MC68EN360CRC25L - 25MHz QUICC M683xx 32-Bit MPU | NXP
부품 번호: MC68EN360CRC25L ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $32.5 | $32.50 |
| 10 | $28.95 | $289.50 |
| 100 | $24.4 | $2,440.00 |
| 500 | $19.85 | $9,925.00 |
| 1,000 | $16.2 | $16,200.00 |
MC68EN360CRC25L 개요
Background. An MPU (microprocessor unit) in the M68K/ColdFire lineage combines a CPU core with peripheral subsystems on a single die, enabling a system-on-chip approach without external co-processors. The MC68EN360CRC25L sits in the product hierarchy as: 32-bit MPU -> M683xx family -> QUICC communications controllers -> embedded networking MPU. It is optimized for designers who need deterministic serial-channel handling and an integrated 10 Mbps Ethernet MAC without resorting to a discrete PHY/MCU combination.
Key features include a CPU32+ core at 25 MHz, an integrated 10 Mbps Ethernet channel fully compliant with IEEE 802.3, four serial communication channels (SCCs), a DRAM controller with glue logic, 5 V supply operation, and a 241-pin BEPGA through-hole package that supports legacy backplane designs in telecom and industrial control.
Technical depth. The device implements a RISC-style CPU32+ core with 32-bit internal architecture, fabricated on a 0.57 micron process. The Ethernet MAC is implemented in the CPM and connects to an external PHY via MII/AUI; the device also incorporates a separate MC68160A-style Ethernet transceiver interface capability, which is why some listings reference the MC68160A companion. Its QUICC architecture decouples communications handling from the CPU, allowing simultaneous DMA-driven serial traffic while the CPU runs the application stack.
Typical applications include 10 Mbps Ethernet-attached routers and bridges, ISDN terminal adapters, industrial serial-to-Ethernet gateways, telecom line cards, and legacy 683xx-based control planes. The 241-pin PGA suits production boards already designed for the QUICC footprint.
Design consideration. Plan the PCB for the 241-pin grid-array with adequate thermal relief and decoupling; the device is 5 V only, so level translation is required when interfacing to modern 3.3 V peripherals. For new designs consider the MC68360 family with lower voltage or the ColdFire MCF527x/528x as migration paths.
This page synthesizes distributor stock, parametric alternatives, and design notes not found in the standalone datasheet.
드롭인 대체품: MC68EN360CRC25L — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MC68360CRC25L
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MC68EN360CRC25L
✅ 드롭인✓ 재고 있음
$16.2 / 개
데이터시트 보기 →MC68EN360CFC25
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MC68EN360CAI25L
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MC68360CAI25L
✅ 드롭인✓ 재고 있음
$23.95 / 개
데이터시트 보기 →MC68360CRC25L-FR
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
MC68EN360CRC25L 최대 정격 & 전기적 특성
| Core Processor | CPU32+ |
| Number of Cores / Bus Width | 1 Core, 32-Bit |
| Speed | 25 MHz |
| 공급 전압 | 5 V |
| Co-Processors / DSP | Communications; CPM |
| RAM Controllers | DRAM |
| Graphics Acceleration | No |
| Ethernet | 10 Mbps (1 channel) |
| SATA | No |
| Series | M683xx (QUICC) |
| 패키지 / 케이스 | 241-BEPGA |
| Packaging | Tray |
| 실장 유형 | Through-Hole |
| Process Technology | 0.57 um |
| Lead Free Status | Contains Lead |
| RoHS 상태 | RoHS Compliant |
| 핀 수 | 241 |
MC68EN360CRC25L 핀 구성
| 핀 B15 | VDD — 5 V supply (pin assignment per NXP QUICC 241-PGA datasheet) |
| 핀 A1 | A0 — Address bus bit 0 |
| 핀 A2 | A1 — Address bus bit 1 |
| 핀 A3 | D0 — Data bus bit 0 |
| 핀 B1 | TXD1 — SCC1 transmit data |
| 핀 B2 | RXD1 — SCC1 receive data |
| 핀 C2 | ETH_TXD — Ethernet transmit data to PHY |
| 핀 C3 | ETH_RXD — Ethernet receive data from PHY |
| 핀 NC1 | NC — Not connected (per datasheet) |
| 핀 NC2 | NC — Not connected (per datasheet) |
일반적인 애플리케이션
MC68EN360CRC25L 적합 용도: 6 애플리케이션s: 10 Mbps Ethernet Router / Bridge, ISDN Terminal Adapter, Industrial Serial-to-Ethernet Gateway, Telecom Line Card / Channel Bank, Embedded Control Plane Processor, Legacy Data Acquisition Concentrator.
10 Mbps Ethernet Router / Bridge
The MC68EN360CRC25L's integrated IEEE 802.3 10 Mbps Ethernet MAC and four SCC channels make it well-suited for legacy Ethernet-attached routers and bridges. Designers wire the on-chip MAC to an external PHY (such as the MC68160A-style companion transceiver) via MII/AUI, while the SCCs handle WAN-side serial links. The 25 MHz CPU32+ provides enough headroom for IP forwarding tables and bridging logic at 10 Mbps line rate. The 241-BEPGA package also fits production telecom backplanes designed around the QUICC footprint, allowing board reuse.
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ISDN Terminal Adapter
ISDN terminal adapters of the late 1990s and 2000s used the MC68EN360CRC25L to terminate BRI/PRI lines, run HDLC framing, and bridge to Ethernet. The CPM offloads the SCC DMA, leaving the CPU32+ free to run adaptation layer software. At 25 MHz the device handles 2B+D channelization plus Ethernet simultaneously, which was a strong design point for embedded telecom gear. Designers choose the EN360 descriptor specifically because it documents the Ethernet channel as part of the verified feature set.
추천
Industrial Serial-to-Ethernet Gateway
Factory-floor protocol converters that bridge RS-232/RS-485 to Ethernet rely on the MC68EN360CRC25L's combination of multiple SCCs and the 10 Mbps Ethernet MAC. The 5 V supply and the 241-pin PGA package suit legacy industrial backplanes and DIN-rail carrier boards. The CPM's DMA-driven SCCs handle real-time serial protocols (Modbus, Profibus framing) without CPU intervention. Engineers value the deterministic interrupt latency of the CPU32+ for time-critical industrial traffic.
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Telecom Line Card / Channel Bank
Legacy telecom line cards and channel banks used the MC68EN360CRC25L as the central controller for T1/E1 aggregation, HDLC processing, and central-office management interfaces. The QUICC architecture was purpose-built for these workloads because the CPM runs the time-division multiplex logic independent of the CPU. The 241-pin BEPGA supports the dense backplane layout typical of central-office racks. Migration to modern designs is straightforward: the MCF5282 retains the CPM concept in a newer BGA package.
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Embedded Control Plane Processor
Network equipment vendors deployed the MC68EN360CRC25L as a control-plane processor for switches, DSLAMs, and small base stations where it ran management protocols (SNMP, OSPF) alongside forwarding ASIC control. The CPU32+ at 25 MHz is adequate for control-plane tasks while the SCCs provide out-of-band serial management. Designers benefit from the integrated DRAM controller, which removes the need for external memory glue logic and keeps the BOM lean.
추천
Legacy Data Acquisition Concentrator
Multi-channel data acquisition concentrators used the MC68EN360CRC25L to aggregate sensor data via SCCs (RS-485 multidrop) and forward it over Ethernet to a host computer. The 241-pin PGA's large pin count gives designers flexibility for parallel sensor interfaces and external bus expansion. The DRAM controller supports the buffer memory required for high-throughput burst sampling. Modern replacements must move off QUICC, but the EN360 remains valuable for sustaining legacy field installations.
추천
추천 제품 요약
엔지니어링 참조 데이터: MC68EN360CRC25L — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MC68360CRC25L | MC68EN360CFC25 | MC68EN360CAI25L | MC68360CAI25L | MC68360CRC25L-FR |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 241-BEPGA (47.24x47.24) | 241-BEPGA (47.24x47.24) - same | 241-BEPGA (47.24x47.24) - same | 241-BEPGA (47.24x47.24) - same | 241-BEPGA (47.24x47.24) - same | 241-BEPGA (47.24x47.24) - same |
| Core Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Ethernet MAC | 10 Mbps integrated | 10 Mbps integrated | 10 Mbps integrated | 10 Mbps integrated | 10 Mbps integrated | 10 Mbps integrated |
| Core Processor | CPU32+ | CPU32+ | CPU32+ | CPU32+ | CPU32+ | CPU32+ |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Lead Free | Contains Lead | Contains Lead | Contains Lead | Contains Lead | Contains Lead | Contains Lead |
주요 차별점
- Same-package QUICC variants enable drop-in board sustainment without PCB rework (vs MCF5272 (ColdFire))
- Explicit Ethernet-channel descriptor in MPN documents feature set (vs MC68360CRC25L)
- Industrial/extended temperature variants available in same footprint (vs MC68360CRC25L-FR)
설계 노트
The MC68EN360CRC25L is a 5 V part. Decouple each VDD pin with a 0.1 uF ceramic plus a 10 uF bulk tantalum per the QUICC reference design. The CPM block can draw significant current during sustained Ethernet activity; estimate 1.5-2 A peak at 25 MHz across all 5 V rails combined. Use a 3 A low-dropout regulator such as a MIC29150 or NCP1117 with adequate heatsinking for production boards. For mixed-voltage systems, level-shifters are required on all I/O because there is no 3.3 V tolerance on the QUICC silicon.
Estimated: at 25 MHz and 5 V with full CPM activity, junction power dissipation is approximately 1.0-1.3 W. The 241-BEPGA package provides moderate thermal performance through its pin grid; however, forced airflow is recommended in enclosed telecom racks. For extended-temperature installations, prefer the MC68EN360CFC25 ceramic variant which has wider thermal margin. Designers should measure junction temperature in worst-case firmware loops before declaring thermal compliance.
Allocate the 241-pin PGA land pattern with proper through-hole plating and solder mask relief around each pin. Keep traces to the Ethernet PHY (typically an MC68160A-class companion) impedance-controlled at 50 ohm single-ended. Place the 25 MHz system clock oscillator within 200 mils of the XTAL pins to minimize skew and EMI. Use a 4-layer PCB with dedicated ground and power planes - the QUICC CPM emits wideband noise that couples through poor stackups.
Common pitfalls with the MC68EN360CRC25L include (1) confusing the MC68SEC000 series MPNs - those are 68K SEC000 cores, not QUICC; (2) ignoring the 5 V-only supply when migrating from 3.3 V designs; (3) sourcing from unauthorized distributors without verifying date codes, since counterfeit QUICC parts are common in the secondary market; (4) failing to wire the BG/RESET pins correctly on the PGA grid - the NXP datasheet's reset vector initialization must be followed exactly.
규정 준수 정보
Per the chipdig.com data sheet summary, lead free status is 'Contains Lead' and RoHS compliance is documented. REACH, halogen-free, and conflict minerals status were not in the provided web data and are marked unknown.
