CC1110-RTY1 datasheet(183/203 Pages) TI

183 / 203 page

CC1110

CC1110 PRELIMINARY Datasheet (Rev. 1.01) SWRS033A

Page 183 of 202

0xDF13: MCSM1 – Main Radio Control State Machine configuration

Bit

Field Name

Reset

R/W

Description

7:6

Reserved

5:4

CCA_MODE[1:0]

R/W

Selects CCA_MODE; Reflected in CCA signal

Setting

Clear channel indication

0 (00)

Always

1 (01)

If RSSI below threshold

2 (10)

Unless currently receiving a packet

3 (11)

If RSSI below threshold unless currently

receiving a packet

3:2

RXOFF_MODE[1:0]

R/W

Select what should happen when a packet has been

received

Setting

Next state after finishing packet reception

0 (00)

IDLE

1 (01)

FSTXON

2 (10)

3 (11)

Stay in RX

1:0

TXOFF_MODE[1:0]

R/W

Select what should happen when a packet has been sent

(TX)

Setting

Next state after finishing packet transmission

0 (00)

IDLE

1 (01)

FSTXON

2 (10)

Stay in TX (start sending preamble)

3 (11)

0xDF14: MCSM0 – Main Radio Control State Machine configuration

Bit

Field Name

Reset

R/W

Description

7:6

Reserved

5:4

FS_AUTOCAL[1:0]

R/W

Automatically calibrate when going to RX or TX, or back to

IDLE

Setting

When to perform automatic calibration

0 (00)

Never (manually calibrate using

SCAL strobe)

1 (01)

When going from IDLE to RX or TX (or FSTXON)

2 (10)

When going from RX or TX back to IDLE

3 (11)

Every 4

th time when going from RX or TX to IDLE

In some automatic wake-on-radio (WOR) applications, using

setting 3 (11) can significantly reduce current consumption.

3:0

0100

Reserved

CC1110-RTY1 Datasheet(PDF) 183 Page - Texas Instruments

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