Dice Electronics LLC BT1DB 用户手册
P.O. Box 4470
Lake Tahoe, NV 89449
www.diceelectronics.com
Ph: 888.DICE.999 Fx: 775.546.6012
Page
7
Pin Symbol
I/O
Information
1
MIC IN
Analog
Microphone Input (+)
2 Vbat
Power
DC
power
(+)
3 DGND
Ground
Digital
Ground
4 DGND
Ground
Digital
Ground
5 TX
Bi-directional CMOS output,
tri-state, with weak internal
pull-up
UART data output
6
POWER
EN
Digital Power
Enable
7 RX
CMOS input with weak
internal pull-down
UART data input
8
EVENT
OUT
Digital Event
indicator
9 DGND
Ground
Digital
Ground
10 DGND
Ground
Digital
Ground
11 SPI
CSB
CMOS input with weak
internal pull-up
N/C
12 SPI
MISO
CMOS output, tri-state, with
weak internal pull-down
EEPROM SPI
13 SPI
CLK
input with weak internal pull-
down
EEPROM SPI
14 SPI
MOSI
CMOS input, with weak
internal pull-down
EEPROM SPI
15 AGND
Ground
Analog
Ground
16 AGND
Ground
Analog
Ground
17
RIGHT
AUDIO
AUDIO
OUT
Analog Right
Audio
Out
18
LEFT
LINE IN
Analog N/C
19
LEFT
AUDIO
OUT
Analog Left
Audio
Out
20
RIGHT
LINE IN
Analog N/C
21 EECS
Digital
EEPROM
Chip
Select
22
3.3V
Digital (3.3V)
Power Supply On Control Line