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MT1020A 데이터시트 PDF




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부품번호 MT1020A 기능
기능 Bluetooth Baseband Controller
제조업체 Zarlink Semiconductor
로고 Zarlink Semiconductor 로고


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MT1020A 데이터시트, 핀배열, 회로
MT1020A
Bluetooth™ Baseband Controller
Product Brief
Features
PB5630
ISSUE 2.0
September 2001
Bluetooth v1.1 compliant Link Controller
• Programmable Radio Interface including BlueRF
• Full Bluetooth Protocol Stack up to HCI
Ordering Information
MT1020A/IG/BP1N 121-pin SSBGA
• Full Duplex Audio CODEC including filtering
based microcontroller with on-chip memory, a full
• Linear PCM to log PCM and CVSD conversion
duplex voice CODEC and a dedicated Bluetooth
• Advanced Block Power Management
• Embedded ARM7TDMI™ Microcontroller Core
m• Configurable l/O supply 1.8 to 3.6V
• 1.8V internal supply option for Low Power
o• IP Hardware and Software available for
.cembedded applications
• Single CPU Bluetooth system capability
UApplications
t4• Wireless Headsets
• Wireless Accessories
e• Cellular Phones
• Automotive
e• PDA, Laptop Computers
h• Digital Cameras
SDescription
taThe MT1020A is a complete Bluetooth baseband
processor It combines an advanced ARM7TDMI
Baseband Peripheral (BBP) block.
The BBP implements all the time-critical elements of
Bluetooth communication in hardware, with minimal
involvement by the microcontroller. Relieving the
on-chip processor of these repetitive tasks makes it
possible for the MT1020A to run entire applications
without an external host processor. A UART
Interface is provided for use when operation with an
an external host processor is required.
Comprehensive power management maximises
battery life for portable applications making the
MT1020A particularly suitable for low power
applications, especially those involving voice traffic.
Absolute Maximum Ratings
Supply voltage (VDD )
-0.5V to +5V
Input voltage
Output voltage
Static discharge (HBM)*
-0.5V to OpVDD +0.5V
-0.5V to OpVDD +0.5V
2kV
Storage temperature, TSTG
-55°C to +150°C
* Human Body Model
.DaMic
Earphone
Linear
PCM
wwHost
wUART
AUDIO
CODEC
HOST
UART
QUEUE
MANAGEMENT
BLOCK
HOST
INTERFACE
BUFFER
RAM
BLUETOOTH
LINK
CONTROLLER
VOICE ENCODING
TRANSLATOR
SYSTEM BUS
INTERFACE
Radio
Interface
Bluetooth Baseband
Peripheral (BBP) Block
System
RAM
External
Memory
Bus
GPIO
Embedded Microcontroller
GPIO
Ext'l Interrupt
Ints Controller
Watchdog
Memory/Peripheral
Controller
UART1
UART1
BSIO
BSIO
DMA
Timer/
counter
ARM7TDMI
Figure 1 - MT1020A Block Diagram
SSM
Test &
Debug
1




MT1020A pdf, 반도체, 판매, 대치품
MT1020A Preliminary Information
Signal Name
Radio Interface
RI_SYS_CLK
RI_CTR3
RI_TXDRXD
Pin
(see notes)
I/O Type
L7 I
J7 I/O
G6 I/O(hd)
RI_RXD
L5 I
RI_NRESET
RI_CTR2
RI_NSEN
RI_SBBO
RI_SBBI
RI_SCLK
RI_CTR1
RI_CTR0
Linear PCM Interface
LIN_PCM_IN
LIN_PCM_OUT
LIN_PCM_FRM
LIN_PCM_CLK
CODEC Interface
EAR_PLUS
EAR_MINUS
MIC_MINUS
MIC_PLUS
VREF
K8
G7
H7
L6
J6
H6
H5
J5
F2
F5
G3
G2
J11
J10
L9
K9
K10
I/O(pu)
I/O
O
I/O
I
O
I/O(pd)
O
I(hd)
O
I/O(hd)
I/O(hd)
AO
AO
AI
AI
AO
PLL Analogue Test
PLL_AT1
E5
Power Supplies
GNDP
VDDP
GND
L11
K11
A6: B2: D1:
D11: F1:
G11: K6
Qty Description
1 System Clock Input
1 Bi-directional Radio Interface Control Signal 3
1 Radio Transmit Data Output.
(Receive Data input in Bi-Di pin mode)
1 Radio Receive Data Input
(Uni-directional pin mode)
1 Radio Reset
1 Bi-directional radio interface control signal 2
1 Active low radio serial interface enable
1 Radio Serial Transfer Data Output
1 Radio Serial Transfer Data Input
1 Radio Serial Transfer Clock
1 Bi-directional Radio Interface Control Signal 1
1 Bi-directional Radio Interface Control Signal 0
1 16bit Linear PCM Input stream
1 16bit Linear PCM Output stream
1 16bit Linear PCM Frame Sync Master / Slave
1 16bit Linear PCM Clock Master / Slave
1 Earpiece audio positive differential output
1 Earpiece audio negative differential output
1 Microphone audio negative differential input
1 Microphone audio positive differential input
1 Audio CODEC Vref decoupling capacitor pin;
100nF to AGND
1 Phase Lock Loop 1 Analogue Test Pin
DO NOT CONNECT
1 CODEC Output amplifier ground
1 CODEC Output amplifier VDD
7 Common Ground
VDDA
L8 1 CODEC Analog VDD
Table 1 - Pin Descriptions (continued)
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MT1020A 전자부품, 판매, 대치품
Preliminary Information MT1020A
Circuit Description
General
The MT1020A is a complete Bluetooth Baseband
processor. When used with the Zarlink-supplied
firmware and an appropriate radio transceiver it forms
a complete low power Bluetooth solution.
The MT1020A features :
• ARM7TDMI Embedded Microcontroller
• Dedicated Bluetooth Baseband Peripheral block
• Full Duplex Audio CODEC
• 20KB System RAM
Low Power Architecture
The architecture is designed for ultra low power
applications. This is achieved by:
• Minimising the processor overhead, allowing
internal system clock speeds to be reduced to
as low as 5MHz
• Having a dedicated Bluetooth bus for data
packet DMA transfers
• A system partition that decodes Bluetooth
packets in hardware
• Operating internal core with a 2V supply
• Low-power CODEC for voice applications
Bluetooth Baseband Peripheral
The Bluetooth Baseband Peripheral (BBP) sub
system performs all time critical Bluetooth
operations, with minimal processor overhead. It
works as a slave peripheral device connected to the
on-board Microprocessor.
The block includes the Link Controller hardware
required to communicate with other Bluetooth
devices via a radio IC, a queue manager system with
RAM to store packets of data, a host interface and a
CODEC. Once configured, the Bluetooth Baseband
Peripheral block can automatically transport packets
between a host interface and the Bluetooth radio,
without interaction with the processor
Bluetooth Link Controller
The Bluetooth Link Controller controls the Bluetooth
radio. The Link controller has a programmable Radio
interface enabling it to work with a number of
different Bluetooth Radio Transceivers. Within the
Link Controller payload data is assembled into data
packets for transmission and extracted from received
data. Packets are assembled/decoded with
preamble, sync words, headers and CRCs. Data
whitening is performed; encryption is optional.
Queue Manager Block
This block performs intelligent DMA transfers
between a dedicated Bluetooth data buffer RAM and
the Bluetooth link controller, the host interface and
the voice interface. It understands and translates
between different Bluetooth packet formats, and
performs payload data queue management. The
MT1020A has 12KB of Data Buffer RAM.
Host Interface
The host interface manages the communication
between the MT1020A and an external host
processor. It handles the assembly and decoding of
Host Controller Interface (HCI) packets. The
MT1020A supports communication with the external
host using a high speed host UART.
Audio CODEC
The full duplex CODEC includes a microphone
amplifier and earpiece driver, together with filtering
to ITU-T G712.
Embedded Microcontroller Core
The Embedded Microcontroller, in addition to
configuring and controlling the Bluetooth Baseband
Peripheral block, has the capability to run complete
applications, including the Bluetooth Protocol
Stacks. This capability eliminates the need for an
external host processor, making the MT1020A
particularly suitable for stand-alone applications,
where an external processor is not available.
The Microcontroller consists of an ARM7TDMI CPU
and the following general purpose peripheral blocks :
• Peripheral Controller
• Serial I/O
• Interrupt Controller
• 2 Counter/Timers
• DMA Controller
• UART
ARM7TDMI Processor
The ARM7TDMI RISC processor contains the ARM7
32-bit core and with the Thumb® instruction
decompressor supporting 16-bit instructions, debug
extensions, fast multiplier and the ICEBreaker™
extension.
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관련 데이터시트

부품번호상세설명 및 기능제조사
MT1020A

Bluetooth Baseband Controller

Zarlink Semiconductor
Zarlink Semiconductor

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