CC2560BYFVT datasheet(7/54 Pages) TI2

7 / 54 page

CC2560A NRND; CC2564 NRND

CC2560A, CC2560B, CC2564, CC2564B

www.ti.com

SWRS121E – JULY 2012 – REVISED JANUARY 2016

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Product Folder Links: CC2560A CC2560B CC2564 CC2564B

Terminal Configuration and Functions

(1)

I = input; O = output; I/O = bidirectional

(2)

I/O Type: Digital I/O cells. HY = input hysteresis, current = typical output current

4.1

Pin Attributes

Table 4-1 describes the pin attributes.

Table 4-1. Pin Attributes

NAME

NO.

PULL AT

RESET

DEF.

DIR.(1)

I/O

Type(2)

DESCRIPTION

I/O Signals

HCI_RX

A26

8 mA

HCI universal asynchronous receiver/transmitter (UART) data

receive

HCI_TX

A33

8 mA

HCI UART data transmit

HCI_RTS

A32

8 mA

HCI UART request-to-send

The host is allowed to send data when HCI_RTS is low.

HCI_CTS

A29

8 mA

HCI UART clear-to-send

The CC256x device is allowed to send data when HCI_CTS is

low.

AUD_FSYNC

A35

I/O

4 mA

pulse-code modulation (PCM) frame-sync signal

Fail-safe

AUD_CLK

B32

I/O

HY, 4 mA

PCM clock

Fail-safe

AUD_IN

B34

4 mA

PCM data input

Fail-safe

AUD_OUT

B33

4 mA

PCM data output

Fail-safe

TX_DBG

B24

2 mA

TI internal debug messages. TI recommends

leaving an internal test point.

Clock Signals

SLOW_CLK

A25

32.768-kHz clock in

Fail-safe

XTALP/FREFP

Fast clock in analog (sine wave)

Output terminal of fast-clock crystal

Fail-safe

XTALM/FREFM

Fast clock in digital (square wave)

Input terminal of fast-clock crystal

Fail-safe

Analog Signals

BT_RF

I/O

Bluetooth RF I/O

nSHUTD

Shutdown input (active low)

Power and Ground Signals

VDD_IO

A17,

A34,

A38,

B18,

B19,

B21,

B22,

B25

I/O power supply (1.8-V nominal)

MLDO_IN

Main LDO input

Connect directly to battery

MLDO_OUT

A5, A9,

B2, B7

I/O

Main LDO output (1.8-V nominal)

CL1.5_LDO_IN

Power amplifier (PA) LDO input

Connect directly to battery

CL1.5_LDO_OUT

PA LDO output

DIG_LDO_OUT

A2, A3,

B15,

B26,

B27,

B35,

B36

Digital LDO output

QFN pin B26 or B27 must be shorted to other

DIG_LDO_OUT pins on the PCB.

SRAM_LDO_OUT

SRAM LDO output

DCO_LDO_OUT

A12

DCO LDO output

ADC_PPA_LDO_OUT

ADC/PPA LDO output

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