CC1010-RTY1 datasheet(130/150 Pages) TI2

130 / 150 page

CC1010

SWRS047A

Page 130 of 146

FSCTRL (0xEC) - Frequency Synthesiser Control Register

Bit

Name

R/W

Reset value

Description

7:5

0x00

Reserved, read as 0

EXT_FILTER

R/W

Setting for external loop filter (not recommended)

0 : Internal loop filter (recommended)

1 : External loop filter

DITHER1

R/W

Reserved for future use. Write as 0.

DITHER0

R/W

Reserved for future use. Write as 0.

SHAPE

R/W

Reserved for future use. Write as 0.

FS_RESET_N

R/W

Separate reset of frequency synthesiser

0 : Frequency synthesiser is reset

1 : Frequency synthesiser reset is released

PRESCALER (0xE6) - Prescaler Control Register

Bit

Name

R/W

Reset value

Description

PRE_SWING

(1:0)

R/W

Prescaler swing. Fractions for PRE_CURRENT[1:0] =

00 : 1

* Nominal Swing

01 : 2/3 * Nominal Swing

10 : 7/3 * Nominal Swing

11 : 5/3 * Nominal Swing

PRE_CURRENT

(1:0)

R/W

Prescaler current scaling

00 : 1

* Nominal Current

01 : 2/3 * Nominal Current

10 : 1/2 * Nominal Current

11 : 2/5 * Nominal Current

IF_INPUT

R/W

0 : Nominal setting

1 : AD2(RSSI/IF) pin is input to IF-strips

IF_FRONT

R/W

0 : Nominal setting

1 : Output of IF_Front_amp is switched to the

AD2(RSSI/IF)

R/W

Reserved for future use, always write 0

R/W

Reserved for future use, always write 0

TESTMUX (0xEF) - Test Multiplexer Control Register (for prototype testing)

Bit

Name

R/W

Reset value

Description

7:4

0x00

Reserved, read as 0

3:0

TESTMUX

(3:0)

R/W

0x00

Select internal test signals to be output to P0(2:0).

This function is enabled when TESTMUX

≠ 0000. The

port directions are still set by P0DIR.

CC1010-RTY1 Datenblatt(PDF) 130 Page - Texas Instruments

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