SPEAR320-2 STMicroelectronics, SPEAR320-2 Datasheet - Page 11

• Manufacturer Part Number: SPEAR320-2
• Description: IC MPU ARM9 289LFBGA
• Manufacturer: STMicroelectronics
• Series: SPEAr®r

Specifications of SPEAR320-2

• Processor Type: ARM Microprocessor
• Speed: 333MHz
• Voltage: 1.14 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 289-LFBGA
• Processor Series: SPEAr320
• Core: ARM926EJ-S
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 333 MHz
• Operating Supply Voltage: 1.2 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Data Ram Size: 8 KB
• Interface Type: I2C, UART, USB, Serial
• Number Of Programmable I/os: 102
• Number Of Timers: 4
• Program Memory Size: 32 KB
• Program Memory Type: ROM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-10843

SPEAr320
3
Figure 2.
3.1
NAND Flash
Mobile DDR
Debug, trace
NOR Flash
EEPROM
DDR2
FPGA
Flash
SD-Card
SDIO
MMC
Architecture overview
The SPEAr320 internal architecture is based on several shared subsystem logic blocks
interconnected through a multilayer interconnection matrix.
The switch matrix structure allows different subsystem dataflow to be executed in parallel
improving the core platform efficiency.
High performance master agents are directly interconnected with the memory controller
reducing the memory access latency. The overall memory bandwidth assigned to each
master port can be programmed and optimized through an internal efficient weighted round-
robin arbitration mechanism.
Typical system architecture using SPEAr320
CPU ARM 926EJ-S
The core of the SPEAr320 is an ARM926EJ-S reduced instruction set computer (RISC)
processor.
It supports the 32-bit ARM and 16-bit Thumb instruction sets, enabling the user to trade off
between high performance and high code density and includes features for efficient
execution of Java byte codes.
SDIO/MMC
FSMC
ETM9
JTAG
controller
EMI
memory
24 MHz
SMI
DDR
Clock, Reset
RTC
Parallel
port
32 kHz
TouchScreen
8-channel DMA
up to 333 MHz
ARM 926EJ-S
GPIO
6 timers / WD
ADC
SPEAr320
4x PWM
JPEG CODEC
Doc ID 16755 Rev 4
accelerator
accelerator
C3 Crypto
controller
LCD
3x UART
Interrupt/syst controller
8 KB embed. SRAM
32 KB embed. ROM
MMU
3x SSP
2x Ethernet
Phy
2x I2C
USB2.0 PHY
device
USB2.0 PHY
Host
USB2.0 PHY
Host
2x CAN
Internet
Access
IrdDA
Controller Automation Network
Architecture overview
CAN
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