connectBlue cB-0922, Electrical & Mechanical Datasheet

Page: 13 / 47

Section 2.4 - Electrical Interface and Connectors.Characteristics
Version 1.3 - 2009-12 13
2.4.2 Input/Output signals
Table 5: Input/output signals
Symbol Parameter Value Unit
Min -0.5 V Logic LOW level input voltage except the
RESET
signal
Max 0.9 V
Min -0.5 V
V
IN
Low
Logic LOW level input voltage
RESET
signal
Max 0.3 V
Min 1.8 V Logic HIGH level input voltage on all logic
input pins except the
RESET
signal
Max 3.5 V
Min 2.7 V
V
IN
High
Logic HIGH level input voltage
RESET
signal
Max 3.5 V
V
OUT
Low Logic LOW level output voltage Max 0.6 V
V
OUT
High Logic HIGH level output voltage Min 2.3 V
I
GPIO
Sink and source current Max 4 mA
Min 20 k
Ω
R
PU
I/O Pull-up resistor
Max 50 k
Ω
Min 9 k
Ω
R
RST
Reset Pull-up resistor
Max 13 k
Ω
2.4.3 RF specification
Table 6: RF information
Symbol Parameter Value Unit
Min 11 Channels
Max 26
Min 2405 MHz f Frequency range
Max 2480 MHz
∆
f Channel separation Typ 5 MHz
f
bit
Bit rate Typ 250 kbit/s
f
Chip
Chip rate Typ 2000 kchip/s
Max 4dBm dBm P
TX
RF output power
Min -2 dBm
Output power range Typ 20 dB
Receive sensitive level Typ -100 dBm
Receive input level Max 10 dBm