CC2420Z-RTR1 datasheet(79/92 Pages) TI

tên linh kiện	CC2420Z-RTR1

Giải thích chi tiết về linh kiện	2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver

PDF	92 Pages

Scroll/Zoom	100%

nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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79 / 92 page

CC2420

SWRS041B

Page 79 of 89

ADCTST (0x2D) - ADC Test Register

Bit

Field Name

Reset

R/W

Description

ADC_CLOCK_DISABLE

R/W

ADC Clock Disable

0 : Clock enabled when ADC enabled

1 : Clock disabled, even if ADC is enabled

14:8

ADC_I[6:0]

Read the current ADC I-branch value.

Reserved, write as 0.

6:0

ADC_Q[6:0]

Read the current ADC Q-branch value.

DACTST (0x2E) - DAC Test Register

Bit

Field Name

Reset

R/W

Description

Reserved, write as 0.

14:12

DAC_SRC[2:0]

R/W

The TX DACs data source is selected by DAC_SRC according

to:

0: Normal operation (from modulator).

1: The DAC_I_O and DAC_Q_O override values below.-

2: From ADC, most significant bits

3: I/Q after digital down mixing and channel filtering.

4: Full-spectrum White Noise (from CRC)

5: From ADC, least significant bits

6: RSSI / Cordic Magnitude Output

7: HSSD module.

This feature will often require the DACs to be manually turned on

in MANOR and TOPTST.ATESTMOD_MODE=4.

11:6

DAC_I_O[5:0]

R/W

I-branch DAC override value.

5:0

DAC_Q_O[5:0]

R/W

Q-branch DAC override value.

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