CC2560A_16 Datasheet, PDF (7/51 Pages) Texas Instruments – Dual-Mode Bluetooth Controller

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CC2560A NRND; CC2564 NRND
CC2560A, CC2560B, CC2564, CC2564B
SWRS121E – JULY 2012 – REVISED JANUARY 2016
4.1 Pin Attributes
Table 4-1 describes the pin attributes.
Table 4-1. Pin Attributes
NAME
I/O Signals
HCI_RX
HCI_TX
HCI_RTS
NO.
PULL AT DEF.
RESET DIR.⁽¹⁾
A26
PU
I
A33
PU
O
A32
PU
O
HCI_CTS
A29
PU
I
AUD_FSYNC
AUD_CLK
AUD_IN
AUD_OUT
TX_DBG
Clock Signals
SLOW_CLK
XTALP/FREFP
A35
PD
I/O
B32
PD
I/O
B34
PD
I
B33
PD
O
B24
PU
O
A25
I
B4
I
XTALM/FREFM
A4
I
Analog Signals
BT_RF
B8
I/O
nSHUTD
A6
PD
I
Power and Ground Signals
VDD_IO
A17,
A34,
A38,
B18,
B19,
I
B21,
B22,
B25
MLDO_IN
B5
I
MLDO_OUT
A5, A9,
B2, B7
I/O
CL1.5_LDO_IN
B6
I
CL1.5_LDO_OUT
A7
O
A2, A3,
B15,
DIG_LDO_OUT
B26,
B27,
O
B35,
B36
SRAM_LDO_OUT
B1
O
DCO_LDO_OUT
A12
O
ADC_PPA_LDO_OUT
A8
O
I/O
Type ⁽²⁾
DESCRIPTION
8 mA
8 mA
8 mA
8 mA
4 mA
HY, 4 mA
4 mA
4 mA
2 mA
HCI universal asynchronous receiver/transmitter (UART) data
receive
HCI UART data transmit
HCI UART request-to-send
The host is allowed to send data when HCI_RTS is low.
HCI UART clear-to-send
The CC256x device is allowed to send data when HCI_CTS is
low.
pulse-code modulation (PCM) frame-sync signal Fail-safe
PCM clock
Fail-safe
PCM data input
Fail-safe
PCM data output
Fail-safe
TI internal debug messages. TI recommends
leaving an internal test point.
32.768-kHz clock in
Fast clock in analog (sine wave)
Output terminal of fast-clock crystal
Fast clock in digital (square wave)
Input terminal of fast-clock crystal
Fail-safe
Fail-safe
Fail-safe
Bluetooth RF I/O
Shutdown input (active low)
I/O power supply (1.8-V nominal)
Main LDO input
Connect directly to battery
Main LDO output (1.8-V nominal)
Power amplifier (PA) LDO input
Connect directly to battery
PA LDO output
Digital LDO output
QFN pin B26 or B27 must be shorted to other
DIG_LDO_OUT pins on the PCB.
SRAM LDO output
DCO LDO output
ADC/PPA LDO output
(1) I = input; O = output; I/O = bidirectional
(2) I/O Type: Digital I/O cells. HY = input hysteresis, current = typical output current
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Terminal Configuration and Functions
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