MC13192_08 Datasheet, PDF (4/24 Pages) Freescale Semiconductor, Inc – 2.4 GHz Low Power Transceiver for the IEEE 802.15.4 Standard

Block Diagrams
3 Block Diagrams
Figure 1 shows a simplified block diagram of the MC13192 which is an 802.15.4 Standard compatible
transceiver that provides the functions required in the physical layer (PHY) specification.
R F IN +
R F IN -
V DDLO 2
XTAL1
XTAL2
V DDLO 1
PAO+
PAO-
1 s t IF M ix er
LN A IF = 6 5 M Hz
2nd IF M ix er
IF = 1 M Hz P M A
Dec im ation B as e band M atc hed
F ilter
M ix er
F ilter
CCA
DC D
Packet
P roc e s s or
Pow er-U p
C ontrol
L o g ic
÷4
256 M Hz
Cry s tal
O s c illator
16 M Hz
PA
P has e S h ift M o dulato r
AGC
Program m able
Pres caler
R ec eiv e
Packet RAM
R ec eiv e R AM
A rbiter
24 Bit Ev ent T im er
Sequence
M anager
(C o ntrol L ogic )
4 Program m able
T im er C o m parators
S y n th e size r
2.45 GHz
V CO
T rans m it
Packet RAM 2
T rans m it
Packet RAM 1
T rans m it R AM
A rbite r
Sy m bol
G ene ra tion
FCS
G e neratio n
Header
G ene ra tion
A n a lo g
R egulator
D ig ita l
R egulator L
D ig ita l
R e gulato r H
C ry s tal
R egulator
VCO
R egulator
IR Q
A rbiter
VDDA
VBATT
V DDIN T
VDDD
VDDVC O
R XT XEN
CE
M OSI
M IS O
S P IC L K
ATTN
R ST
G P IO 1
G P IO 2
G P IO 3
G P IO 4
G P IO 5
G P IO 6
G P IO 7
IR Q
C LKO
Figure 1. MC13192 Simplified Block Diagram
Figure 2 shows the basic system block diagram for the MC13192 in an application. Interface with the
transceiver is accomplished through a 4-wire SPI port and interrupt request line. The media access control
(MAC), drivers, and network and application software (as required) reside on the host processor. The host
can vary from a simple 8-bit device up to a sophisticated 32-bit processor depending on application
requirements.
MC13192
Analog Receiver
Control
Logic
SPI
and GPIO
Microcontroller
SPI
ROM
(Flash)
Frequency
Generation
Analog
Transmitter
Voltage
Regulators
Power Up
Management
Buffer RAM
RAM
CPU
A/D
Application
Network
MAC
PHY Driver
Figure 2. System Level Block Diagram
MC13192 Technical Data, Rev. 3.3
4
Freescale Semiconductor