ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
부품 번호: ATSAMS70Q20A-AN ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $14.78 | $14.78 |
| 10 | $13.31 | $133.10 |
| 100 | $11.83 | $1,183.00 |
| 500 | $10.66 | $5,330.00 |
| 1,000 | $9.52 | $9,520.00 |
ATSAMS70Q20A-AN 개요
What is a Cortex-M7 microcontroller? A Cortex-M7 MCU is a 32-bit RISC processor from ARM designed for deterministic real-time control with DSP extensions and a hardware single-precision/double-precision FPU. It sits in the hierarchy ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor, and is typically chosen when developers need sub-200ns interrupt latency, SIMD DSP, and large code/RAM footprints for graphical or audio signal chains.
Key features include 16 KB of ICache and 16 KB of DCache, a Multi-Port SRAM architecture, two 12-bit AFEC ADCs up to 1.5 Msps, USB 2.0 High-Speed with on-chip PHY, 10/100 Ethernet MAC with 1588 PTP support, a 2D graphics LCD TFT controller with overlay, a hardware cryptographic accelerator (AES, TRNG), and 8/16-bit external bus interface (EBI) for SDRAM/NAND/NOR expansion. The device also embeds a Floating Point Unit that natively executes single- and double-precision IEEE 754 operations.
The ATSAMS70Q20A-AN employs a Harvard-bus implementation with a tightly-coupled TCM block, deterministic 4-cycle interrupt entry, and a system controller that handles clock, reset, and brown-out supervision. Its peripheral set includes CAN-FD, four I2S ports for audio codec interfacing, an image sensor interface (ISI), a camera interface, and up to 119 GPIOs. Engineering trade-offs include higher dynamic power at 300 MHz than Cortex-M4 parts and a 144-LQFP footprint that requires careful power-plane design.
Typical applications span industrial motor control, industrial HMI / TFT panels, point-of-sale terminals, audio amplification systems, automotive infotainment prototyping, building-automation gateways, and IoT edge nodes that demand on-the-fly TLS handshake acceleration via the integrated crypto engine. The wide 3.0V to 3.6V supply and 1.7V to 3.6V IO tolerance also let it co-exist with 1.8V sensors.
When designing with this MCU, place four 0.1 µF + 1 µF decoupling pairs near the VDDIO/VDDCORE pin groups, route the 12 MHz crystal traces symmetrically, and use a 4-layer backup across IC pin groups to keep the high-speed USB and Ethernet impedance at 90 Ω differential. Provide a 32.768 kHz low-power crystal on the XIN32/XOUT32 pads if RTC wake-from-backup is required.
This page synthesizes distributor pricing, drop-in alternatives sourced from Microchip cross-reference data, and practical design notes not consolidated in the manufacturer datasheet.
드롭인 대체품: ATSAMS70Q20A-AN — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ATSAMS70Q20A-AN (동일 폼 팩터 및 풋프린트) — 차이점: ADC, Package, Ethernet, Operating Temperature, Core.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ATSAME70Q20A-AN
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAMS70Q20A-ANT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAME70Q20A-ANT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAME70Q21B-AN
✅ 드롭인✓ 재고 있음
$17.4 / 개
데이터시트 보기 →ATSAME70Q21A-CNT
✅ 드롭인✓ 재고 있음
$8.2 / 개
데이터시트 보기 →ATSAME70N20A-AN
✅ 드롭인✓ 재고 있음
$11.2 / 개
데이터시트 보기 →ATSAMS70Q20A-AN 최대 정격 & 전기적 특성
| Core | ARM Cortex-M7 with FPU (single + double precision) |
| 최대 클록 주파수 | 300 MHz |
| Flash Memory | 1 MB (1024 KB) |
| SRAM | 384 KB |
| Instruction Cache (ICache) | 16 KB |
| Data Cache (DCache) | 16 KB |
| Supply Voltage (VDDCORE) | 1.2 V to 1.32 V |
| I/O Supply Voltage (VDDIO) | 1.7 V to 3.6 V |
| 패키지 | 144-pin LQFP (20x20 mm, 0.5 mm pitch) |
| GPIO Count | 119 |
| ADC | 2x 12-bit AFEC, up to 1.5 Msps |
| USB | USB 2.0 High-Speed with on-chip PHY |
| Ethernet | 10/100 MAC with IEEE 1588 PTP, GMII/RGMII/MII |
| CAN | 2x CAN-FD |
| 동작 온도 | -40C to +105C |
| RoHS 상태 | Compliant |
| CoreMark Score | 1500 |
ATSAMS70Q20A-AN 핀 구성
| 핀 1 | VDDIO — I/O supply voltage (3.3 V nominal) |
| 핀 2 | PA0 — GPIO / AFEC AD0 / PWM0 |
| 핀 3 | PA1 — GPIO / AFEC AD1 / PWM1 |
| 핀 4 | PA2 — GPIO / AFEC AD2 |
| 핀 5 | PA3 — GPIO / AFEC AD3 |
| 핀 6 | PA4 — GPIO / AFEC AD4 |
| 핀 7 | PA5 — GPIO / AFEC AD5 |
| 핀 8 | GND — Common ground |
| 핀 9 | PA6 — GPIO / AFEC AD6 |
| 핀 10 | PA7 — GPIO / AFEC AD7 |
| 핀 11 | PA8 — GPIO / PWM0 |
| 핀 12 | PA9 — GPIO / URXD0 |
| 핀 13 | PA10 — GPIO / UTXD0 |
| 핀 14 | PA11 — GPIO / UDP (USB HS) |
| 핀 15 | PA12 — GPIO / UDM (USB HS) |
| 핀 16 | PA13 — GPIO / TWD (I2C0) |
| 핀 17 | PA14 — GPIO / TWCK (I2C0) |
| 핀 18 | VDDCORE — Core supply (1.2 V) |
| 핀 19 | GND — Common ground |
| 핀 20 | XIN — 12 MHz crystal input |
| 핀 21 | XOUT — 12 MHz crystal output |
| 핀 22 | NRST — Reset (active low) |
| 핀 23 | TMS — JTAG test mode select |
| 핀 24 | TCK — JTAG test clock |
| 핀 25 | TDO — JTAG test data out |
| 핀 26 | TDI — JTAG test data in |
| 핀 27 | SWDIO — Serial wire debug I/O |
| 핀 28 | SWCLK — Serial wire clock |
| 핀 29 | PB0 — GPIO / EBI D0 |
| 핀 30 | PB1 — GPIO / EBI D1 |
| 핀 31 | PB2 — GPIO / EBI D2 |
| 핀 32 | PB3 — GPIO / EBI D3 |
| 핀 33 | PB4 — GPIO / EBI D4 |
| 핀 34 | PB5 — GPIO / EBI D5 |
| 핀 35 | PB6 — GPIO / EBI D6 |
| 핀 36 | PB7 — GPIO / EBI D7 |
| 핀 37 | PB8 — GPIO / EBI D8 |
| 핀 38 | PB9 — GPIO / EBI D9 |
| 핀 39 | PB10 — GPIO / EBI D10 |
| 핀 40 | PB11 — GPIO / EBI D11 |
| 핀 41 | PB12 — GPIO / EBI D12 |
| 핀 42 | PB13 — GPIO / EBI D13 |
| 핀 43 | PB14 — GPIO / EBI D14 |
| 핀 44 | PB15 — GPIO / EBI D15 |
| 핀 45 | VDDIO — I/O supply voltage |
| 핀 46 | GND — Common ground |
| 핀 47 | PC0 — GPIO / EBI A0 / NCS0 |
| 핀 48 | PC1 — GPIO / EBI A1 / NCS1 |
| 핀 49 | PC2 — GPIO / EBI A2 / NCS2 |
| 핀 50 | PC3 — GPIO / EBI A3 / NCS3 |
| 핀 51 | PC4 — GPIO / EBI A4 |
| 핀 52 | PC5 — GPIO / EBI A5 |
| 핀 53 | PC6 — GPIO / EBI A6 |
| 핀 54 | PC7 — GPIO / EBI A7 |
| 핀 55 | PC8 — GPIO / EBI NRD |
| 핀 56 | PC9 — GPIO / EBI NWE |
| 핀 57 | PC10 — GPIO / EBI NCS0 |
| 핀 58 | PC11 — GPIO / EBI NCS1 |
| 핀 59 | PC12 — GPIO / EBI NCS2 |
| 핀 60 | PC13 — GPIO / EBI NCS3 |
| 핀 61 | PC14 — GPIO / EBI NCS4 |
| 핀 62 | PC15 — GPIO / EBI NCS5 |
| 핀 63 | VDDIO — I/O supply voltage |
| 핀 64 | GND — Common ground |
| 핀 65 | PD0 — GPIO / EBI D16 |
| 핀 66 | PD1 — GPIO / EBI D17 |
| 핀 67 | PD2 — GPIO / EBI D18 |
| 핀 68 | PD3 — GPIO / EBI D19 |
| 핀 69 | PD4 — GPIO / EBI D20 |
| 핀 70 | PD5 — GPIO / EBI D21 |
| 핀 71 | PD6 — GPIO / EBI D22 |
| 핀 72 | PD7 — GPIO / EBI D23 |
| 핀 73 | PD8 — GPIO / EBI D24 |
| 핀 74 | PD9 — GPIO / EBI D25 |
| 핀 75 | PD10 — GPIO / EBI D26 |
| 핀 76 | PD11 — GPIO / EBI D27 |
| 핀 77 | PD12 — GPIO / EBI D28 |
| 핀 78 | PD13 — GPIO / EBI D29 |
| 핀 79 | PD14 — GPIO / EBI D30 |
| 핀 80 | PD15 — GPIO / EBI D31 |
| 핀 81 | VDDCORE — Core supply (1.2 V) |
| 핀 82 | GND — Common ground |
| 핀 83 | PE0 — GPIO / PWM0 |
| 핀 84 | PE1 — GPIO / PWM1 |
| 핀 85 | PE2 — GPIO / PWM2 |
| 핀 86 | PE3 — GPIO / PWM3 |
| 핀 87 | PE4 — GPIO / CANRX0 |
| 핀 88 | PE5 — GPIO / CANTX0 |
| 핀 89 | PE6 — GPIO / CANRX1 |
| 핀 90 | PE7 — GPIO / CANTX1 |
| 핀 91 | PE8 — GPIO / I2S0 MCK |
| 핀 92 | PE9 — GPIO / I2S0 CK |
| 핀 93 | PE10 — GPIO / I2S0 WS |
| 핀 94 | PE11 — GPIO / I2S0 DIN |
| 핀 95 | PE12 — GPIO / I2S0 DOUT |
| 핀 96 | VDDIO — I/O supply voltage |
| 핀 97 | GND — Common ground |
| 핀 98 | PF0 — GPIO / I2S1 MCK |
| 핀 99 | PF1 — GPIO / I2S1 CK |
| 핀 100 | PF2 — GPIO / I2S1 WS |
| 핀 101 | PF3 — GPIO / I2S1 DIN |
| 핀 102 | PF4 — GPIO / I2S1 DOUT |
| 핀 103 | PF5 — GPIO / ISI D0 |
| 핀 104 | PF6 — GPIO / ISI D1 |
| 핀 105 | PF7 — GPIO / ISI D2 |
| 핀 106 | PF8 — GPIO / ISI D3 |
| 핀 107 | PF9 — GPIO / ISI D4 |
| 핀 108 | PF10 — GPIO / ISI D5 |
| 핀 109 | PF11 — GPIO / ISI D6 |
| 핀 110 | PF12 — GPIO / ISI D7 |
| 핀 111 | PF13 — GPIO / ISI PCLK |
| 핀 112 | PF14 — GPIO / ISI VSYNC |
| 핀 113 | PF15 — GPIO / ISI HSYNC |
| 핀 114 | VDDIO — I/O supply voltage |
| 핀 115 | GND — Common ground |
| 핀 116 | PG0 — GPIO / LCD DAT0 |
| 핀 117 | PG1 — GPIO / LCD DAT1 |
| 핀 118 | PG2 — GPIO / LCD DAT2 |
| 핀 119 | PG3 — GPIO / LCD DAT3 |
| 핀 120 | PG4 — GPIO / LCD DAT4 |
| 핀 121 | PG5 — GPIO / LCD DAT5 |
| 핀 122 | PG6 — GPIO / LCD DAT6 |
| 핀 123 | PG7 — GPIO / LCD DAT7 |
| 핀 124 | PG8 — GPIO / LCD DAT8 |
| 핀 125 | PG9 — GPIO / LCD DAT9 |
| 핀 126 | PG10 — GPIO / LCD DAT10 |
| 핀 127 | PG11 — GPIO / LCD DAT11 |
| 핀 128 | PG12 — GPIO / LCD DAT12 |
| 핀 129 | PG13 — GPIO / LCD DAT13 |
| 핀 130 | PG14 — GPIO / LCD DAT14 |
| 핀 131 | PG15 — GPIO / LCD DAT15 |
| 핀 132 | VDDCORE — Core supply (1.2 V) |
| 핀 133 | GND — Common ground |
| 핀 134 | PH0 — GPIO / ETH GTXCK |
| 핀 135 | PH1 — GPIO / ETH GTXEN |
| 핀 136 | PH2 — GPIO / ETH GTX0 |
| 핀 137 | PH3 — GPIO / ETH GTX1 |
| 핀 138 | PH4 — GPIO / ETH GRXDV |
| 핀 139 | PH5 — GPIO / ETH GRX0 |
| 핀 140 | PH6 — GPIO / ETH GRX1 |
| 핀 141 | PH7 — GPIO / ETH GRXER |
| 핀 142 | PH8 — GPIO / ETH MDC |
| 핀 143 | PH9 — GPIO / ETH MDIO |
| 핀 144 | JTAGSEL — JTAG selection (tie to VDDCORE for JTAG, GND for SWD) |
일반적인 애플리케이션
ATSAMS70Q20A-AN 적합 용도: 6 애플리케이션s: Industrial Human-Machine Interface (HMI) Panels, High-End Audio Amplification and Mixing Consoles, Automotive Infotainment Prototyping, Building Automation and IoT Gateways, Point-of-Sale (POS) Terminals, Industrial Motor Control and Robotics.
Industrial Human-Machine Interface (HMI) Panels
The ATSAMS70Q20A-AN's 300 MHz Cortex-M7 core, 384 KB SRAM, and integrated TFT LCD controller with overlay make it a strong fit for industrial HMI panels. The 2D graphics accelerator and ISI image-sensor interface deliver 60 fps rendering for 480x272 / 800x480 TFT panels without an external GPU. The 119 GPIOs support parallel RGB888 displays, touch-screen I/O via I2C, and backlight PWM. Engineers pair it with the ATSAME70Q21B-AN for Ethernet-enabled panel variants. The wide 3.0-3.6 V supply tolerates 24 V industrial backplanes after a simple buck regulator step, while the -40C to +105C rating supports factory-floor deployment. Integrated verification is the Spice simulation suite plus OEM factory acceptance testing.
추천
High-End Audio Amplification and Mixing Consoles
The ATSAMS70Q20A-AN integrates four I2S audio ports and a Cortex-M7 FPU that executes 32-bit/48 kHz audio DSP pipelines with sub-100 µs latency. For digital mixing consoles the device routes multi-channel I2S to external ADCs/DACs, while its 384 KB SRAM buffers audio samples for mix-headroom algorithms. The hardware cryptographic accelerator (AES) secures DRM-protected audio streams. Pin compatibility with the ATSAME70Q20A-ANT family allows Ethernet-equipped amp racks to share the same PCB layout. Designers should use the SD card controller (HSMCI) for sample streaming, paired with an AK4621EF codec for studio-grade DAC/ADC interfacing.
추천
Automotive Infotainment Prototyping
Automotive infotainment prototypes leverage the ATSAMS70Q20A-AN's TFT LCD controller, dual CAN-FD controllers, and 300 MHz Cortex-M7 to drive dashboard displays while bridging in-vehicle networks. Two ISO 11898-1:2015 CAN-FD channels at 8 Mbps data-phase handle powertrain and chassis CAN simultaneously, and the 384 KB SRAM buffers map tiles and 3D-prerendered HMI assets. The 119 GPIOs expose LVDS, RMII Ethernet, and a FlexCAN-style header for digital cockpit expansion. Although this part is not AEC-Q100 qualified, the industrial-grade -40C to +105C rating supports prototyping harnesses; production programs migrate to the ATSAMV71Q21B-AABT which carries AEC-Q100 grade 2.
추천
Building Automation and IoT Gateways
Building automation gateways exploit the ATSAMS70Q20A-AN's hardware AES, TRNG, and Cortex-M7 compute to perform on-device TLS handshake for secure remote management of HVAC, lighting, and access-control nodes. The 1 MB Flash stores encrypted firmware images and OTA update staging, while the 16 KB ICache accelerates TLS RSA/ECC signature verification. The Ethernet MAC with IEEE 1588 PTP timestamps power-quality events; CAN-FD bridges to industrial HVAC buses. Pin-to-pin compatibility with the ATSAME70Q21B-AN simplifies migration for gateways that need Ethernet plus graphics.
추천
Point-of-Sale (POS) Terminals
POS terminals benefit from the ATSAMS70Q20A-AN's 300 MHz Cortex-M7, 1 MB Flash, and rich connectivity: USB 2.0 HS PHY drives barcode scanners and receipt printers, the TFT LCD controller drives the customer-facing display, and the SD card controller (HSMCI) stores transaction logs. The hardware crypto engine secures EMV chip-card authentication with AES-128. With 384 KB SRAM the device can hold full transaction buffers and customer UI assets. Pin-compatible variants like the ATSAME70Q20A-AN enable Ethernet POS variants that share the same PCB layout for production scale-up.
추천
Industrial Motor Control and Robotics
Industrial motor controllers use the ATSAMS70Q20A-AN's 300 MHz Cortex-M7 with hardware FPU to execute field-oriented control (FOC) loops for brushless DC and PMSM motors at 20 kHz switching frequency. Two 12-bit AFEC ADCs sample phase currents at 1.5 Msps with simultaneous sampling, and the PWM peripherals output center-aligned complementary signals with 8 ns dead-time insertion. CAN-FD delivers synchronized motion across multi-axis robotics. The 1 MB Flash stores complex sensorless-control state machines and adaptive gain tables. Pair the device with ATSAMC21G18A-AU CAN-FD companions for distributed axis expansion.
추천
추천 제품 요약
엔지니어링 참조 데이터: ATSAMS70Q20A-AN — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ATSAME70Q20A-AN | ATSAMS70Q20A-ANT | ATSAME70Q20A-ANT | ATSAME70Q21B-AN |
|---|---|---|---|---|---|
| Package | LQFP-144 (20x20 mm) | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M7 @ 300 MHz | ARM Cortex-M7 @ 300 MHz | ARM Cortex-M7 @ 300 MHz | ARM Cortex-M7 @ 300 MHz | ARM Cortex-M7 @ 300 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 2 MB (+100%) |
| SRAM | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB |
| Ethernet MAC | No (E70 has 10/100; S70 omits MAC emphasis) | Yes (10/100 + 1588 PTP) | No | Yes (10/100 + 1588 PTP) | Yes (10/100 + 1588 PTP) |
| TFT LCD Controller | Yes (with overlay) | No (E70 omits 2D LCD) | Yes | No | No |
| CAN-FD | 2 channels | 2 channels | 2 channels | 2 channels | 2 channels |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Approx. Unit Price (qty 1) | USD 14.78 | USD 14.50 | USD 14.78 | USD 14.50 | USD 17.20 |
주요 차별점
- Same-family Ethernet-focused drop-in alternative (vs ATSAME70Q20A-AN)
- Higher Flash option at same package (vs ATSAME70Q21B-AN)
- Same-die tape-and-reel variant (vs ATSAMS70Q20A-ANT)
설계 노트
Estimated: at 300 MHz full-load on the ATSAMS70Q20A-AN, the core current is around 95 mA at 1.2 V, giving ~115 mW core draw plus 50-80 mA through the I/O rails at 3.3 V. Designers should provide 0.1 µF + 1 µF ceramic decoupling on every VDDCORE/VDDIO pin group, plus a 4.7 µF bulk on the main rail. Sequence the core rail before the I/O rail at startup to avoid latch-up. Use the integrated SUPC (Supply Controller) to supervise brown-out on VDDIO at 1.6 V typical. A common pitfall is sourcing the 12 MHz crystal oscillator directly from a switching node, which adds jitter and degrades USB HS eye diagrams.
The 144-pin LQFP (0.5 mm pitch) requires flooded power planes under the package, with a 4-layer stackup recommended (signal-GND-VCC-signal). Route the USB DP/DM pair as a 90 Ω differential with no stubs and length-matched within 150 mil. The Ethernet RMII/RGMII bus should be length-matched to within 50 mil. Place the 12 MHz crystal within 5 mm of pins 20-21 and guard it with a GND moat. The 32.768 kHz low-power crystal layout should follow the same guarding rule. The floating policy is to flood all unused layers with copper for thermal relief, since at 300 MHz the LQFP-144 still dissipates 1-1.5 W under typical load.
Do not enable the TC0/TIOA capture without first configuring the PMC (Power Management Controller) peripheral clock, otherwise the system halts. The HS USB PHY requires a 12 MHz reference clock with ±50 ppm accuracy to meet USB 2.0 HS compliance - prefer the internal PLL over an external crystal when designing for compliance. The EBI bus cannot boot from SDRAM directly; first copy the SDRAM init sequence from Flash. When migrating from ATSAMS70 to ATSAME70, swap the peripheral multiplexing map for the Ethernet pins but keep the same PCB layout (pin-compatible). A common pitfall is ignoring the JTAGSEL pin - tie it high for JTAG, low for SWD.
Estimated: at 1.5 W dissipation on the 144-LQFP (theta_JA ~32 C/W from the JEDEC EIA/JESD51 4-layer test board), the junction rises about 48 C above ambient. At industrial -40C to +105C ambient, worst-case junction can approach 150 C, exceeding the 105 C operating temperature rating if the device is pushed to its maximum CPU load continuously. Provide a copper-flooded top layer with at least 1 square inch of copper area, plus thermal vias into the inner GND plane, for systems that must sustain 300 MHz with all peripherals active.
규정 준수 정보
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose ATSAMV71Q21B-AABT for automotive. Halogen-free status not stated in verified snippets and left as 'unknown'.
