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Amp'ed RF Technology BT-AP 111 Manual de usuario Pagina 8

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BT-11 Datasheet
Phone: +1 408 213-9530 | Fax: 408-213-9533 | E-mail: info@ampedrftech.com 8
Address : 1879 Lundy Ave, ste. 138, San Jose, CA 95131
电话：+86 022-83945100 | 传真：+86 022-83945100转111 | E-mail: infocn@ampedrftech.com
地址：天津市华苑产业区海泰西路18号西3B-202（300384）
3.4 I/O Operating Characteristics
Symbol
Parameter
Min
Max
Unit
Conditions
V
IL
Low-Level Input Voltage
-
0.9
Volts
V
IN
, 3.0V
V
IH
High-Level Input Voltage
2.1
-
Volts
V
IN
, 3.0V
V
OL
Low-Level Output Voltage
-
0.4
Volts
V
IN
, 3.0V
V
OH
High-Level Output Voltage
2.2
-
Volts
V
IN
, 3.0V
I
OL
Low -Level Output Current
-
8.0
mA
V
OL
= 0.4 V
I
OH
High-Level Output Current
-
8.0
mA
V
OH
= 2.2 V
R
PU
Pull-up Resistor
50
150
KΩ
Resistor Turned On
R
PD
Pull-down Resistor
50
150
KΩ
Resistor Turned On
3.5 Selected RF Characteristics
Parameters
Conditions
BT Spec
Typical
Unit
Antenna load
50
Ohm
Radio Receiver
Sensitivity level
BER < .001 with DH5
≤ -70
-94
dBm
Maximum usable level
BER < .001 with DH1
≥ -20
-9
dBm
Input VSWR
2.5:1
Radio Transmitter
Maximum output power
50 Ω load
<+20
+15
dBm
Initial Carrier Frequency Tolerance
± 75
0
kHz
20 dB Bandwidth for modulated carrier
≤ 1000
932
kHz
3.6 Pin Assignment
Name
Type
Pin #
Description
ALT Function
UART Interface
RXD
I
8
Receive data
TXD
O
6
Transmit data
CTS
I
9
Clear to send (active low)
RTS
O
10
Request to send (active low)
Boot Loader
Boot 0
I
2
Reserved
Power and Ground
V
DD
24
V
DD
GND
23
GND
Reset
RESETN
I
3
Reset input (active low for 5 ms);
GPIO – General Purpose Input/Output
GPIO [0]
I/O
16
General Purpose Input/Output
SPI MISO
GPIO [1]
I/O
17
General Purpose Input/Output
SPI MOSI
GPIO [2]
I/O
19
General Purpose Input/Output
SPI SS
GPIO [3]
I/O
1
General Purpose Input/Output
SPI CLK
GPIO [4]
I/O
18
General Purpose Input/Output
UART 2 RXD
GPIO [5]
I/O
20
General Purpose Input/Output
UART 2 TXD
GPIO [6]
I/O
22
General Purpose Input/Output
ADC 0
GPIO [7]
I/O
13
General Purpose Input/Output
ADC 1
GPIO [8]
I/O
4
General Purpose Input/Output
ADC 2
GPIO [9]
I/O
7
General Purpose Input/Output
ADC 3
GPIO [10]
I/O
5
General Purpose Input/Output
GPIO [11]
I/O
11
General Purpose Input/Output
I2C SCL
GPIO [12]
I/O
12
General Purpose Input/Output
I2C SDA
GPIO [13]
I/O
15
General Purpose Input/Output
GPIO [14]
I/O
14
General Purpose Input/Output
GPIO [15]
I/O
21
General Purpose Input/Output
DAC
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