MC9S08MM32CLH - 8-Bit 48MHz S08 MCU 32KB Flash LQFP-64 | NXP
MPN: MC9S08MM32CLH ✓ Hoạt độngMC9S08MM32CLH Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that combines an 8-bit CPU, program memory (Flash), data memory (RAM), and a rich set of peripherals (timers, ADC, communication interfaces, GPIOs) into one IC. 8-bit MCUs occupy the lowest tier of the microcontroller family tree: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC, and remain the dominant choice for cost- and power-sensitive applications where full 32-bit processing is unnecessary.
Key features of the MC9S08MM32CLH include background debug mode (BDM) for in-circuit programming, a 16-bit timer/PWM module, multiple serial interfaces (SCI/SPI), a 10-channel 12-bit ADC analog front end, an analog comparator, and an internal clock generator that can run from an external crystal or internal 1 kHz low-power oscillator. The 64-LQFP footprint exposes 56 GPIO-capable pins, providing wide parallel bus or multiple peripheral capability.
Architecturally, the S08 core uses a von Neumann-style unified bus with a single-cycle access to Flash and two-cycle access to RAM. The 48MHz bus at 24MHz core (2:1 bus ratio) yields 48MHz effective instruction throughput with multi-cycle instructions reflecting the CISC heritage. The integrated voltage regulator and power management support multiple STOP and WAIT modes for battery-friendly duty cycling.
Typical applications include USB device peripherals, touch-interface human-machine interfaces (HMI), low-cost consumer electronics, security and access control panels, motor control reference designs (small BLDC drivers under 100W), industrial sensor conditioning, and battery-powered handheld instrumentation. Its small footprint and integrated peripherals suit it for cost-sensitive designs transitioning from older HC08 or PIC16 architectures.
When designing with the MC9S08MM32CLH, decouple VDD with a 100nF ceramic capacitor close to each supply pin pair, and provide a bulk 4.7uF capacitor near the chip. Use the BDM interface for firmware upgrades by reserving a 2x5 pin header on the board, and place the external crystal within 5mm of the XTAL pins with a clean ground return to reduce jitter in USB applications.
This page synthesizes verified distributor pricing, parametric drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, helping engineers evaluate the part in the context of contemporary 8-bit MCU alternatives for cost-optimized embedded designs.
Bộ thay thế dễ dàng lắp đặt cho MC9S08MM32CLH — 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 MC9S08MM32CLH (cùng hình factor và footprint) — khác nhau ở Core, RoHS Status, Connectivity, Number of I/O, Oscillator Type.
MC9S08MM32VLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08MM32VLC
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08JM32CLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08MM32CLKE
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08MM32CLD
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08MM32CLH Tỷ lệ tối đa & tính chất điện
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Series | S08MM |
| Core Processor | HCS08 (S08 CISC) |
| Core Size | 8-Bit |
| Core Speed | 48 MHz |
| Program Memory | 32 KB Flash (32K x 8) |
| RAM Size | 2 KB |
| Data EEPROM | Not specified in datasheet excerpt |
| Điện áp cung cấp | 1.8 V to 3.6 V (2.5 V/3.3 V typical) |
| Nhiệt độ hoạt động | -40C to +85C |
| Hộp | 64-LQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Program Memory Type | FLASH |
| Connectivity | SCI, SPI, I2C |
| Peripherals | PWM, 12-bit ADC, Analog Comparator, Timers |
| Number of I/O | 56 (approximate, GPIO capable) |
| Oscillator Type | Internal + External Crystal |
| RoHS | Compliant |
Cấu hình chân MC9S08MM32CLH
| Chân 1 | PTC0 — General-purpose I/O / peripheral pin (refer to S08MM datasheet for specific mapping) |
| Chân 2 | PTC1 — General-purpose I/O |
| Chân 3 | PTC2 — General-purpose I/O |
| Chân 4 | PTC3 — General-purpose I/O |
| Chân 5 | PTC4 — General-purpose I/O |
| Chân 6 | PTC5 — General-purpose I/O |
| Chân 7 | PTC6 — General-purpose I/O |
| Chân 8 | PTC7 — General-purpose I/O |
| Chân 9 | PTD0 — General-purpose I/O |
| Chân 10 | PTD1 — General-purpose I/O |
| Chân 11 | PTD2 — General-purpose I/O |
| Chân 12 | PTD3 — General-purpose I/O |
| Chân 13 | PTD4 — General-purpose I/O |
| Chân 14 | PTD5 — General-purpose I/O |
| Chân 15 | PTD6 — General-purpose I/O |
| Chân 16 | PTD7 — General-purpose I/O |
| Chân 17 | VSS — Ground |
| Chân 18 | VDD — Supply voltage (1.8V-3.6V) |
| Chân 19 | PTA0 — General-purpose I/O (with peripheral mapping) |
| Chân 20 | PTA1 — General-purpose I/O |
| Chân 21 | PTA2 — General-purpose I/O |
| Chân 22 | PTA3 — General-purpose I/O |
| Chân 23 | PTA4 — General-purpose I/O |
| Chân 24 | PTA5 — General-purpose I/O |
| Chân 25 | PTA6 — General-purpose I/O |
| Chân 26 | PTA7 — General-purpose I/O |
| Chân 27 | PTB0 — General-purpose I/O |
| Chân 28 | PTB1 — General-purpose I/O |
| Chân 29 | PTB2 — General-purpose I/O |
| Chân 30 | PTB3 — General-purpose I/O |
| Chân 31 | PTB4 — General-purpose I/O |
| Chân 32 | PTB5 — General-purpose I/O |
| Chân 33 | PTB6 — General-purpose I/O |
| Chân 34 | PTB7 — General-purpose I/O |
| Chân 35 | VSS — Ground |
| Chân 36 | VDD — Supply voltage |
| Chân 37 | IRQ_b — External interrupt request |
| Chân 38 | RESET_b — Reset (active-low) |
| Chân 39 | BKGD/MS — Background debug / mode select |
| Chân 40 | EXTAL — External clock/crystal input |
| Chân 41 | XTAL — External clock/crystal output |
| Chân 42 | VSS — Ground |
| Chân 43 | VDD — Supply voltage |
| Chân 44 | ADC0 — 12-bit ADC analog input 0 |
| Chân 45 | ADC1 — 12-bit ADC analog input 1 |
| Chân 46 | ADC2 — 12-bit ADC analog input 2 |
| Chân 47 | ADC3 — 12-bit ADC analog input 3 |
| Chân 48 | ADC4 — 12-bit ADC analog input 4 |
| Chân 49 | ADC5 — 12-bit ADC analog input 5 |
| Chân 50 | ADC6 — 12-bit ADC analog input 6 |
| Chân 51 | ADC7 — 12-bit ADC analog input 7 |
| Chân 52 | VREFH — ADC high reference |
| Chân 53 | VREFL — ADC low reference |
| Chân 54 | VSSAD — Analog ground |
| Chân 55 | VDDAD — Analog supply |
| Chân 56 | PTE0 — General-purpose I/O |
| Chân 57 | PTE1 — General-purpose I/O |
| Chân 58 | PTE2 — General-purpose I/O |
| Chân 59 | PTE3 — General-purpose I/O |
| Chân 60 | PTE4 — General-purpose I/O |
| Chân 61 | PTE5 — General-purpose I/O |
| Chân 62 | PTE6 — General-purpose I/O |
| Chân 63 | PTE7 — General-purpose I/O |
| Chân 64 | NC — Not connected (per datasheet - check pinout for any specific gating) |
Ứng dụng tiêu biểu
MC9S08MM32CLH phù hợp cho 7 Áp dụngs: USB Device Peripherals (HID / CDC / Custom), Touch Interface HMI Panels, Low-Cost Consumer Electronics, Security and Access Control Panels, Small BLDC Motor Control, Industrial Sensor Conditioning, Battery-Powered Handheld Instrumentation.
USB Device Peripherals (HID / CDC / Custom)
The MC9S08MM32CLH is a good fit for low-cost USB device applications when paired with an external USB transceiver or used for serial-only peripherals. Its 48 MHz HCS08 core handles USB 1.1 full-speed polling loops with margin, and the 32 KB Flash accommodates HID/CDC class descriptors and state machines. Placed next to a USB type-B connector and an FT-style bridge, the MM32 manages endpoint 0 control transfers plus interrupt-IN transactions. Compared with newer Cortex-M0+ MCUs, the MM32 trades modern USB stacks for lower unit cost in mature HID designs.
Được đề xuất
Touch Interface HMI Panels
The MC9S08MM32CLH is well-suited to low-cost human-machine interface (HMI) boards driving 4x4 button matrices and character LCDs. The 56 available GPIO-capable pins scan up to 32 keys via a diode-matrix scheme without external I/O expanders, while the integrated 12-bit ADC reads resistive touch screens via a simple resistor ladder. The 48 MHz core executes debounce and key-cue logic in tens of microseconds, leaving plenty of headroom for the LCD refresh loop. Industrial-rated temperature operation allows deployment in factory floor enclosures.
Được đề xuất
Low-Cost Consumer Electronics
The MC9S08MM32CLH targets cost-sensitive consumer products such as remote controls, kitchen appliances, and entry-level toys where per-unit MCU cost dominates BOM decisions. At roughly 32 KB Flash and 2 KB SRAM, the part fits typical appliance firmware (UI handler, sensor polling, basic motor sequencing). The wide 1.8V-3.6V supply range supports direct operation from 2xAA batteries with no regulator overhead. Compact designs benefit from the 10x10 mm LQFP that fits even sub-30x30 mm PCBs.
Được đề xuất
Security and Access Control Panels
The MC9S08MM32CLH provides the processing core for wired access-control keypads, RFID reader modules, and small alarm panels. Its on-chip Flash supports secure code storage with hardware block-protection, and the integrated analog comparator is handy for line-fault detection on supervised loops. The 48 MHz core can sustain RSA-light verification routines for keypad entry, and the dual SCI ports allow simultaneous Wiegand-reader input and uplink to a host controller. Industrial temperature grade suits indoor and sheltered-outdoor deployments.
Được đề xuất
Small BLDC Motor Control
The MC9S08MM32CLH drives small sensorless BLDC and brushed-DC motor control loops below 100W. Its 16-bit timer/PWM module generates complementary PWM with dead-time insertion, while the integrated 12-bit ADC samples back-EMF or current-shunt signals in synchronism with the PWM period. At 48 MHz the controller computes commutation intervals with sufficient margin for low-speed start-up algorithms. Drives for fans, small pumps, and appliance motors fit comfortably in 32 KB of code space.
Được đề xuất
Industrial Sensor Conditioning
The MC9S08MM32CLH is a solid MCU for industrial sensor-transmitter nodes requiring 4-20 mA loop drive and digital readout. Its 12-bit ADC provides 1 LSB resolution better than 0.024% of full scale for sensor calibration, and the SCI port carries HART or Modbus RTU frames to upstream PLCs. Low STOP current enables loop-powered designs drawing 3.5 mA under nominal supply. The 64-LQFP exposes enough pins for keypad/display interfaces alongside the primary analog measurement front-end.
Được đề xuất
Battery-Powered Handheld Instrumentation
The MC9S08MM32CLH drives low-cost handheld measurement tools such as digital multimeters, insulation testers, and field service aids. Its 1.8V-3.6V supply range supports 3V lithium or 2xAA primary cells, while STOP mode at sub-10 microamp extends battery life during standby. The 48 MHz core performs RMS math and LCD update tasks within budget, and the integrated analog comparator simplifies voltage-continuity buzzer functions. Compact 10x10 mm LQFP enables sub-100x60 mm handheld form factors.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08MM32CLH — 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 | MC9S08MM32VLH | MC9S08MM32VLC | MC9S08JM32CLH | MC9S08MM32CLKE | MC9S08MM32CLD |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Core | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) |
| Max Core Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Integrated USB | No (external required) | No | Yes (USB OTG) | Yes (USB 2.0 FS) | No | No |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V |
Bảo phân biệt quan trọng
- Same-package options with on-chip USB (vsMC9S08JM32CLH)
- Drop-in motion-control variant (vsMC9S08MM32VLC)
- Industrial temperature rating option (vsMC9S08MM32CLKE)
Ghi chú thiết kế
Decouple the MC9S08MM32CLH with a 100nF ceramic capacitor (X7R, 10V or higher) within 5mm of each VDD/VSS pair, plus a 4.7uF X5R bulk capacitor on the rail. The on-chip voltage regulator will be sensitive to source impedance at high core frequencies (48 MHz), so a low-ESR bulk capacitor is critical. When sharing a 3.3V rail with analog sections, isolate the MCU supply with a ferrite bead to prevent digital switching noise from coupling into the ADC.
Route the BKGD/MS and RESET_b lines away from switching signal traces to minimize false triggering in noisy industrial environments. Place the external crystal (typically 32.768 kHz for low-power RTC operation, or 4-16 MHz for main system clock) within 5mm of the EXTAL/XTAL pins, with a clean ground return and guard ring. The BDM connector should be a 2x5 standard header with VDD sense brought out for safe in-circuit firmware updates. Place analog signal traces (ADC channels, comparator inputs) over a continuous ground pour, not routed across digital gaps.
Two common pitfalls when designing with the MC9S08MM32CLH: (1) forgetting that VDD must remain above the minimum stop-mode exit voltage (~1.8V) - sudden brownouts in battery designs may corrupt flash; (2) failing to configure the SOPT1 register to disable the COP watchdog in time-critical loops - this trips after a fixed interval regardless of firmware. Always configure the ICS module to a known default before relying on crystal-less USB-Lite operation. For Flash security, set FPROT and FSEC registers early in firmware to prevent accidental lockout.
Thông tin tuân thủ
RoHS compliance per distributor listing. AEC-Q100 does not apply to this commercial/industrial-grade MCU; for automotive-grade NXP MCUs in the same family, see the S08 automotive line (e.g., MC9S08QA4/S08AW automotive variants).