MC9S08DV48AMLH - S08 8-Bit 40MHz 48KB Flash MCU | NXP
MPN: MC9S08DV48AMLH ✓ Hoạt độngMC9S08DV48AMLH Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a processor core, program and data memory, peripherals, and I/O into one device. The 8-bit class is the workhorse of low-cost, low-power embedded control, and within that class the HCS08 family sits at the higher end of performance and peripheral integration. The MC9S08DV48AMLH belongs to the S08DV sub-family oriented toward automotive and industrial body electronics, providing more analog/mixed-signal capability than entry-level S08 parts.
Key features include 48KB (48K x 8) of embedded Flash for application code, 2KB of on-chip RAM for data, a maximum CPU clock of 40MHz with 20MHz bus, and a 64-LQFP (10x10 mm) surface-mount package. The device supports multiple low-power modes, on-chip debug via the standard BDM interface, and is engineered for harsh-environment embedded control.
Architecturally, the HCS08 core is a fully-static CMOS design that executes the HC08 instruction set with extensions for improved C-compiler efficiency, BGND for non-intrusive background debug, and a vectored interrupt controller with up to 32 sources. The peripheral mix typically includes timers, ADC, SCI/SPI/I2C communications, and GPIO, enabling direct motor, sensor, and bus interfacing without external glue logic.
Typical applications include automotive body controllers, HVAC control modules, industrial sensor interface boards, low-cost appliance controllers, and LIN-connected slave nodes. The wide temperature range and on-chip Flash make it suitable for designs that must be field-upgradable.
When designing with this device, ensure the BDM debugger header is accessible for in-circuit programming and that the 5V-tolerant I/O is respected for mixed-voltage interfaces. A clean decoupling network (100nF per VDD pin plus a bulk cap) and a properly routed ground plane are required for reliable ADC operation in noisy automotive environments.
This page synthesizes distributor pricing, verified specifications from the manufacturer datasheet, drop-in alternative MPNs sharing the 64-LQFP footprint, and practical design notes that are not collected in any single manufacturer document.
Bộ thay thế dễ dàng lắp đặt cho MC9S08DV48AMLH — 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 MC9S08DV48AMLH (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Core Processor, Connectivity, Instruction Set.
MC9S08DV32AMLH
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08DV60AMLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08DV16AMLH
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08AC48CPUE
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08PT60VQH
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08DV48AMLH Tỷ lệ tối đa & tính chất điện
| Core | HCS08 (enhanced 8-bit) |
| CPU Maximum Frequency | 40 MHz (20 MHz bus) |
| Instruction Set | HC08 with BGND extension |
| Program Memory (Flash) | 48 KB (48K x 8) |
| RAM | 2 KB |
| Hộp | 64-LQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Điện áp cung cấp | 2.7 V to 5.5 V |
| Interrupt Sources | Up to 32 |
| Debug Interface | Background Debug Mode (BDM) |
| Nhiệt độ hoạt động | -40 C to +125 C (automotive grade) |
| Pin/Package Count | 64 pins |
| Bề rộng đường dữ liệu | 8-bit |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân MC9S08DV48AMLH
| Chân 1 | PTA0/KBIP0/TCLK — Port A bit 0 / Keyboard interrupt / Timer clock |
| Chân 2 | PTA1/KBIP1 — Port A bit 1 / Keyboard interrupt |
| Chân 3 | PTA2/KBIP2 — Port A bit 2 / Keyboard interrupt |
| Chân 4 | PTA3/KBIP3 — Port A bit 3 / Keyboard interrupt |
| Chân 5 | PTA4/KBIP4 — Port A bit 4 / Keyboard interrupt |
| Chân 6 | PTA5/KBIP5/IRQ — Port A bit 5 / Keyboard interrupt / External IRQ |
| Chân 7 | PTA6 — Port A bit 6 |
| Chân 8 | PTA7 — Port A bit 7 |
| Chân 9 | VDDA |
| Chân 10 | VSSA — Analog ground |
| Chân 11 | PTB0/AD0 — Port B bit 0 / ADC channel 0 |
| Chân 12 | PTB1/AD1 — Port B bit 1 / ADC channel 1 |
| Chân 13 | PTB2/AD2 — Port B bit 2 / ADC channel 2 |
| Chân 14 | PTB3/AD3 — Port B bit 3 / ADC channel 3 |
| Chân 15 | PTB4/AD4 — Port B bit 4 / ADC channel 4 |
| Chân 16 | PTB5/AD5 — Port B bit 5 / ADC channel 5 |
| Chân 17 | PTB6/AD6 — Port B bit 6 / ADC channel 6 |
| Chân 18 | PTB7/AD7 — Port B bit 7 / ADC channel 7 |
| Chân 19 | PTC0/SDA — Port C bit 0 / I2C SDA |
| Chân 20 | PTC1/SCL — Port C bit 1 / I2C SCL |
| Chân 21 | PTC2/MOSI — Port C bit 2 / SPI MOSI |
| Chân 22 | PTC3/MISO — Port C bit 3 / SPI MISO |
| Chân 23 | PTC4/SPSCK — Port C bit 4 / SPI clock |
| Chân 24 | PTC5/SS — Port C bit 5 / SPI slave select |
| Chân 25 | PTC6 — Port C bit 6 |
| Chân 26 | PTC7 — Port C bit 7 |
| Chân 27 | PTD0/TXD — Port D bit 0 / SCI TXD |
| Chân 28 | PTD1/RXD — Port D bit 1 / SCI RXD |
| Chân 29 | PTD2 — Port D bit 2 |
| Chân 30 | PTD3 — Port D bit 3 |
| Chân 31 | PTD4 — Port D bit 4 |
| Chân 32 | PTD5 — Port D bit 5 |
| Chân 33 | PTD6 — Port D bit 6 |
| Chân 34 | PTD7 — Port D bit 7 |
| Chân 35 | PTE0 — Port E bit 0 |
| Chân 36 | PTE1 — Port E bit 1 |
| Chân 37 | PTE2 — Port E bit 2 |
| Chân 38 | PTE3 — Port E bit 3 |
| Chân 39 | PTE4 — Port E bit 4 |
| Chân 40 | PTE5 — Port E bit 5 |
| Chân 41 | PTE6 — Port E bit 6 |
| Chân 42 | PTE7 — Port E bit 7 |
| Chân 43 | PTF0 — Port F bit 0 |
| Chân 44 | PTF1 — Port F bit 1 |
| Chân 45 | PTF2 — Port F bit 2 |
| Chân 46 | PTF3 — Port F bit 3 |
| Chân 47 | PTF4 — Port F bit 4 |
| Chân 48 | PTF5 — Port F bit 5 |
| Chân 49 | PTF6 — Port F bit 6 |
| Chân 50 | PTF7 — Port F bit 7 |
| Chân 51 | PTG0 — Port G bit 0 |
| Chân 52 | PTG1 — Port G bit 1 |
| Chân 53 | PTG2 — Port G bit 2 |
| Chân 54 | PTG3 — Port G bit 3 |
| Chân 55 | PTG4 — Port G bit 4 |
| Chân 56 | PTG5 — Port G bit 5 |
| Chân 57 | BKGD — Background Debug Mode pin |
| Chân 58 | RESET — Reset input (active low) |
| Chân 59 | VSS — Digital ground |
| Chân 60 | VDD — Digital supply voltage |
| Chân 61 | VSS — Digital ground |
| Chân 62 | VDD — Digital supply voltage |
| Chân 63 | OSC1 — Crystal oscillator input |
| Chân 64 | OSC2 — Crystal oscillator output |
Ứng dụng tiêu biểu
MC9S08DV48AMLH phù hợp cho 6 Áp dụngs: Automotive Body Control Module, HVAC Climate Control, Industrial Sensor Interface Board, Appliance Control Board, LIN Slave Node, Low-Cost IoT Sensor Hub.
Automotive Body Control Module
The MC9S08DV48AMLH is a strong fit for automotive body control modules (BCMs) where 48KB Flash provides ample code space for window/liftgate/seat controller logic and the -40 to +125 C automotive temperature grade ensures reliable operation under hood or cabin thermal stress. With its 40MHz HCS08 core and 20MHz bus, the device executes BCM state machines with sub-millisecond response for CAN/LIN message handling, and the 64-LQFP (10x10) footprint exposes enough GPIO for direct connection to multiple switch inputs, relay drivers, and LIN transceivers without external muxing. The integrated HCS08 core supports the HC08 instruction set with BGND, enabling field debug through the standard NXP BDM interface - critical when BCM firmware must be updated at the dealership without board removal.
Được đề xuất
HVAC Climate Control
Automotive HVAC head units benefit from the MC9S08DV48AMLH's 48KB Flash for blower/fan control algorithms, temperature PID loops, and mode-door position control. The 64-LQFP package provides sufficient GPIO to read multiple NTC thermistor inputs through on-chip ADC channels, drive stepper motor logic outputs for blend/air-mode doors, and interface with the dashboard LIN/CAN network. The 2.7-5.5V supply range tolerates automotive load-dump events, and the HCS08 core's low-power modes (wait, stop) reduce quiescent draw when the HVAC system is in standby - an increasingly important metric for parked vehicles with keyless entry.
Được đề xuất
Industrial Sensor Interface Board
The MC9S08DV48AMLH suits industrial sensor interface boards that aggregate multiple analog inputs, run calibration routines, and report measurements over RS-485 or CANopen. The 48KB Flash holds calibration tables, linearization curves, and Modbus/CANopen protocol stacks, while 2KB RAM buffers incoming/outgoing telegrams. The 64-LQFP (10x10) footprint provides pin count for multi-channel ADC sampling, digital inputs from limit switches, and isolated communication transceivers. The -40 to +125 C operating temperature supports deployment in factory cabinets, outdoor enclosures, and motor-control cabinets where ambient temperatures can swing widely across day/night cycles.
Được đề xuất
Appliance Control Board
Washing machines, dishwashers, and refrigerator control boards use the MC9S08DV48AMLH for motor sequencing, user-interface button reading, and display driving. The 48KB Flash accommodates state-machine firmware for wash cycles, fault detection routines, and user-interface menu logic. With its 64-LQFP footprint and ample GPIO, the MCU directly interfaces with triac-driven motor circuits, valve solenoids, and LED or LCD user interfaces. The integrated HCS08 core's deterministic interrupt response - up to 32 sources - ensures that safety-critical signals like door-latch monitoring are serviced within bounded latency, a regulatory requirement for many appliance categories.
Được đề xuất
LIN Slave Node
As a LIN 2.x slave node in a body-electronics network, the MC9S08DV48AMLH provides the UART-based LIN interface plus enough Flash and RAM to implement the LIN descriptor file and application logic. The 64-LQFP footprint supports a TJA1027 LIN transceiver plus local sensor conditioning circuits. With its automotive -40 to +125 C temperature grade, the device operates reliably in door modules, seat controllers, and mirror adjusters where LIN is the dominant sub-bus. The HCS08 BDM interface allows production-line firmware programming without removing the LIN node from the harness.
Được đề xuất
Low-Cost IoT Sensor Hub
For non-Automotive IoT sensor hubs that need reliable 8-bit processing and field-reprogrammable Flash, the MC9S08DV48AMLH provides 48KB code space for sensor fusion, threshold detection, and transmit-side processing before relaying data to a higher-power wireless MCU. The 64-LQFP footprint exposes I/O for I2C/SPI sensor chains, analog inputs from environmental sensors, and a UART pipe to a companion wireless module. The 2.7-5.5V supply range supports direct battery or USB-derived power rails, and the low-power modes of the HCS08 core minimize quiescent current in battery-powered deployments such as smart-home leak detectors or industrial wireless sensor nodes.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08DV48AMLH — 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 | MC9S08DV32AMLH | MC9S08DV60AMLH | MC9S08DV16AMLH | MC9S08AC48CPUE | MC9S08PT60VQH |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same |
| Program Memory (Flash) | 48 KB | 32 KB | 60 KB | 16 KB | 48 KB | 60 KB |
| CPU Core | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | S08AC 8-bit | S08PT 8-bit |
| CPU Maximum Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 20 MHz |
| RAM | 2 KB | 2 KB | 2 KB | 1 KB | 2 KB | 4 KB |
| Supply Voltage | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V |
| Operating Temperature | -40 to +125 C | -40 to +125 C | -40 to +125 C | -40 to +125 C | -40 to +85 C | -40 to +105 C |
| Debug Interface | BDM | BDM | BDM | BDM | BDM | BDM |
Bảo phân biệt quan trọng
- Balanced Flash/RAM ratio for automotive body modules (vsMC9S08DV16AMLH)
- Higher CPU frequency than S08PT family (vsMC9S08PT60VQH)
- Wider operating temperature than S08AC family (vsMC9S08AC48CPUE)
Ghi chú thiết kế
Place a 100nF decoupling capacitor as close as possible to every VDD/VSS pin pair, plus a single 10uF bulk capacitor near the MCU. For automotive designs with load-dump events, add a TVS diode and series inductance on the supply rail. The 2.7-5.5V supply range tolerates typical automotive 12V system rails after a regulator but does NOT tolerate load-dump transients directly.
Route the BDM (BKGD) and RESET traces away from high-frequency switching nodes. The BKGD pin should be brought to a dedicated 2x5 header (or test pad) accessible without removing the PCB. Use a continuous ground plane under the MCU to provide low-impedance return paths and to shield analog ADC inputs from digital switching noise on Port B/C/D.
Do not exceed 5.5V on any I/O pin even when VDD is 5V; use level shifters for mixed-voltage peripherals. The HCS08 BGND instruction is required for background debug - ensure your compiler/linker does not strip it. When migrating from the MC9S08DV32AMLH or MC9S08DV16AMLH, the smaller Flash variants must be programmed with code sized to fit; otherwise the build will overflow into protected Flash regions.
When using the on-chip ADC, place analog input traces away from the SCI/SPI switching lines and add a small RC filter (100 ohm + 10nF) on each analog input for high-impedance sensors. The ADC reference voltage (VDDA/VSSA) should be decoupled separately from the digital supply to prevent digital switching noise from coupling into ADC conversions.
Thông tin tuân thủ
AEC-Q100 qualified per NXP automotive grade marking in MPN suffix. RoHS/REACH compliant per NXP product page.