PAN1326C Bluetooth Module
2 Overview
Product Specification Rev. 1.0
Page 9
Pin Functions
No
Pin Name
Pull at
Reset
Def.
Dir.
1
I/O Type
2
Description
1
GND
Connect to Ground
2
TX_DBG
PU
O
2 mA
Logger output
3
HCI_CTS
PU
I
8 mA
HCI UART clear-to-send.
4
HCI_RTS
PU
O
8 mA
HCI UART request-to-send.
5
HCI_RX
PU
I
8 mA
HCI UART data receive
6
HCI_TX
PU
O
8 mA
HCI UART data transmit
7
AUD_FSYNC
PD
IO
4 mA
PCM frame synch. (NC if not used) Fail Safe
3
8
SLOW_CLK_IN
I
32.768-kHz clock in
Fail Safe
9
NC
IO
Not connected
10
MLDO_OUT
O
Main LDO output (1.8 V nom.)
11
CL1.5_LDO_IN
I
PA LDO input
12
GND
Connect to Ground
13
RF
IO
Bluetooth RF IO
14
GND
Connect to Ground
15
MLDO_IN
I
Main LDO input
16
nSHUTD
PD
I
Shutdown input (active low).
17
AUD_OUT
PD
O
4 mA
PCM data output. (NC if not used) Fail Safe
18
AUD_IN
PD
I
4 mA
PCM data input. (NC if not used) Fail Safe
19
AUD_CLK
PD
IO
HY, 4 mA
PCM clock. (NC if not used) Fail Safe
20
GND
Connect to Ground
21
NC
EEPROM I²C SDA (Internal)
22
VDD_IO
PI
I/O power supply 1.8 V Nom
23
NC
EEPROM I²C SCL (Internal)
24
NC
IO
Not connected
A
GND
Connect to Ground
B
GND
Connect to Ground
C
GND
Connect to Ground
D
GND
Connect to Ground
1
I = input; O = output; IO = bidirectional; P = power; PU = pulled up; PD = pulled down
2
I/O Type: Digital I/O cells. HY = input hysteresis, current = typ. output current
3
No signals are allowed on the IO pins if no VDD_IO (Pin 22) power supplied, except pin 7, 8, 17-19.