AT91SAM9G20B-CFU Просмотр технического описания (PDF) - Atmel Corporation

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производитель

AT91SAM9G20B-CFU

AT91 ARM Thumb Microcontrollers

Atmel Corporation 

AT91SAM9G20 Summary

3. Signal Description

Table 3-1. Signal Description List (Continued)

Signal Name

VDDIOM

VDDIOP

VDDBU

VDDANA

VDDPLL

VDDOSC

VDDCORE

VDDUSB

GND

GNDANA

GNDBU

GNDUSB

GNDPLL

XIN

XOUT

XIN32

XOUT32

OSCSEL

PCK0 - PCK1

SHDN

WKUP

NTRST

TCK

TDI

TDO

TMS

JTAGSEL

RTCK

Function

Type

Power Supplies

EBI I/O Lines Power Supply

Power

Peripherals I/O Lines Power Supply

Power

Backup I/O Lines Power Supply

Power

Analog Power Supply

Power

PLL Power Supply

Power

Oscillator Power Supply

Power

Core Chip Power Supply

Power

USB Power Supply

Power

Ground

Ground

Analog Ground

Ground

Backup Ground

Ground

USB Ground

Ground

PLL Ground

Ground

Clocks, Oscillators and PLLs

Main Oscillator Input

Input

Main Oscillator Output

Output

Slow Clock Oscillator Input

Input

Slow Clock Oscillator Output

Output

Slow Clock Oscillator Selection

Input

Programmable Clock Output

Output

Shutdown, Wakeup Logic

Shutdown Control

Output

Wake-up Input

Input

Test Reset Signal

Test Clock

Test Data In

Test Data Out

Test Mode Select

ICE and JTAG

Input

Input

Input

Output

Input

JTAG Selection

Input

Return Test Clock

Output

Active

Level

Comments

1.65V to 1.95V or 3.0V to 3.6V

1.65V to 3.6V

0.9V to 1.1V

3.0V to 3.6V

0.9V to 1.1V

1.65V to 3.6V

0.9V to 1.1V

1.65V to 3.6V

Accepts between 0V and

VDDBU.

Accepts between 0V and

VDDBU.

Low

Pull-up resistor

No pull-up resistor

No pull-up resistor

No pull-up resistor

Pull-down resistor. Accepts

between 0V and VDDBU.

5

6384CS–ATARM–11-Mar-09

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