Texas Instruments TI SITARA manual AM1707/1705 microprocessors, Cpu

AM1707/1705 microprocessors

Features

￿CPU Cores

– ARM926EJ-S™ (MPU) up to 450 MHz
	ARM9
￿ Memory	Subsystem

The boxes with yellow border are features found in AM1707 and not in AM1705

–ARM:

		– 16KB – L1 Program Cache			1024x1024
		– 16KB – L1 Data Cache	ARM			LCD
	– On-chip 128KB RAM
			926EJ-S
	–	SDRAM
			CPU	PRU			128KB
￿	Peripherals (1.8/ 3.3V IOs)					LCDLCD
						Controller	RAM
	–	10/100 Ethernet MAC

–EMIFA – Supports Async/NAND Flash (8/16-bit)

–EMIFB – Supports 133 MHz SDRAM (16/32-bit)

–	USB 2.0 OTG	Switched Central Resource (SCR) / EDMA
– USB 1.1 H/D (AM1707 only)
￿ Power (1.0-1.2V Core, 1.8/3.3V IOs)		Peripherals High Speed	Buttons and
–	Total Power < 270mW @ 300MHz, 1.2V, 70C		Knobs
		Connectivity	System
–	Standby Power < 62mW @ 1.2V/ 25C

eCAP/

WD

USB2.0

USB

eQEP

(1)

HRPWM

￿ Package

EMAC

HPI

PWM

HS

1.1

(2)

Timer

(3)(3)

(3)(3)

– 17x17mm BGA (1.0mm) (AM1707 only)

(2)

– 26x26mm QFP (1.0mm), 176 Pins (AM1705 only)

Internet

– Extended Temperature Grade Options

Program/Data Storage

Serial Interfaces

•

Commercial (0C to 90C)

EMIFA

EMIFB

•

Industrial (-40 to 90C)

SPI McASP I2C UART

NAND/

SDRAM MMC/SD

•

Extended (-40C to 105C)

(2)

(3)

(2)

(3)

SDRAM

32-bit

(1)

• Automotive (-40C to 125C) (AM1707 only)

Bluetooth

16-bit

(BGA ONLY)

– Pin to pin compatible processors:

Connectivity

•

AM1707/AM1705/OMAP-L137

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