AT91SAM9G45(2009) Просмотр технического описания (PDF) - Atmel Corporation

Номер в каталоге

Компоненты Описание

производитель

AT91SAM9G45
(Rev.:2009)

AT91 ARM Thumb-based Microcontrollers

Atmel Corporation 

AT91SAM9G45

Revision History

In the tables that follow, the most recent version appears first.

Doc. Rev

6438D

Comments

Introduction:

“Features” part was edited.

LFBGA replaced by TFBGA in “Features” part and Section 4.1

Section 3. “Signal Description”, Table 3-1 , Touch Screen Analog-to-Digital Converter9 part, was edited.

VDDCORE removed from “Ground pins GND are common to...” sentence in Section 5.1 “Power

Supplies”

Section 6.3 “I/O Drive Selection and Delay Control” was added.

Figure 6.3 was removed.

0x00500000 changed into 0x00400000 in Section 6.2.3 “Internal ROM”.

FAST and SLOW changed into High and Low in Section 6.3.1 “I/O Drive Selection”

AT91SAM9G45 Debug and Test:

Value 0x819B 05A1 changed into 0x819B 05A1 in Section 10.6.4 “Debug Unit”

Boot strategies:

Section 11.4.3.1 “NAND Flash Boot”, and Table 11-3, CS0 changed into CS3.

Section 11.4.3.4 “TWI EEPROM Boot” and Table 11-3, TWI, TWD and TWCK changed into TWI0, TWD0

and TWCK0.

DDR/SDR SDRAM Controller (DDRSDRC):

Watermarks removed from Section 22. “DDR/SDR SDRAM Controller (DDRSDRC)”.

Electrical Characteristics:

A “Core Power Supply POR Characteristics” section has been added at the end of Section 46.

“AT91SAM9G45 Electrical Characteristics”.

Section 46.8 “PLL Characteristics” , a Startup Time (T) line was added to Table 46-14 and Table 46-16.

2 values were added to Clock Characteristics Table 46-4 and Table 46-5.

The following sections were added: Section 46.13 “SMC Timings”, Section 46.14 “DDR2SDRC Timings”,

Section 46.15 “Peripheral Timings”

5 ripple values added to Table 46-2 on page 1101.

Figure 46-5 and Figure 46-6 titles reversed.

Maximum Operating Voltage values edited in Table 46-1 on page 1101.

Table 46-2 on page 1101 updated:

- VT- and VT+ edited; VHYS added.

- IO ranges edited.

- Isc max value changed into ‘TBD’.

Table 46-17 on page 1110, and Note below, edited.

Section 46.10, I/O Drive Level, removed.

External Memories:

Section 20.2.6.1 “2x8-bit DDR2” title changed (was ‘16-bit DDR2’)

Section 20.3.8.2 “16-bit LPDDR on EBI” added

Change

Request

Ref.

6715

RFO

6647

RFO

6702

6715

6715

6682

RFO

6664

6672

6637

6689

6769

RFO

6741

6438D–ATARM–13-Oct-09

1139

Share Link: