User's Manual

Jennic
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Jennic
4 JN-DS-JN5148-001-Myy 1v1 © Jennic 2009
2. Specifications
Most specification parameters for the modules are specified in the chip datasheet - JN-DS- JN5148 Wireless
Microcontroller Datasheet, [2]. Where there are differences, the parameters are defined here.
VDD=3.0V @ +25°C
Typical DC Characteristics Notes
JN5148-001-
M00/03
JN5148-001-
M04
Deep sleep current 1.3uA 1.3uA
Sleep current 2.6uA 2.6uA With active sleep timer
Radio transmit current 15mA 110mA CPU in doze, radio transmitting
Radio receive current 17.5mA 23mA CPU in doze, radio receiving
Centre frequency accuracy +/-25ppm +/-25ppm
Additional +/-15ppm allowance for
temperature and ageing
Typical RF Characteristics Notes
Receive sensitivity -95dBm -98dBm
Nominal for 1% PER, as per
802.15.4 section 6.5.3.3 (Note 1)
Maximum Transmit power +2.5dBm 18dBm Nominal (Note 1)
Transmit power at 3.6V 20dBm With Vdd=3.6V
Maximum input signal +5dBm -5dBm
For 1% PER, measured as
sensitivity
RSSI range
-95 to -10
dBm
-105 to -20
dBm
RF Port impedance – uFl connector 50 ohm 50 ohm 2.4 - 2.5GHz
VSWR (max) 2:1 2:1 2.4 - 2.5GHz
Peripherals Notes
Master SPI port 5 selects 3 selects 250kHz - 16MHz
Slave SPI port
 
250kHz - 8MHz
Two UARTs
 
16550 compatible
Two-wire serial I/F (compatible with SMbus & I
2
C)
 
Up to 400kHz
Two programmable Timer/Counters with
capture/compare facility, Tick timer
 
16MHz clock
Two programmable Sleep Timers
 
32kHz clock
Digital IO lines (multiplexed with UARTs, timers
and SPI selects)
21 19
Four channel Analogue-to-Digital converter
 
12-bit, up to 100ks/s
Two channel Digital-to-Analogue converter
 
12-bit, up to 100ks/s
Two programmable analogue comparators
 
Ultra low power mode for sleep
Internal temperature sensor and battery monitor
 
The performance of all peripherals is defined in the JN-DS- JN5148 Wireless Microcontroller Datasheet [2]
Note 1: Sensitivity is defined for conducted measurements on connectorised modules. Modules with an integrated
antenna have approximately 4 dB less e.i.r.p and reciprocal receive sensitivity.