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STMicroelectronics Electronic Components Datasheet

SPEAr310 Datasheet

Embedded Microprocessors

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SPEAr310
Embedded MPU with ARM926 core, flexible memory support,
extended set of powerful connectivity features
Features
ARM926EJ-S 333 MHz core
High-performance 8-channel DMA
Dynamic power-saving features
Configurable peripheral functions multiplexed
on 102 shared I/Os
Memory:
– 32 KB ROM and 8 KB internal SRAM
– LPDDR-333/DDR2-666 external memory
interface
– Serial SPI Flash interface
– Flexible static memory controller (FSMC)
up to 16-bit data bus width, supporting
NAND Flash
– External memory interface (EMI) up to 32-
bit data bus width, supporting NOR Flash
and FPGAs
Connectivity
– 2 x USB 2.0 Host
– USB 2.0 Device
– 1 x fast Ethernet MII port
– 4 x fast Ethernet SMII ports
www.DataSheet4U1.coxmSPI, I2C and IrDA interfaces
– 6 x UART interfaces
– 1x TDM/E1 HDLC interface with 128/32
timeslots per frame respectively
– 2x RS485 HDLC ports
Security
– C3 Cryptographic accelerator
Miscellaneous functions
– Integrated real time clock, watchdog, and
system controller
– 8-channel 10-bit ADC, 1 Msps
– JPEG CODEC accelerator
– Six 16-bit general purpose timers with and
programmable prescaler, 4 capture inputs
– Up to 102 GPIOs with interrupt capability
LFBGA289 (15 x 15 x 1.7 mm)
Applications
The SPEAr310 embedded MPU is configurable
for a range of telecom and networking
applications such as:
Routers, switches and gateways
Remote apparatus control
Metering concentrators
Table 1. Device summary
Order code
Temp
range, °C
Package Packing
SPEAR310-2 -40 to 85
LFBGA289
(15x15 mm,
pitch 0.8 mm)
Tray
October 2009
Doc ID 16482 Rev 1
1/62
www.st.com
62


STMicroelectronics Electronic Components Datasheet

SPEAr310 Datasheet

Embedded Microprocessors

No Preview Available !

Contents
Contents
SPEAr310
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Architecture overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 CPU ARM 926EJ-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Embedded memory units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Mobile DDR/DDR2 memory controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4 Serial memory interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5 External memory interface (EMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6 Flexible static memory controller (FSMC) . . . . . . . . . . . . . . . . . . . . . . . . 10
2.7 Multichannel DMA controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.8 TDM/E1 HDLC controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.8.1 TDM interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.8.2 E1 interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.9 RS485 HDLC ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.9.1 HDLC controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.10 SMII Ethernet controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.11 MII Ethernet controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.12 USB2 host controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.13 USB2 device controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.14 GPIOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
www.DataSheet4U.com 2.15 SSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.16 I2C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.17 UARTs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.17.1 UART with hardware flow control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.17.2 UARTs with software flow control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.18 JPEG CODEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.19 Cryptographic co-processor (C3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.20 8-channel ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.21 System controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.21.1 Power saving system mode control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.21.2 Clock and reset system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.21.3 Vectored interrupt controller (VIC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2/62 Doc ID 16482 Rev 1


Part Number SPEAr310
Description Embedded Microprocessors
Maker ST Microelectronics
Total Page 30 Pages
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