CC2564C Datasheet, PDF (6/52 Pages) Texas Instruments – CC2564C Dual-Mode Bluetooth Controller

CC2564C
SWRS199A – APRIL 2016 – REVISED NOVEMBER 2016
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4.1.1 Pin Attributes (VQFN-MR Package)
Table 4-1 describes the pin attributes for the VQFN-MR package.
SPACER
NAME
I/O Signals
AUD_CLK
AUD_FSYNC
AUD_IN
AUD_OUT
HCI_CTS
HCI_RX
HCI_RTS
HCI_TX
TX_DBG
Clock Signals
SLOW_CLK
XTALP/FREFP
XTALM/FREFM
Analog Signals
BT_RF
nSHUTD
Power and Ground Signals
ADC_PPA_LDO_OUT
CL1.5_LDO_IN
CL1.5_LDO_OUT
DCO_LDO_OUT
DIG_LDO_OUT
MLDO_IN
MLDO_OUT
SRAM_LDO_OUT
Table 4-1. Pin Attributes (VQFN-MR Package)
NO.
PULL AT
RESET
DEF.
DIR. ⁽¹⁾
I/O
Type ⁽²⁾
DESCRIPTION
B32
PD
A35
PD
B34
PD
B33
PD
A29
PU
A26
PU
A32
PU
A33
PU
B24
PU
I/O
HY, 4
mA
PCM clock
Fail-safe
I/O
4 mA PCM frame-sync signal
Fail-safe
I
4 mA PCM data input
Fail-safe
O
4 mA PCM data output
Fail-safe
HCI UART clear-to-send
I
8 mA The device is allowed to send data
when HCI_CTS is low.
HCI universal asynchronous
I
8 mA receiver/transmitter (UART) data
receive
HCI UART request-to-send
O
8 mA The host is allowed to send data when
HCI_RTS is low.
O
8 mA HCI UART data transmit
TI internal debug messages. TI
O
2 mA recommends leaving an internal test
point.
A25
I
32.768-kHz clock in
Fail-safe
B4
I
Fast clock in analog (sine wave)
Output terminal of fast-clock crystal
Fail-safe
A4
I
Fast clock in digital (square wave)
Input terminal of fast-clock crystal
Fail-safe
B8
I/O
A6
PD
I
Bluetooth RF I/O
Shutdown input (active low)
A8
B6
A7
A12
A2, A3,
B15,
B26,
B27,
B35, B36
B5
A5, A9,
B2, B7
B1
O
ADC/PPA LDO output
I
Power amplifier (PA) LDO input
Connect directly to battery
O
PA LDO output
O
DCO LDO output
Digital LDO output
O
QFN pin B26 or B27 must be shorted
to other DIG_LDO_OUT pins on the
PCB.
I
Main LDO input
Connect directly to battery
I/O
Main LDO output (1.8-V nominal)
O
SRAM 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
6
Terminal Configuration and Functions
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