User's Manual

JOYMAX MD100A Data Sheet
V1.02
4
2. Specifications
VDD=3.0V @ +25°C
Typical DC Characteristics Notes
Deep Sleep Current 1.6uA
Sleep Current 2.6uA With active sleep timer
Radio Transmit Current 37mA CPU in doze, radio transmitting
Radio Receive Current 37mA CPU in doze, radio receiving
Centre Frequency Accuracy ±20ppm
Additional ±20ppm allowance for
temperature and ageing
Typical RF Characteristics Notes
Receive Sensitivity -96dBm
Nominal for 1% PER, as per
802.15.4 section 6.5.3.3 (Note 1)
Maximum Transmit Power
(without PIFA Antenna)
+1.5dBm Nominal (Note 1)
Maximum Transmit Power +4.5dBm (Note 1)
Transmit Power 4.56dBm
Maximum Input Signal 0dBm For 1% PER, measured as sensitivity
RSSI range -95 to -10dBm
RF Port Impedance
-PIFA Antenna
50 ohm 2.4 - 2.5GHz
VSWR (Max) 2:1 2.4 - 2.5GHz
Peripherals Notes
Master SPI Port 5 selects 250kHz - 16MHz
Slave SPI Port
9
250kHz - 8MHz
Two UARTs
9
16550 compatible
TwoWire Serial I/F
(Compatible with SMbus & I
2
C)
9
Up to 400kHz
Two Programmable Timer/Counters
with Capture/Compare Facility, Tick Timer
9
16MHz clock
Two Programmable Sleep Timers
9
32kHz clock
Digital IO Lines
(Multiplexed with UARTs, Timers and SPI Selects)
9
Four Channel Analogue-to-Digital Converter
9
12-bit, up to 100ks/s
Two Channel Digital-to-Analogue Converter
9
11-bit, up to 100ks/s
Two PProgrammable Analogue Comparators
9
Ultra low power mode for sleep
Internal Temperature Sensor and Battery Monitor
9
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.