Port Ease Limited ABLE42M1 User Manual
::
ABLE42M1
::
USER MANUAL v 1 .05
8
1.3
Pin Description
Table1-1 Pin Description
PIN
SIGNAL
TYPE
DESCRIPTION
1
GND
Ground
Ground reference
2
GPIO5
Input pull-high
SEL_CMD_DATA, switch HCI mode and Data Mode.
0: Low, Data transfer mode. (TRSPX Mode), 6uA
current
1: High, HCI Command mode
current
1: High, HCI Command mode
3
GPIO4
Input pull-high
No used
4
GPIO3
Input pull-high
No used
5
GPIO6
Input pull-high
UART Active
0: Low, UART interface active, 6uA current
1: High, UART interface inactive
1: High, UART interface inactive
6
GPIO7
Output
BT_STATUS, BT status output
0: Low, BT Connected
1: High, BT Disconnected
1: High, BT Disconnected
7
GPIO2
Input pull-high
No used
8
GPIO1
Input pull-high
No used
9
GND
Ground
Ground reference
10
GPIO0
Output high
No used
11 SEL_UART_SPI
Input floating
S
EL_UART_SPI, select UART/SPI interface.
(Don't floating)
0: Low, No support.
1: High, UART interface
1: High, UART interface
12
UART_TXD
Output
UART TX Pin
13
GPIO8
Input pull-low
No used
14
UART_RXD
Input pull-high
UART RX Pin
15
I2C_SCK
Output high
I2C_CLK connected with EEPROM
16
I2C_SDA
Input / Output I2C_SDA connected with EEPROM
17
VDDIO
Supply, 1.8V~3.3V VCC for IO
18
GND
Ground
Ground reference
19
RESETN
Input
Global reset, active low
0: Low, Power-Down
1: High, Power-on
1: High, Power-on
20
XO16MOUT
Output only
XO16M output