MC13202_08 Datasheet, PDF (4/30 Pages) Freescale Semiconductor, Inc – 2.4 GHz Low Power Transceiver for the IEEE 802.15.4 Standard

2.1.2 802.15.4 Standard-Compliant MAC
• Supports star, mesh and cluster tree topologies
• Supports beaconed networks
• Supports GTS for low latency
• Multiple power saving modes (idle doze, hibernate)
2.1.3 ZigBee-Compliant Network Stack
• Supports ZigBee 1.0 specification
• Supports star, mesh and tree networks
• Advanced Encryption Standard (AES) 128-bit security
3 Block Diagrams
Figure 1 shows a simplified block diagram of the MC13202 which is an 802.15.4 Standard compatible
transceiver that provides the functions required in the physical layer (PHY) specification.
RFIN_P
(PAO_P)
RFIN_M
(PAO_M)
CT_Bias
VDDLO2
T/R
XTAL1
XTAL2
VDDLO1
PAO_P
PAO_M
1st IF Mix er
LNA IF = 65 MHz
2nd IF Mix er
IF = 1 MHz PMA
Decimation Baseband Matched
Filter
Mix er Filter
CCA ^DCD
Packet
Processor
Pow er-Up
Control
Logic
÷4
256 MHz
AGC
Programmable
Prescaler
Receiv e
Packet RAM
Receiv e RAM
Arbiter
24 Bit Ev ent Timer
Sequence
Manager
(Control Logic)
Analog
Regulator
Digital
Regulator L
Digital
Regulator H
Cry stal
Regulator
VCO
Regulator
Crys tal
Os cillator
16 MHz
4 Programmable
Timer Comparators
Sy nthesizer
2.45 GHz
VCO
Transmit
Packet RAM 2
Transmit
Packet RAM 1
Transmit RAM
Arbiter
Sy mbol
Generation
IRQ
Arbiter
PA
Phase Shift Modulator
FCS
Generation
Header
Generation
VDDA
VBATT
VDDINT
VDDD
VDDVCO
RXTXEN
CE
MOSI
MISO
SPICLK
ATTN
RST
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
IRQ
CLKO
Figure 1. 802.15.4 Modem Simplified Block Diagram
MC13202 Technical Data, Rev. 1.4
4
Freescale Semiconductor