Datasheet > AT91SAM7SE512_08

AT91SAM7SE512_08

更新时间： 2022-12-22 22:02:26

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
47页	1238K
描述
Incorporates the ARM7TDMI ARM Thumb Processor

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AT91SAM7SE512_08 数据手册

AT91SAM7SE512/256/32 Preliminary Summary

3. Signal Description

Table 3-1.

Signal Description List

Active

Level

Signal Name

Function

Type

Comments

Power

Voltage Regulator and ADC Power

Supply Input

VDDIN

Power

3V to 3.6V

VDDOUT

VDDFLASH

VDDIO

Voltage Regulator Output

Flash and USB Power Supply

I/O Lines Power Supply

Core Power Supply

PLL

Power

Ground

1.85V

3V to 3.6V

3V to 3.6V or 1.65V to 1.95V

1.65V to 1.95V

VDDCORE

VDDPLL

GND

Ground

Clocks, Oscillators and PLLs

XIN

Main Oscillator Input

Main Oscillator Output

PLL Filter

Input

Output

Input

XOUT

PLLRC

PCK0 - PCK2

Programmable Clock Output

Output

ICE and JTAG

TCK

Test Clock

Input

No pull-up resistor

TDI

Test Data In

TDO

Test Data Out

Test Mode Select

JTAG Selection

Output

Input

TMS

No pull-up resistor.

Pull-down resistor⁽¹⁾

JTAGSEL

Input

Flash Memory

Flash and NVM Configuration Bits Erase

Command

ERASE

Input

High

Pull-down resistor ⁽¹⁾

Reset/Test

NRST

TST

Microcontroller Reset

Test Mode Select

I/O

Low

Open drain with pull-up resistor ⁽¹⁾

Pull-down resistor ⁽¹⁾

Input

High

Debug Unit

DRXD

DTXD

Debug Receive Data

Debug Transmit Data

Input

Output

AIC

IRQ0 - IRQ1

FIQ

External Interrupt Inputs

Fast Interrupt Input

Input

6222ES–ATARM–04-Jan-08

1 2 3 456 7 8...47

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