AT91SAM7S256D-AU ARM Microcontrollers MCU 256K Flash SRAM 64K ARM fa'avae MCU

• Fa'aofiina le ARM7TDMI® ARM® Thumb® Processor
– Tulaga maualuga 32-bit RISC Architecture
– Fa'atonuga 16-bit maualuga-maualuga Seti
– Taitai i MIPS/Watt
– EmbeddedICE™ In-circuit Emulation, Debug Communication Channel Support

• Fa'alotoifale maualuga-saosaoa Flash
– 512 Kbytes (SAM7S512) Faʻatulagaina i Faletupe Fesoʻotaʻi Lua e 1024 Itulau o le 256Paita (vaalele Lua)
– 256 Kbytes (SAM7S256) Fa'atulagaina i 1024 Itulau o le 256 Paita (va'alele Tasi)
– 128 Kbytes (SAM7S128) Fa'atulagaina i 512 Itulau o le 256 Paita (va'alele Tasi)
– 64 Kbytes (SAM7S64) Fa'atulagaina i 512 Itulau o le 128 Paita (va'alele Tasi)
– 32 Kbytes (SAM7S321/32) Fa'atulagaina i 256 Itulau o le 128 Paita (va'alele Tasi)
– 16 Kbytes (SAM7S161/16) Fa'atulagaina i 256 Itulau o le 64 Paita (va'alele Tasi)
– Ta'amilosaga Ta'amilosaga Ta'itasi e o'o atu i le 30 MHz i Tulaga sili ona leaga
– Prefetch Buffer Optimizing Tama'imatua Fa'atonuga Fa'atonu i le Saosaoa Maualuluga
- Itulau Taimi Polokalama: 6 ms, E aofia ai Itulau-Autometi tape, Taimi Taimi atoa: 15 ms
- 10,000 Tusi Ta'amilosaga, 10-tausaga Fa'amaumauga Fa'atumauina Malosiaga, Vaega Loka Gafatia, FlashSaogalemu Bit
– Vaavaaiga Fa'apolokalame Fa'asao vave mo le gaosiga maualuga

• SRAM maualuga i totonu, Ta'amilosaga Ta'itasi Avanoa i le Saosaoa Maualuga
– 64 Kbytes (SAM7S512/256)
– 32 Kbytes (SAM7S128)
– 16 Kbytes (SAM7S64)
– 8 Kbytes (SAM7S321/32)
– 4 Kbytes (SAM7S161/16)

• Pule Fa'amanatu (MC)
- Faʻapipiʻi Flash Pule, Faʻamautu Tulaga ma Faʻamatalaga Faʻasese

• Toe Seti Pule (RSTC)
– Fa'avae ile Toe Fa'atonu ole Malosiaga ma le Fa'ailoga Fa'atosina-fa'a'ese'ese ile Falegaosimea maualalo
– Tuuina atu Fafo Toe Fa'ailoga Fa'ailoga Fa'ailoga ma Toe Fa'afou Tulaga Puna

• Fa'atupu Uati (CKGR)
– Oscillator RC e maualalo le malosi, 3 i le 20 MHz I luga ole masini masini ma le tasi PLL

• Pule Pulea Malosi (PMC)
– Fa'atonuga Fa'atonu Malosiaga Polokalama, Fa'atasi ai ma le Fa'agasologa o le Uati Lemu (I lalo ifo i le 500Hz) ma le Fa'aoga Fa'aletonu
– Tolu Polokalama Fa'ailoga Uati fafo

• Pule Fa'alavelave Maualuga (AIC)
– Ta'ito'atasi Maskable, Valu Tulaga Fa'amuamua, Vectored Interrupt Sources
– Lua (SAM7S512/256/128/64/321/161) poʻo le Tasi (SAM7S32/16) Punaoa Faʻalavelave i fafo (s)ma le tasi Puna Vaavaaia Faalavelave, Puipuia Faalavelave Faasese

• Debug Unit (DBGU)
– UART 2-uaea ma le Lagolago mo Debug Fesoʻotaʻiga Faʻalavelave faʻalavelave, Polokalama ICE Access Prevention
– Faiga mo le Fa'amoemoe Lautele 2-uaea UART Feso'ota'iga Fa'asologa

• Taimi Vaitaimi Vaitaimi (PIT)
– 20-bit Programmable Counter fa'atasi ai ma le 12-bit Interval Counter

• Mata'i Mata'i (WDT)
– 12-bit ki-puipuia Polokalame Counter
- Tuuina atu Faʻailoga poʻo Faʻalavelave Faʻailoga i le System
- E mafai ona taofi le Counter A'o i ai le Processor ile Debug State poʻo ile Idle Mode

• Taimi Taimi moni (RTT)
– 32-bit Free-running Counter ma le Fa'ailoga
– Tafe ese le RC Oscillator i totonu

• Tasi le Fa'atonu Fa'atotonuga/Otu Fa'atasi (PIOA)
– Tolusefulu-lua (SAM7S512/256/128/64/321/161) po o le luasefulutasi (SAM7S32/16) Polokalama I/O Laina Fa'atele e o'o atu iLua Peripheral I/Os
– Suiga Fa'aofiga Fa'alavelave fa'alavelave i luga ole I/O Line ta'itasi
– Fa'apolokalame Ta'ito'atasi Tatala-vai, Toso i luga tete'e ma Synchronous Output

• Sefulutasi (SAM7S512/256/128/64/321/161) po'o le Iva (SAM7S32/16) Alaleo DMA Pu'upu'u (PDC)

• Tasi le USB 2.0 Tele Saosaoa (12 Mbits per Second) Device Port (Va'ai le SAM7S32/16).
– Fa'aliliuina i luga ole masini, 328-paita'i Fa'atonu Fa'atasi FIFO

• Tasi Pule Fa'asologa Fa'asologa (SSC)
– Uati Tutoatasi ma Fa'ailoga Fa'asa'o Fa'avaa mo Tagata Ta'itasi ma Fa'aliliu
– I²S Analog Interface Support, Time Division Multiplex Support
- Maualalo Faʻaauau Faʻamatalaga Faʻatonuga ma le 32-bit Faʻaliliuga Faʻamatalaga

• Lua (SAM7S512/256/128/64/321/161) po'o le Tasi (SAM7S32/16) Fa'aliliuga Fa'asalalauga Lautele/Asynchronous Receiver Transmitters(USART)
– Ta'ito'atasi Baud Rate Generator, IrDA® Infrared Modulation/Demodulation
– Lagolago mo ISO7816 T0/T1 Smart Card, Meafaigaluega Handshake, RS485 Lagolago
– Lagolago atoa laina Modem ile USART1 (SAM7S512/256/128/64/321/161)

• Tasi le Matai/Slave Serial Peripheral Interface (SPI)
– 8- i le 16-bit Polokalama Fa'amaumauga Umi, Fa Fa'apito Fa'apito Filifilia Chip Filifilia

• Tasi Tolu-alaala 16-bit Timer/Counter (TC)
– Tolu Ulufale Fa'asinoala Uati ma Lua Pini I/O Fa'atosina ile Ala (SAM7S512/256/128/64/321/161)
– Tasi le Fa'aofia o le Uati i fafo ma Pin I/O e Lua mo Na'o Alavai muamua e Lua (SAM7S32/16)
- Fa'aluaina PWM Fa'atupuina, Pu'e/Waveform Mode, Up/Down Capability

• Tasi le Fa-alaala 16-bit PWM Pule (PWMC)

• Tasi Lua-uaea Fa'afesootai (TWI)
- Na'o le Lagolagoina o le Master Mode, EEPROMs Atmel uma e lua-uaea ma le I2C Lagolago masini Felagolagomai(SAM7S512/256/128/64/321/32)
- Matai, Tele-Master ma Slave Mode Support, EEPROMs Atmel uma e lua-uaea ma I2C Lagolago masini Felagolagomai(SAM7S161/16)

• Tasi le 8-ala 10-bit Analog-to-Digital Converter, Fa Alano Tele fa'atasi ma Digital I/Os

• SAM-BA™ Boot Fesoasoani
– Polokalama Fa'avae Fa'atonu
- Fesoʻotaʻiga ma le SAM-BA Graphic User Interface

• IEEE® 1149.1 JTAG Boundary Scan i luga o pine numera uma

• I/Os e fa'apalepale 5V, e aofia ai laina I/O e fa o le Drive High-current, E o'o atu i le 16 mA Ta'itasi (SAM7S161/16 I/Os E le o le 5V-fa'apalepale)

• Sapalai Malosiaga
- Faʻapipiʻi 1.8V Pule Faʻatonu, Tusia i luga ole 100 mA mo le Autu ma Fafo Fafo.
– 3.3V po'o le 1.8V VDDIO I/O Laina Laina Malosi, Tuto'atasi 3.3V VDDFLASH Flash Malosi'i
– 1.8V VDDCORE Autu Malosiaga Sapalai ma Brown-out Su'esu'e

• Fa'atonu Fa'atino atoatoa: E o'o i le 55 MHz ile 1.65V ma le 85°C Tulaga sili ona leaga.

• E maua ile 64-lead LQFP Green po'o le 64-pad QFN Green Package (SAM7S512/256/128/64/321/161) ma le 48-lead LQFP Green po'oPaketi 48-pad QFN Green (SAM7S32/16)