AWR6843 datasheet(24/71 Pages) TI1

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AWR6843

SWRS248 – APRIL 2020

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Terminal Configuration and Functions

Table 4-5. Signal Descriptions - Analog

INTERFACE

SIGNAL NAME

TYPE

DESCRIPTION

BALL NO.

Transmitters

TX1

Single ended transmitter1 o/p

TX2

Single ended transmitter2 o/p

TX3

Single ended transmitter3 o/p

Receivers

RX1

Single ended receiver1 i/p

RX2

Single ended receiver2 i/p

RX3

Single ended receiver3 i/p

RX4

Single ended receiver4 i/p

Reset

NRESET

Power on reset for chip. Active low

Reference

Oscillator

CLKP

In XTAL mode: Differential port for reference crystal

In External clock mode: Single ended input

reference clock port

B15

CLKM

In XTAL mode: Differential port for reference crystal

In External clock mode: Connect this port to ground

C15

Reference clock

OSC_CLKOUT

Reference clock output from clocking subsystem

after cleanup PLL (1.4V output voltage swing).

A14

Bandgap voltage

VBGAP

Device's Band Gap Reference Output

B10

Power supply

VDDIN

Power

1.2V digital power supply

H15, N11, P15, R6

VIN_SRAM

Power

1.2V power rail for internal SRAM

G15

VNWA

Power

1.2V power rail for SRAM array back bias

P14

VIOIN

Power

I/O Supply (3.3V or 1.8V): All CMOS I/Os would

operate on this supply

R10, F15

VIOIN_18

Power

1.8V supply for CMOS IO

VIN_18CLK

Power

1.8V supply for clock module

B11

VIOIN_18DIFF

Power

1.8V supply for LVDS port

D15

VPP

Power

Voltage supply for fuse chain

L13

Power supply

VIN_13RF1

Power

1.3V Analog and RF supply,VIN_13RF1 and

VIN_13RF2 could be shorted on the board

G5, H5, J5

VIN_13RF2

Power

1.3V Analog and RF supply

C2,D2

VIN_18BB

Power

1.8V Analog base band power supply

K5, F5

VIN_18VCO

Power

1.8V RF VCO supply

B12

VSS

Ground

Digital ground

L5, L6, L8, L10,

K7, K8, K9, K10,

K11, J6, J7, J8,

J10, H7, H9, H11,

G6, G7, G8, G10,

F9, F11, E5, E6,

E8, E10, E11, R15

VSSA

Ground

Analog ground

A1, A3, A5, A7, A9,

A13, A15, B1, B3,

B5, B7, B9, B14,

C1, C3, C4, C5,

C6, C7, C8, C9,

C14, E1, E2, E3,

F3, G1, G2, G3,

H3, J1, J2, J3, K3,

L1, L2, L3, M3, N1,

N2, N3, R1

Internal LDO

output/inputs

VOUT_14APLL

Internal LDO output

A10

VOUT_14SYNTH

Internal LDO output

B13

VOUT_PA

Internal LDO output

A2, B2

AWR6843 Datasheet(PDF) 24 Page - Texas Instruments

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