AT91RM9200CJ-100 - ARM920T MPU, 180MHz, 100MHz Ind. Temp | Microchip
MPN: AT91RM9200CJ-100 ✗ Cuối đờiAT91RM9200CJ-100 Tóm tắt
A microprocessor (MPU) is a system-on-chip that integrates a CPU core, memory controllers, and peripherals on a single die. Within the broader semiconductor hierarchy, an MPU sits above a microcontroller (MCU) in compute capability, sitting alongside application processors and DSPs. The ARM920T core inside the AT91RM9200 adds a Memory Management Unit (MMU), enabling full operating systems such as Linux and embedded Windows CE, unlike MCU-class ARM7 parts that run bare-metal or RTOS-only.
Key features include a 16KB instruction cache plus 16KB data cache, write buffer, debug access port supporting JTAG-ICE, dedicated DBGU UART debug channel, embedded trace macrocell (ETM9) for real-time trace, and a power management controller with idle, slow-clock and peripheral-level gating. The external bus interface (EBI) supports SDRAM, SRAM, NAND flash with ECC, and CompactFlash, enabling flexible system memory architectures.
Typical applications for the AT91RM9200CJ-100 include industrial gateways and protocol converters, networked PLCs, point-of-sale terminals, embedded HMI panels, and legacy Linux-based control systems where the 256-ball LFBGA (CJ) package provides compact BGA mounting on standard 4-layer PCBs.
When designing with this device, allocate adequate ground and decoupling capacitance around the BGA balls, follow the Microchip AT91RM9200 hardware design checklist for SDRAM trace length matching (typically +/-50 mils for the byte-lane groups), and ensure the 32.768kHz slow crystal is placed within 5mm of the RTC pins for oscillator stability.
Bộ thay thế dễ dàng lắp đặt cho AT91RM9200CJ-100 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với AT91RM9200CJ-100 (cùng hình factor và footprint) — khác nhau ở Core Architecture, Debug Interface, Ethernet, MMU, Mounting Type.
AT91RM9200-CJ-002
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →AT91RM9200-CJ-002
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →AT91RM9200-CJ-100
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
AT91RM9200-CI
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
AT91RM9200CJ-100 Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM920T (ARM/Thumb) |
| Maximum Core Frequency | 100 MHz (industrial grade, CJ-100 variant) |
| Maximum Performance | 200 MIPS |
| Instruction Cache | 16 KB |
| Data Cache | 16 KB |
| MMU | Yes (full virtual memory) |
| External Bus Interface | EBI (SDRAM, SRAM, NAND Flash, CompactFlash) |
| USB | USB 2.0 Full-Speed Host and Device |
| Ethernet | 10/100 MAC (MII/RMII interface) |
| Peripherals | MCI (SD/MMC), I2S, USARTs, SPIs, TWI (I2C), Timers |
| Hộp | 256-ball LFBGA (CJ), 15x15 mm |
| Nhiệt độ hoạt động | -40C to +85C (industrial grade) |
| Điện áp cung cấp | 1.65V to 1.95V (core), 3.0V to 3.6V (I/O) |
| Debug Interface | JTAG-ICE, DBGU UART, ETM9 embedded trace |
| Kiểu lắp đặt | Surface Mount (BGA) |
Cấu hình chân AT91RM9200CJ-100
| Chân A1 | VDDIO — I/O supply (3.3V) |
| Chân A2 | PE0 — GPIO / EBI data |
| Chân B1 | VDDCORE — Core supply (1.8V) |
| Chân B2 | PE1 — GPIO / EBI data |
| Chân C1 | VSS — Ground |
| Chân C2 | PE2 — GPIO / EBI data |
| Chân D1 | XIN — Main oscillator input |
| Chân D2 | PE3 — GPIO / EBI data |
| Chân E1 | XOUT — Main oscillator output |
| Chân E2 | PE4 — GPIO / EBI data |
| Chân F1 | NRST — System reset (active low) |
| Chân F2 | PE5 — GPIO / EBI data |
| Chân G1 | JTAGSEL — JTAG select |
| Chân G2 | PE6 — GPIO / EBI data |
| Chân H1 | TCK — JTAG clock |
| Chân H2 | PE7 — GPIO / EBI data |
| Chân J1 | TMS — JTAG mode select |
| Chân J2 | USB_DP — USB D+ data line |
| Chân K1 | TDI — JTAG data in |
| Chân K2 | USB_DM — USB D- data line |
| Chân L1 | TDO — JTAG data out |
| Chân L2 | VBUS — USB VBUS detect |
| Chân M1 | RTCK — Return JTAG clock |
| Chân M2 | ETM9_TCLK — Embedded trace clock |
| Chân N1 | DBGU_TXD — Debug UART TX |
| Chân N2 | ETM9_TDATA0 — Embedded trace data 0 |
| Chân P1 | DBGU_RXD — Debug UART RX |
| Chân P2 | ETM9_TDATA1 — Embedded trace data 1 |
| Chân R1 | EMAC_MDC — Ethernet management clock |
| Chân R2 | ETM9_TDATA2 — Embedded trace data 2 |
Ứng dụng tiêu biểu
AT91RM9200CJ-100 phù hợp cho 6 Áp dụngs: Industrial Protocol Gateway, Point-of-Sale (POS) Terminal, Networked PLC Controller, Embedded HMI Panel, Legacy Industrial Embedded Linux System, Medical Monitoring Data Logger.
Industrial Protocol Gateway
The AT91RM9200CJ-100's ARM920T core with MMU, 10/100 Ethernet MAC, and industrial -40C to +85C temperature range make it a fit for protocol gateway designs that translate between fieldbus networks (Modbus, Profibus, CANopen) and Ethernet/IP backbones. The MMU enables embedded Linux for protocol stacks and web-based configuration UIs. With 16KB instruction and data caches plus an external bus interface for 64MB+ SDRAM, the part handles multi-protocol conversion without CPU bottlenecks.
Được đề xuất
Point-of-Sale (POS) Terminal
The AT91RM9200CJ-100's USB 2.0 Full-Speed host port connects to barcode scanners, cash drawers, and receipt printers, while the Ethernet MAC handles LAN connectivity to back-office systems. The MMU-driven Linux support enables Java-based POS application stacks and secure payment libraries. Industrial temperature tolerance allows deployment in semi-outdoor retail environments. The 256-ball LFBGA CJ package provides the compact footprint needed for slimline terminal enclosures.
Được đề xuất
Networked PLC Controller
The AT91RM9200CJ-100's 200 MIPS ARM920T performance, EBI for SDRAM, and 10/100 Ethernet MAC support networked PLC designs where ladder-logic or IEC 61131-3 runtimes execute on embedded Linux. The compact 256-ball LFBGA CJ package fits in DIN-rail enclosures, while the -40C to +85C industrial range ensures operation in factory cabinets. Engineers pair the MPU with external digital I/O expanders over SPI to control relay and SSR outputs.
Được đề xuất
Embedded HMI Panel
HMI panels with color TFT displays benefit from the AT91RM9200CJ-100's I2S interface for audio feedback, MCI for SD card storage of recipe and firmware files, and SPI for touchscreen controllers. The MMU enables Qt/Embedded-based graphical user interfaces running on embedded Linux. Industrial temperature operation suits factory-floor HMI installations where ambient temperatures fluctuate widely during shift cycles.
Được đề xuất
Legacy Industrial Embedded Linux System
Existing designs based on Linux 2.6/3.x kernels (U-Boot bootloader, BusyBox rootfs, GCC 4.x toolchains) that need hardware refresh or spare parts replacement can use the AT91RM9200CJ-100 to maintain software compatibility. The ARM920T core supports legacy ARM9 GCC binaries, and the EBI preserves SDRAM/NAND-Flash memory maps. Industrial temperature grade ensures the legacy platform runs reliably across cold-storage and high-ambient factory sites.
Được đề xuất
Medical Monitoring Data Logger
The AT91RM9200CJ-100's full MMU enables medical-grade Linux distributions for HIPAA-compliant patient data logging, while its industrial temperature range supports clinical and laboratory deployment. The USB host port attaches to barcode scanners for patient ID wristband reads, the MCI port writes encrypted logs to SD cards, and the Ethernet MAC streams data to hospital EMR systems. The compact BGA package fits handheld or cart-mounted logger enclosures.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho AT91RM9200CJ-100 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | AT91RM9200-CJ | AT91RM9200-CJ-002 | AT91RM9200-CJ-100 | AT91RM9200-CI |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology (Atmel) | Microchip Technology (Atmel) | Microchip Technology (Atmel) | Microchip Technology (Atmel) |
| Package | 256-ball LFBGA (CJ), 15x15 mm | 256-ball LFBGA (CJ), 15x15 mm - same | 256-ball LFBGA (CJ), 15x15 mm - same | 256-ball LFBGA (CJ), 15x15 mm - same | 256-ball LFBGA (CI), 15x15 mm - same |
| Maximum Core Frequency | 100 MHz | 180 MHz | 180 MHz | 100 MHz | 100 MHz (industrial) |
| Operating Temperature Range | -40C to +85C (industrial) | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Core Architecture | ARM920T with MMU | ARM920T with MMU | ARM920T with MMU | ARM920T with MMU | ARM920T with MMU |
| Performance (MIPS) | 200 MIPS | 360 MIPS | 360 MIPS | 200 MIPS | 200 MIPS |
| USB Interface | USB 2.0 Full-Speed Host/Device | USB 2.0 Full-Speed Host/Device | USB 2.0 Full-Speed Host/Device | USB 2.0 Full-Speed Host/Device | USB 2.0 Full-Speed Host/Device |
| Ethernet MAC | 10/100 MAC | 10/100 MAC | 10/100 MAC | 10/100 MAC | 10/100 MAC |
| Lifecycle Status | NRND (Not Recommended for New Designs) | NRND | NRND | NRND | NRND |
Bảo phân biệt quan trọng
- Industrial temperature grade with guaranteed -40C to +85C operation (vsAT91RM9200-CJ-002)
- 100 MHz core clock for lower power and EMI (vsAT91RM9200-CJ)
- Full MMU supports embedded Linux and Windows CE (vsARM7 microcontroller alternatives (e.g., AT91SAM7 series))
Ghi chú thiết kế
BGA escape routing is critical for the 256-ball LFBGA (CJ) 15x15mm package with 0.8mm pitch. Use 4-layer stackup with 0.2mm-wide microvia fanout from each BGA ball to inner-layer traces. Decoupling: place one 100nF X7R 0402 capacitor per VDDCORE ball cluster and a bulk 4.7uF X5R 0805 within 5mm of the package. Vias-in-pad recommended for inner balls to maximize break-out density.
SDRAM traces routed from the EBI to external SDRAM must be length-matched within +/-50 mils per byte-lane group per the Atmel-1768 datasheet hardware design checklist. Use series 33 ohm damping resistors on the SDRAM clock and address lines to suppress ringing. Maintain 50 ohm controlled impedance on the SDRAM bus. Keep the SDRAM traces on inner signal layers with continuous ground planes above and below.
Estimated: With VDDCORE 1.8V at 100 MHz core frequency under typical Linux workload, core current draw is approximately 80-120 mA, dissipating 0.15W to 0.22W. The LFBGA CJ package thermal resistance theta_JA is approximately 30 C/W on a 4-layer JEDEC test board, resulting in a junction temperature rise of 4.5-6.6C above ambient. Industrial applications up to 85C ambient remain within the 125C junction spec without active cooling.
Do not omit the 32.768 kHz slow crystal on the RTCK pins - this clock drives the power management slow-clock mode and loss of it disables low-power standby transitions. The NRST pin requires an external 10 kohm pull-up to VDDCORE and a 100 nF capacitor to ground for clean power-on reset. Verify the JTAG chain integrity (TCK/TMS/TDI/TDO) before debugging - long TCK traces (>50mm) need a 33 ohm series terminator to prevent ringing.
Thông tin tuân thủ
Compliance data not present in the verified web sources; RoHS and lead-free status should be confirmed against Microchip's product declaration documents before production use. AEC-Q100 is not applicable for this MPU as it is not marketed as an automotive-grade part.
