Datasheet > AT91SAM7SE256

AT91SAM7SE256

更新时间： 2023-12-06 19:52:06

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
682页	5953K
描述
Microchip's ARM?-based SAM7SE256 is a member of the SAM7SE series of flash microcontrollers based

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AT91SAM7SE256 数据手册

2. Block Diagram

Figure 2-1. SAM7SE512/256/32 Block Diagram Signal Description

TDI

TDO

TMS

TCK

ICE

ARM7TDMI

Processor

JTAG

SCAN

JTAGSEL

1.8V

Voltage

Regulator

VDDIN

GND

VDDOUT

System Controller

AIC

TST

FIQ

VDDCORE

VDDIO

Memory Controller

IRQ0-IRQ1

Embedded

Flash

Controller

SRAM

32 Kbytes (SE512/256)

Address

Decoder

PDC

DRXD

DTXD

8 Kbytes (SE32)

DBGU

Abort

Status

Misalignment

Detection

PDC

PCK0-PCK2

PLLRC

VDDFLASH

ERASE

Flash

Memory Protection

512 Kbytes (SE512)

256 Kbytes (SE256)

32 Kbytes (SE32)

PLL

Unit

XIN

XOUT

OSC

PMC

RCOSC

Peripheral Bridge

VDDFLASH

VDDCORE

BOD

POR

ROM

Reset

Controller

Peripheral DMA

Controller

11 Channels

VDDCORE

NRST

PGMRDY

PGMNVALID

PGMNOE

Fast Flash

Programming

Interface

PGMCK

PGMM0-PGMM3

PGMD0-PGMD15

PGMNCMD

PIT

APB

PGMEN0-PGMEN1

WDT

RTT

SAM-BA

PIOA

PIOC

D[31:0]

A0/NBS0

A1/NBS2

EBI

PIOB

A[15:2], A[20:18]

A21/NANDALE

A22/REG/NANDCLE

A16/BA0

A17/BA1

NCS0

NCS1/SDCS

NCS2/CFCS1

NCS3/NANDCS

NRD/CFOE

NWR0/NWE/CFWE

NWR1/NBS1/CFIOR

NBS3/CFIOW

SDCKE

RXD0

TXD0

SCK0

RTS0

CTS0

RXD1

TXD1

SCK1

RTS1

CTS1

DCD1

DSR1

DTR1

RI1

PDC

USART0

USART1

CompactFlash

NAND Flash

PDC

SDRAM

Controller

RAS

CAS

SDWE

SDA10

PDC

NPCS0

NPCS1

NPCS2

NPCS3

MISO

MOSI

SPCK

CFRNW

NCS4/CFCS0

NCS5/CFCE1

NCS6/CFCE2

NCS7

NANDOE

NANDWE

SPI

Static Memory

Controller

PDC

TCLK0

TCLK1

TCLK2

NWAIT

Timer Counter

TC0

ECC

Controller

SDCK

TIOA0

TIOB0

TIOA1

TIOB1

TIOA2

TIOB2

FIFO

TC1

TC2

DDM

DDP

USB Device

ADTRG

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

PDC

PWM0

PWM1

PWM2

PWM3

TWD

PWMC

PDC

ADC

SSC

TWI

ADVREF

TWCK

SAM7SE512/256/32

6222H–ATARM–25-Jan-12

1 2 345 6 7...682

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