Data Sheet

FSC-BT958 Datasheet
Shenzhen Feasycom Technology Co., Ltd www.feasycom.com
-7-
Alternative Function: I2S2 synchronous data output
7,9
GPIO_01/I2S_WS
I/O
Programmable input/output line
Alternative Function: I2S2 word select
8
RESET
I
Reset if low. Pull low for minimum 5 ms to cause a reset
13
BT_TX
I/O
UART Data output
14
BT_RX
I/O
UART Data input
15
GPIO_10/BT_CTS
I/O
UART clear to send, active low
Alternative Function: Programmable input/output line
16
GPIO_11/BT_RTS
I/O
UART request to send, active low
Alternative Function: Programmable input/output line
17
LED0
I/O
LED driver. (RED LED)
18
LED1
I/O
LED driver. (BLUE LED)
19
LED2
I/O
LED driver. (GREEN LED)
20
GPADC1
I/O
Analogue programmable input/output line
21
NC
22
GND
Vss
Power Ground
23
NC
24
DEBUG_RX/I2C_CLK
I/O
Debug_RX
Alternative Function2: I2C_SCL
25
DEBUG_TX/I2C_DAT
I/O
Debug_TX
Alternative Function2: I2C_SDA
26
NC
27
NC
28
NC
29
NC
30
NC
31
NC
32
GND
Vss
Power Ground
33
VBAT_IN
Vdd
Power supply voltage 3.4V~ 4.5V(Battery positive terminal)
34
VREGENABLE
I
Power enable
* Chip power on input, high level/ high pules(min 10ms) is active .
35
NC
36
NC
37
NC
38
NC
39
VCC_CHG
Vdd
Battery charger input (5V)
40
NC
41
NC
42
NC
43
MIC_P
I
Line or Microphone input positive
44
MIC_N
I
Line or Microphone input negative
45
MIC _BIAS
O
Microphone bias
46
SPK_RN
O
Speaker output negative, right
47
SPK_RP
O
Speaker output positive, right