

Frequency Synthesizer Test Register 3

0x2B

RXBPFTST

R/W

Receiver Bandpass Filter Test Register

0x2C

FSMSTATE

R

Finite State Machine State Status Register

0x2D

ADCTST

R/W

ADC Test Register

0x2E

DACTST

R/W

DAC Test Register

0x2F

TOPTST

R/W

Top Level Test Register

0x30

RESERVED

R/W

Reserved for future use control / status register

0x31-
0x3D

-

-

Not used

0x3E

TXFIFO

W

Transmit FIFO Byte Register

0x3F

RXFIFO

R/W

Receiver FIFO Byte Register

R/W - Read/write (control/status), R - Read only, W – Write only, S – Command Strobe (perform action upon access)

Table 11. Configuration registers overview

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