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©2008 by RF Monolithics, Inc. ZMN2405HP- 5/20/08
ZMN2405HP Hardware
The major hardware component of the ZMN2405HP is
the CC2430 IEEE 802.15.4 compatible transceiver
with integrated 8051 microcontroller. The ZMN2405HP
operates in the frequency band of 2405 to 2475 MHz
at a nominal output power of 63 mW.
The ZMN2405HP includes a low noise preamplifier in
the receiver path and a power amplifier in the transmit
-
ter path, greatly increasing the operating range of the
CC2430. Two crystals are provided to operate the
CC2430, a 32 MHz crystal for normal operation and a
32.768 kHz crystal for precision sleep mode operation.
The ZMN2405HP provides a variety of application
hardware interfaces including an SPI interface, UART
interface, three 12-bit ADC inputs, two PWM (DAC)
outputs, and six general purpose digital I/O ports.
ZMN2405HP Firmware
The main firmware components in the ZMN2405HP
include the ZigBee protocol stack and the RFM’s CSM
standard module application profile. The ZigBee proto
-
col stack implements networking and security, with
underlying support from the 802.15.4 Media Access
Control (MAC) layer. The CSM profile provides an
application programming interface (API) for all the
ZMN2405HP application hardware interfaces. The
CSM profile includes Network Discovery, Send/Re
-
ceive Serial Data, Read/Write SPI Port, Read ADC
Inputs, Write DAC Outputs, Read/Write GPIO and
Module Configuration services. In addition, the CSM
profile provides two sleep modes - timer sleep and
interrupt sleep. See the ZMN2405HP ZigBee Module
Developer’s Kit User’s Manual for complete details of
the CSM profile API.
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Figure 1
