bcm1104 Broadcom Corp., bcm1104 Datasheet - Page 2
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bcm1104
Manufacturer Part Number
bcm1104
Description
Bcm1104 - Gigabit Ip Phone Chip
Manufacturer
Broadcom Corp.
Datasheet
1.BCM1104.pdf
(2 pages)
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The Broadcom BCM1104 IP phone chip enables manufacturers to build
IP phones with hardware security and best-in-class voice quality.
The chip also integrates a Gigabit Ethernet (10/100/1000 Mbps) switch
and two Fast Ethernet (10/100 Mbps) transceivers, allowing for the
optional development of traditional Fast Ethernet IP phone designs
without the additional cost of adding external transceivers. With the
addition of external Gigabit Ethernet transceivers, manufacturers can
easily upgrade their designs to create Gigabit Ethernet IP phone models.
The BCM1104 integrates Broadcom's BroadSAFE™ security
technology, which performs voice encryption and authentication and
elevates the phone's system security using a unique identifier embedded
in each chip that is virtually impossible to decode, hack, or steal, thereby
providing assurance that the identity of each phone in the network is
genuine.
The chip's high-performance RISC processor supports Broadcom's field-
proven PhonexChange IP telephony software suite. PhonexChange
includes a wide variety of narrowband and wideband voice coders,
Broadcom
BroadSAFE™ are among the trademarks of Broadcom Corporation and/or its affiliates in the United States,
certain other countries and/or the EU. Any other trademarks or trade names mentioned are the property of
their respective owners.
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2005 by BROADCOM CORPORATION. All rights reserved.
1104-PB201-R
®
, the pulse logo, Connecting everything
10/21/05
Regulators
Voltage
Analog Processor Module
ADC for Touch Screen
SPI Port
MUX
MUX
Master
10/100BT PHY
10/100BT PHY
MUX
MUX
®
RGMII
RGMII
Watchdog
Timer
Boot memory
16 bit D/A
16 bit A/D
16 bit D/A
16 bit A/D
for NAND
®
FLASH
, the Connecting everything logo, BroadVoice
Peripheral Bus
port 0
port 1
security engine
Ethernet LED
18 GPIOs
BroadSAFE
Driver
MIPS JTAG
10/100/1000 Ethernet
O V E R V I E W
Switch
3 Port
Controller
External
Interrupt
+ 16K I-Cache
+ 8K D-Cache
64KB Buffer
MIPS32 CPU
Memory
®
including Broadcom's high-fidelity BroadVoice
full-duplex speakerphone algorithm, advanced jitter buffer management
and packet loss concealment techniques, and a complete library of
standard telephony algorithms required for IP phone designs. The RISC
processor further allows customers to add product-differentiating
application software
The chip integrates a variety of IP phone peripherals including
wideband-capable analog codecs (coder/decoder) with integrated
amplifiers, IrDA, USB host, and a touch screen digitizer. It also provides
flexible interfaces for external peripherals and memory types. This high
level of integration reduces the phone's bill of material (BOM) costs and
enables phone vendors to build scalable IP phone solutions using a single
architecture.
Associated devices:
• BCM2035 Bluetooth Single-Chip HCI Solution
• BCM5461 10/100/1000BASE-T Gigabit Copper Transceiver
• BCM4318 WLAN
, and
Keyscan Controller
(or 18 GPIOs)
port 2
Control
Bridge
UPB
DMA
DDR SDRAM
Multi-function
boot memory
UART 1
NAND Flash
UART 2
EHSS-1
EHSS-2
Enc/Dec
Peripheral
USB
Host
Interface
Interface
IrDA
BT
Phone: 949-450-8700
Fax: 949-450-8710
E-mail: info@broadcom.com
Web: www.broadcom.com
EPROM
SDRAM
Flash/
NAND
Flash
DDR
®
codec, a high quality