AT91SAM7S256D-AU ARM Microcontrollers MCU 256K Flash SRAM 64K ARM e thehiloeng MCU

• E kenyelletsa ARM7TDMI® ARM® Thumb® Processor
- Boqapi bo phahameng ba 32-bit RISC Architecture
- Sete ea Taelo ea 16-bit e phahameng haholo
- Moetapele ho MIP / Watt
- EmbeddedICE™ In-circuit Emulation, Debug Communication Channel Support

• Flash ea ka hare e Phahameng ka ho Fetisisa
– 512 Kbytes (SAM7S512) E Hlophisitsoe ka Libanka tse Peli tse Kopanetsoeng tsa 1024 Maqephe a 256Li-byte (Lifofane tse peli)
– 256 Kbytes (SAM7S256) E hlophisitsoe ka Maqephe a 1024 a 256 Byte (Sefofane se le Mong)
– 128 Kbytes (SAM7S128) E hlophisitsoe ka Maqephe a 512 a 256 Byte (Sefofane se le Mong)
– 64 Kbytes (SAM7S64) E hlophisitsoe ka Maqephe a 512 a 128 Byte (Sefofane se le Mong)
– 32 Kbytes (SAM7S321/32) E hlophisitsoe ka Maqephe a 256 a 128 Byte (Sefofane se le Mong)
– 16 Kbytes (SAM7S161/16) E hlophisitsoe ka Maqephe a 256 a 64 Byte (Sefofane se le Mong)
- Phihlello ea Cycle Cycle Ho fihlela ho 30 MHz maemong a Mabe ka ho Fetisisa
- Prefetch Buffer E Ntlafatsa Ts'ebetso ea Litaelo tsa Monoana ka Lebelo le Leholo
- Nako ea Lenaneo la Leqephe: 6 ms, Ho kenyelletsa le ho hlakola leqephe, Nako ea ho hlakola ka botlalo: 15 ms
- Li-Cycles tse 10,000, bokhoni ba ho boloka lintlha tsa lilemo tse 10, bokhoni ba ho notlela karolo, FlashTšireletso Bit
- Fast Flash Programming Interface bakeng sa Tlhahiso e Phahameng ea Volume

• SRAM ea lebelo le phahameng ka hare, phihlello ea potoloho e le 'ngoe ka lebelo le phahameng
– 64 Kbytes (SAM7S512/256)
– 32 Kbytes (SAM7S128)
– 16 Kbytes (SAM7S64)
– 8 Kbytes (SAM7S321/32)
– 4 Kbytes (SAM7S161/16)

• Memori Controller (MC)
- Selaoli sa Flash se Kenyellelitsoeng, Maemo a Amoha le Pono e Fosahetseng

• Seta Setaolo bocha (RSTC)
- E ipapisitse le ho Setha Botjha ha Matla le Motlakase o Motlakase wa Matla a Tlase o lekantsweng ka Brown-out Detector
- E fana ka Sebopeho sa Sets'oants'o sa kantle sa Ts'ebetso le ho Seta Boemo ba Mohloli bocha

• Sehlahisoa sa Oache (CKGR)
- Oscillator ea matla a tlase, 3 ho isa ho 20 MHz On-chip Oscillator le PLL e le 'ngoe.

• Selaoli sa Tsamaiso ea Matla (PMC)
- Matla a Matlafatso ea Matla a Software, ho kenyeletsoa Mokhoa o liehang oa Clock (Ho ea ho 500Hz) le Mokhoa o sa sebetseng
– Three Programmable External Lipontšo tsa Clock

• Advanced Interrupt Controller (AIC)
- Motho ka mong a ka Maskable, Bohlokoa ba maemo a robeli, Mehloli e Phahamisang ea Vectored
- Tse peli (SAM7S512/256/128/64/321/161) kapa E le 'ngoe (SAM7S32/16) Mohloli oa Khatiso ea Kantlele Mohloli o le Mong oa Khaohano o Potlakileng, o Sirelelitsoe Ke Tšitiso e Senyehileng

• Setsi sa Tharollo (DBGU)
- UART ea terata tse 2 le Tšehetso ea Seteishene sa Puisano ea Debug e sitisa, Thibelo ea Phihlello ea ICE ea Programmable
- Mokhoa oa Morero oa Kakaretso 2-wire UART Serial Communication

• Periodic Interval Timer (PIT)
- 20-bit Programmable Counter hammoho le 12-bit Interval Counter

• Windowed Watchdog (WDT)
– 12-bit key-protections Programmable Counter
- E fana ka Lipontšo tsa Reset kapa Khanyetsa Sisteme
- Counter e ka Emisoa Ha processor e ntse e le sebakeng sa Debug kapa e le Mode oa Idle

• Sebali sa Nako ea 'Nete (RTT)
- Counter ea mahala ea 32-bit e nang le Alamo
- E matha ka hare ho RC Oscillator

• Selaoli se le seng sa Parallel Input/Output (PIOA)
- Mashome a mararo le metso e 'meli (SAM7S512/256/128/64/321/161) kapa mashome a mabeli a motso o mong (SAM7S32/16) Mela ea I/O e lokiselitsoeng e Multiplexed ka ho fihla hoLi-I/O tse peli tsa Peripheral
- Matla a ho Fetola a Kenyelletso Moleng o mong le o mong oa I/O
- E mong le e mong Programmable Open-drain, Pull-up resistor le Synchronous Output

• Mecha e leshome le motso o mong (SAM7S512/256/128/64/321/161) kapa tse robong (SAM7S32/16) Peripheral DMA Controller (PDC)

• Lebelo le Le leng la USB 2.0 Full Speed ​​(12 Mbits ka Motsotsoana) Boema-kepe ba Sesebelisoa (Ntle le SAM7S32/16).
- On-chip Transceiver, 328-byte Configurable Integrated FIFOs

• One Synchronous Serial Controller (SSC)
- Lipontšo tsa Oache e Ikemetseng le Frame Sync bakeng sa Moamoheli e mong le e mong le Transmitter
- Tšehetso ea I²S Analog Interface Support, Time Division Multiplex Support
- Bokhoni ba ho Phatlalatsa data ka lebelo le phahameng le 32-bit Transfer ea data

• Tse peli (SAM7S512/256/128/64/321/161) kapa E le 'ngoe (SAM7S32/16) Li-Transmitters tsa Universal Synchronous/Asynchronous Receiver(USART)
- Motho ka mong oa Baud Rate Jenereithara, IrDA® Infrared Modulation/Demodulation
- Tšehetso bakeng sa ISO7816 T0/T1 Smart Card, Hardware handshaking, RS485 Support
- Tšehetso e Felletseng ea Mohala oa Modem ho USART1 (SAM7S512/256/128/64/321/161)

• One Master/Slave Serial Peripheral Interface (SPI)
- 8- ho isa ho 16-bit Bolelele ba Boitsebiso bo Reriloeng, Likhetho tse 'ne tsa kantle tsa Peripheral Chip

• Mananeo a le 'ngoe a mararo a 16-bit Timer/Counter (TC)
- Kenyeletso e meraro ea Kantle ea Clock le Lithakhisa tse peli tsa Multi-purpose I/O ka Channel (SAM7S512/256/128/64/321/161)
- Kenyeletso e le 'ngoe ea Oache ea Kantle le Lithakhisa tse peli tsa I/O tsa Multi-purpose bakeng sa Likanale tse peli tsa pele feela (SAM7S32/16)
- Moloko oa PWM habeli, Mokhoa oa Capture / Waveform, Bokhoni ba Holimo / tlase

• Taolo e le 'ngoe ea 16-bit PWM Controller (PWMC)

• One Two-wire Interface (TWI)
- Ts'ehetso ea Mokhoa oa Master Feela, Li-EEPROM tse nang le terata tse peli tsa Atmel le I2C Lisebelisoa tse Ts'oanelang tse Tšehetsoeng(SAM7S512/256/128/64/321/32)
- Ts'ehetso ea Mokhoa oa Master, Multi-Master le Slave Mode, Atmel EEPROM tsohle tsa terata tse peli le I2C Lisebelisoa tse Ts'oanelang tse Tšehetsoeng(SAM7S161/16)

• Sefetoleli se le seng sa 8-bit 10-bit Analog-to-Digital, Mecha e Mene e Multiplexed ka Digital I/Os

• SAM-BA™ Boot Assistant
- Lenaneo la kamehla la Boot
– Sehokelo le SAM-BA Graphic User Interface

• IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins

• Li-I/O tse mamellang 5V, ho kenyeletsoa mela e Mene ea I/O ea Drive e Phahameng, Ho fihla ho 16 mA E 'ngoe le e 'ngoe (SAM7S161/16 I/Os Ha e mamelle 5V)

• Phepelo ea Matla
- E kenyellelitsoe 1.8V Regulator, Ho taka ho fihla ho 100 mA bakeng sa likarolo tsa mantlha le tsa kantle.
– 3.3V kapa 1.8V VDDIO I/O Lines Power Supply, Ikemetseng 3.3V VDDFLASH Flash Power Supply
– 1.8V VDDCORE Core Power Supply with Brown-out Detector

• Tšebetso e tsitsitseng ka ho Feletseng: Ho fihla ho 55 MHz ho 1.65V le 85°C Maemo a Mabe ka ho Fetisisa

• E fumaneha ka 64-lead LQFP Green kapa 64-pad QFN Green Package (SAM7S512/256/128/64/321/161) le 48-lead LQFP Green kapa48-pad QFN Green Package (SAM7S32/16)