AT91SAM7S256D-AU ARM Microcontrollers MCU 256K Flash SRAM 64K ARM ma muli o MCU

• Hoʻohui i ka ARM7TDMI® ARM® Thumb® Processor
– Hana kiʻekiʻe 32-bit RISC Architecture
– Hoʻonohonoho ʻōlelo aʻoaʻo 16-bit kiʻekiʻe
- Alakaʻi ma MIPS/Watt
- EmbeddedICE ™ In-circuit Emulation, Debug Communication Channel Kākoʻo

• Kuloko Kiekie-wikiwiki Flash
– 512 Kbytes (SAM7S512) Hoʻonohonoho ʻia i ʻelua mau panakō pili o 1024 ʻaoʻao o 256Bytes (Pālua Papalua)
– 256 Kbytes (SAM7S256) Hoʻonohonoho ʻia ma 1024 ʻaoʻao o 256 Bytes (Single Plane)
– 128 Kbytes (SAM7S128) Hoʻonohonoho ʻia ma 512 ʻaoʻao o 256 Bytes (Single Plane)
– 64 Kbytes (SAM7S64) Hoʻonohonoho ʻia ma 512 ʻaoʻao o 128 Bytes (Single Plane)
– 32 Kbytes (SAM7S321/32) Hoʻonohonoho ʻia ma 256 ʻAoʻao o 128 Bytes (Single Plane)
– 16 Kbytes (SAM7S161/16) Hoʻonohonoho ʻia ma 256 ʻAoʻao o 64 Bytes (Single Plane)
- Loaʻa i ka pōʻaiapuni hoʻokahi a hiki i 30 MHz i nā kūlana ʻoi loa
– Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
- Manawa Papahana ʻAoʻao: 6 mau m.
- 10,000 Kākau Kākau, 10-makahiki Paʻa ʻikepili hiki ke hoʻopaʻa ʻia, Laka Laka ʻāpana, FlashBit Palekana
– Kikokikona Kikokikona Programming Interface no High Volume Production

• Kuloko Kiekie-wikiwiki SRAM, Hoʻokahi pōʻaiapuni Loaʻa ma ka Maximum Speed
– 64 Kbytes (SAM7S512/256)
– 32 Kbytes (SAM7S128)
– 16 Kbytes (SAM7S64)
– 8 Kbytes (SAM7S321/32)
– 4 Kbytes (SAM7S161/16)

• Mea Mana Hoʻomanaʻo (MC)
- Hoʻokomo ʻia ka Flash Controller, Hoʻopau i ke kūlana a me ka ʻike hewa ʻole

• Hoʻoponopono hou i ka mea hoʻoponopono (RSTC)
- Ma muli o ka Power-on Reset a me ka Low-power Factory-calibrated Brown-out Detector
- Hāʻawi i nā hōʻailona hōʻailona waho a hoʻonohonoho hou i ke kūlana kumu

• Mea Hana Uaki (CKGR)
- RC Oscillator haʻahaʻa, 3 a 20 MHz On-chip Oscillator a me hoʻokahi PLL

• Mana Mana Mana (PMC)
- Hiki ke hoʻonui i ka mana o ka lako polokalamu, me ke ʻano o ka uaki lohi (i lalo i 500Hz) a me ke ʻano Idle
– ʻEkolu Programmable External Clock Signals

• Mea hoʻoponopono hoʻopaneʻe kiʻekiʻe (AIC)
- Hiki ke hoʻopaʻa ʻia i kēlā me kēia kanaka, ʻewalu mau pae mua, nā kumu hoʻokuʻu ʻia ʻo Vectored
– ʻElua (SAM7S512/256/128/64/321/161) a i ʻole Hoʻokahi (SAM7S32/16) Puna Kūwaho (mau)a me hoʻokahi kumu hoʻopaneʻe wikiwiki, pale ʻia ʻo Spurious Interrupt

• ʻĀpana Debug (DBGU)
- 2-wire UART a me ke kākoʻo no ka Debug Communication Channel interrupt, Programmable ICE Access Prevention
– Ke ʻano no ka manaʻo nui 2-uea UART Serial Communication

• Manawa manawa manawa (PIT)
– 20-bit Programmable Counter me 12-bit Interval Counter

• ʻīlio kiaʻi puka makani (WDT)
– 12-bit kī-pale Programmable Counter
- Hāʻawi i nā hōʻailona hoʻonohonoho hou a hoʻopau paha i ka Pūnaewele
- Hiki ke hooki ʻia ka Counter ʻOiai aia ke kaʻina hana i ka Debug State a i ʻole i ka Idle Mode

• Manawa manawa maoli (RTT)
- 32-bit Free-running counter me Alarm
- Holo i ka Oscillator RC kūloko

• Hoʻokahi Mea Mana Hoʻokomo/Hana Puka (PIOA)
– He kanakolukumamālua (SAM7S512/256/128/64/321/161) a i ʻole iwakāluakūmākahi (SAM7S32/16) Programmable I/O Lines Multiplexed a hiki iʻElua I/Os pili
- Hiki ke hoʻololi i ke komo ʻana i kēlā me kēia laina I/O
– ʻO ka hoʻoheheʻe ʻana i ka hoʻoheheʻe ʻia ʻana o kēlā me kēia kanaka, huki ʻia i luna a me ka Synchronous Output

• He ʻumikūmākahi (SAM7S512/256/128/64/321/161) a i ʻole ʻEiwa (SAM7S32/16) Kaila DMA Controller (PDC)

• Hoʻokahi USB 2.0 piha wikiwiki (12 Mbits i kekona) ʻO ka Port Device (koe no ka SAM7S32/16).
– Ka mea hoʻolele uila ma ka chip, 328-byte i hoʻohui ʻia i nā FIFO

• Hoʻokahi Manaʻo Paʻi Paʻi Paʻi (SSC)
- Nā Hōʻailona Kūʻokoʻa a me ka Frame Sync no kēlā me kēia mea loaʻa a me ka mea lawe
– Kākoʻo I²S Analog Interface, Kākoʻo Manawa Māhele Multiplex
- Hiki i ke kahawai ʻikepili hoʻomau kiʻekiʻe me ka 32-bit Data Transfer

• ʻElua (SAM7S512/256/128/64/321/161) a i ʻole hoʻokahi (SAM7S32/16) Universal Synchronous/Asynchronous Receiver Transmitters(USART)
– Mea hoʻoheheʻe Baud Rate, IrDA® Infrared Modulation/Demodulation
– Kākoʻo no ISO7816 T0/T1 Kāleka akamai, Lako Paʻa lima, RS485 Kākoʻo
- Kākoʻo laina modem piha ma USART1 (SAM7S512/256/128/64/321/161)

• Hoʻokahi Master/Slave Serial Peripheral Interface (SPI)
– 8- a hiki i ka 16-bit Programmable Data Length, ʻEhā Koho ʻAi ʻAi Kūwaho

• Hoʻokahi ʻEkolu Kanal 16-bit Timer/Counter (TC)
– ʻEkolu Hoʻokomo Uaki Kūwaho a me ʻelua Pins I/O Nui no kēlā me kēia Kanal (SAM7S512/256/128/64/321/161)
- Hoʻokahi Hoʻokomo Uaki Kūwaho a me ʻelua Pins I/O Nui no nā Kanal ʻElua wale nō (SAM7S32/16)
- Hoʻoulu PWM pālua, ke ʻano hopu / hawewe, hiki i luna / lalo

• Hoʻokahi ʻEhā kanal 16-bit PWM Controller (PWMC)

• Hoʻokahi Interface ʻElua Uea (TWI)
- Kākoʻo Kākoʻo Master Mode wale nō, ʻO nā EEPROM Atmel ʻelua ʻelua a me I2Kākoʻo ʻia nā polokalamu kūpono C(SAM7S512/256/128/64/321/32)
- Kākoʻo Master, Multi-Master a me Slave Mode, ʻO nā EEPROM ʻelua-wire Atmel a me I2Kākoʻo ʻia nā polokalamu kūpono C(SAM7S161/16)

• Hookahi 8-kanal 10-bit Analog-to-Digital mīkini hoʻololi, ʻEhā Kanal Multiplexed me Digital I/Os

• Kokua Boot SAM-BA™
- Papahana Boot Default
- Ka pilina me SAM-BA Kiʻi Mea hoʻohana

• IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins

• 5V-tolerant I/Os, me Eha High-current Drive I/O laina, a hiki i 16 mA kela a me keia (SAM7S161/16 I/Os 'A'ole 5V-hoomanawanui)

• Nā lako mana
- Hoʻopili ʻia ka 1.8V Regulator, e kiʻi ana i ka 100 mA no nā ʻāpana kumu a me waho.
– 3.3V a i ʻole 1.8V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply
– 1.8V VDDCORE Core Mana Mana me Brown-out Detector

• Ka Hana Paʻa Paʻa: A hiki i 55 MHz ma 1.65V a me 85°C Nā Kūlana ʻino loa.

• Loaʻa i loko o 64-lead LQFP Green a i ʻole 64-pad QFN Green Package (SAM7S512/256/128/64/321/161) a me 48-lead LQFP Green a i ʻole48-pad QFN Pūʻolo ʻōmaʻomaʻo (SAM7S32/16)