Atech OEM Inc. BL4011 用户手册
Version 1.2
Atech OEM Inc.
7F, AAEON Building, N0.43, Sec. 4, Keelung Rd., Taipei City 10607, Taiwan, R.O.C.
Tel: 886-2-2377-0282 Fax:886-2-2377-0283 www.atechoem.com/wl Page.
9
4.3 Pin Definition:
Pin
Name
Type
Note
1 GND
Passive Ground
2 RF
In/Out RF
Port
3 GND
Passive Ground
4
WAKE
In
Wake up BL-4011
If in Hibernate or Dormant mode.
5 AIO2
In/Out Analog
I/O
6 AIO1
In/Out Analog
I/O
7 AIO0
In/Out Analog
I/O
8
PIO0 / UART Tx
In/Out
General Purpose I/O
9
PIO1 / UART Rx
In/Out
General Purpose I/O
10
PIO3
In/Out
General Purpose I/O
11
PIO4
In/Out
General Purpose I/O
12
SPI CLK
In/Out
Internal Testing Use
13
SPI CSB
In
Internal Testing Use
14
SPI MOSI
Out
Internal Testing Use
15
SPI MISO
In
Internal Testing Use
16
PIO9
In/Out
General Purpose I/O
17
PIO10
In/Out
General Purpose I/O
18
PIO11
In/Out
General Purpose I/O
19
SPI / PIO # SEL
In
Function Selection
20
PIO2
In/Out
General Purpose I/O
21
I2C SCL
In/Out
I2C Clock In/Out
22
I2C SDA
In/Out
I2C Data In/Out
23 VDD
Power Main
Power
Supply
24 GND
Passive Ground