User's Manual

AMPAK Technology Inc. www.ampak.com.tw Proprietary & Confidential Information
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16
WL_HOST_WAKE
(WL_GPIO_0)
O
WLAN to wake-up HOST
17
WL_GPIO1
I/O
WLAN GPIO1(Internal 10K PD )
18
WL_REG_ON
I
Internal regulators power enable/disable
Chip has an internal default 200k Ohm
pull-down resistor. It can be disabled
through programming.
19
VDDIO
P
I/O Voltage supply input
20
GND
G
Ground connections
21
VBAT
P
Main power voltage source input
22
VBAT
P
Main power voltage source input
23
GND
G
Ground connections
24
BT_REG_ON
I
Internal regulators power enable/disable
Chip has an internal default 200k Ohm
pull-down resistor. It can be disabled
through programming.
25
LPO_IN
I
External Low Power Clock input
(32.768KHz)
26
GND
G
Ground connections
27
GND
G
Ground connections
28
PCM_CLK
I/O
PCM clock
29
PCM_SYNC
I/O
PCM sync signal
30
PCM_OUT
O
PCM Data output
31
PCM_IN
I
PCM data input
32
UART_RTS_N
O
Bluetooth UART interface
33
UART_CTS_N
I
Bluetooth UART interface
34
UART_TXD
O
Bluetooth/FM UART interface
35
UART_RXD
I
Bluetooth/FM UART interface
36
GND
G
Ground connections
37
BT_DEV_WAKE UP
I
HOST wake-up Bluetooth device
38
BT_HOST_WAKE
O
Bluetooth device to wake-up HOST
39-50
GND
G
Ground connections
H1~H9
GND
G
BOT GND PAD
(with open 9 solder mask)