MC9S08SH32CTL - 8-bit S08 MCU 32KB Flash 40MHz | NXP
N.º da peça: MC9S08SH32CTL ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MC9S08SH32CTL Visão geral
An 8-bit microcontroller is a single-chip computer whose CPU processes data 8 bits at a time. Within the embedded-systems hierarchy, the MCU sits above discrete logic and below 16/32-bit application processors, integrating the processor core, Flash program memory, RAM, timers, analog peripherals (ADC) and serial communication blocks on one die. The S08 (HCS08) family is NXP's enhanced 8-bit architecture, upward compatible with the HC08 instruction set plus the added BGND instruction, and is designed for cost-sensitive embedded control in the 5-volt range.
Key features of the MC9S08SH32 include a 40 MHz HCS08 CPU with up to 32 interrupt/reset sources, 32KB of on-chip Flash program memory, a 12-channel 10-bit ADC, integrated timers, and up to 16 GPIO pins with enhanced serial communications interfaces. These peripherals allow a single chip to handle sensing (10-bit ADC), actuation (timers), and communication in one low-cost package.
For development support, the device provides a single-wire background debug interface (BDM) with breakpoint capability for in-circuit debugging, plus an on-chip debug (ICE) module containing two comparators and nine trigger modes, with an eight-deep FIFO for storing change-of-flow address and event-only data. This enables low-cost debugging without an emulator socket.
Typical applications include automotive body electronics, industrial control, appliance control, power supplies and other cost-sensitive embedded systems requiring 5V noise immunity and AEC-Q100 grade reliability.
A key design consideration: this part is End of Life per NXP's product page, so new designs should evaluate the pin- and software-compatible S08SG family (NXP states S08SH is pin, tool and software compatible with S08SG) or migration targets such as MC9S08SG32/MC9S08EL32 identified in the NXP community for replacements.
This page synthesizes distributor pricing context, drop-in alternatives, and EOL cross-reference guidance not found in the manufacturer datasheet alone.
Alternativas drop-in para MC9S08SH32CTL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC9S08SH32CTL (mesmo formato e footprint) — diferindo em Package, Core Processor, Debug Interface.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S08SH16CTL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S08SH8CTL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S08SH4CTL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
S9S08SG32E1MTL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S08EL32CTL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S08SH32CTL Classificações máximas e características elétricas
| Core Processor | S08 (HCS08) 8-bit |
| Core Size | 8-bit |
| Architecture | CISC |
| Frequência máxima de clock | 40 MHz |
| Flash Memory | 32KB (32K x 8) |
| Tensão de alimentação | 3.3 V / 5 V |
| Product Series | S08SH |
| ADC Resolution | 10-bit |
| ADC Channels | 12-channel |
| GPIO Count | Up to 16 |
| Largura do barramento de dados | 8 bit |
| Interrupt/Reset Sources | Up to 32 |
| Debug Interface | Single-wire background debug (BDM) with on-chip ICE module |
| Qualification | AEC-Q100 (automotive) |
| Encapsulamento | 28-TSSOP |
| Tipo de montagem | Surface Mount |
| Packaging | Tube |
Guia de Configuração de Pinos do MC9S08SH32CTL 28-tssop
Configuração de pinos para MC9S08SH32CTL (pacote 28-tssop). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para MC9S08SH32CTL.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MC9S08SH32CTL é adequado para 6 aplicaçãos: Automotive Body Electronics, Industrial Control and Automation, Power Supply Supervision, Appliance and Consumer Control, Sensor Signal Acquisition, Legacy Product Maintenance and Last-Time-Buy.
Automotive Body Electronics
The MC9S08SH32CTL's AEC-Q100 qualification and true 5V I/O make it well suited to automotive body-control functions such as window lift modules, seat adjusters, lighting switches and mirror controllers. In these nodes the 12-channel 10-bit ADC digitizes switch positions, potentiometer sensors and supply diagnostics, while integrated timers generate PWM for lamp dimming and motor drive. The 40 MHz HCS08 core executes the HC08 instruction set with the added BGND instruction and handles up to 32 interrupt/reset sources, so multiple switch inputs and fault conditions are serviced deterministically. Because NXP lists the part as End of Life, new automotive modules should use the pin-compatible S9S08SG32E1MTL instead; existing programs can secure last-time-buy stock of MC9S08SH32CTL for legacy service builds.
Recomendado
Industrial Control and Automation
In industrial control panels, sensor hubs and small automation nodes, the MC9S08SH32CTL offers 5V-tolerant noise immunity that 3.3V-only MCUs lack, which matters in electrically noisy factory environments with relays, contactors and motor drives. The 12-channel 10-bit ADC reads analog setpoints and current-sense signals; up to 16 GPIO lines drive indicators, optocouplers and relays; and enhanced serial communications interfaces link to HMIs or PLC backplanes. The single-wire background debug interface enables field servicing with minimal test points. Developers should note the S08SH is pin, tool and software compatible with the active S08SG family per NXP, so new industrial designs can start on S08SG while the firmware, toolchain and PCB knowledge transfer unchanged, avoiding EOL sourcing risk altogether.
Recomendado
Power Supply Supervision
Switch-mode power supplies and AC-DC adapters benefit from the MC9S08SH32CTL's combination of a 10-bit ADC and fast 40 MHz control loop, enabling digital supervision of output voltage, current and temperature with fault-response times in the microsecond range. Timers generate PWM for fan control or primary-side regulation, while the 32KB Flash holds multi-protocol firmware including PMBus-style command handling in higher-end units. The 5V operation directly matches the bias rails common in offline supply secondary circuits, eliminating a separate 3.3V regulator. Because the die includes an on-chip debug module with eight-deep FIFO tracing, firmware updates and fault analysis can be performed through the single-wire BDM interface in production fixtures, supporting lean manufacturing test strategies.
Recomendado
Appliance and Consumer Control
White goods, small kitchen appliances and HVAC controllers use the MC9S08SH32CTL as a compact, cost-optimized brain: the 10-bit ADC reads NTC temperature sensors and user potentiometers, timers drive triac firing or relay sequencing, and 32KB Flash accommodates full state machines plus calibration tables. The 28-TSSOP package minimizes PCB area on single-sided control boards, and 5V I/O directly interfaces with the optocoupled and relay-driven circuitry typical of mains-connected appliances. AEC-Q100 process pedigree gives margin over consumer-grade qualification even though appliances are not automotive. For new appliance platforms, designers should select the software-compatible S08SG family given S08SH's End of Life status, preserving tool and pin compatibility to de-risk the migration.
Recomendado
Sensor Signal Acquisition
Distributed sensor nodes - pressure, level, position and temperature - pair well with the MC9S08SH32CTL because the integrated 12-channel 10-bit ADC converts up to twelve sensor channels without external front-end silicon, and the 40 MHz core applies filtering, linearization and threshold logic locally before reporting over serial interfaces. The 32KB Flash stores multi-point calibration tables, and the on-chip debug module with nine trigger modes and eight-deep FIFO simplifies verifying interrupt latency and ADC sampling behavior during commissioning. Its 5V supply supports legacy 4-20mA-style transmitters and ratiometric sensors referenced to a 5V rail. Long-term programs should implement on the active, pin-compatible S08SG successor so sensor firmware and analog front-end layout remain unchanged through the family transition.
Recomendado
Legacy Product Maintenance and Last-Time-Buy
The primary application for MC9S08SH32CTL going forward is sustaining existing production: NXP's product page lists the part as End of Life with discontinuance and replacement product change notices. Procurement teams should quantify remaining program lifetime, place last-time-buy orders through authorized distributors such as DigiKey and Mouser while stock exists, and qualify the pin-, tool- and software-compatible S08SG family (for example S9S08SG32E1MTL) as the second source. The NXP community identifies MC9S08SG32 and MC9S08EL32 as replacement directions; firmware teams should verify peripheral register-level differences and re-run qualification. Planning this migration early avoids the cost squeeze of broker-market pricing for an obsolete automotive-qualified MCU.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S08SH32CTL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S08SH16CTL | MC9S08SH8CTL | S9S08SG32E1MTL | MC9S08EL32CTL |
|---|---|---|---|---|---|
| Package | 28-TSSOP | 28-TSSOP - same | 28-TSSOP - same | 28-TSSOP - same | 28-TSSOP - same |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Max Clock | S08 (HCS08), 40 MHz | S08, 40 MHz | S08, 40 MHz | S08, 40 MHz | S08, 40 MHz |
| Flash Memory | 32KB | 16KB | 8KB | 32KB-class | 32KB |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
Principais diferenciais
- Largest Flash in the pin-compatible S08SH 28-TSSOP family (vs MC9S08SH16CTL)
- AEC-Q100 automotive qualification with 5V I/O (vs MC9S08SH8CTL)
- Active supply continuity (vs S9S08SG32E1MTL)
Notas de projeto
The single most important design action is lifecycle planning: NXP lists MC9S08SH32CTL as End of Life on its official product page. Do not start a new design on this die. For existing designs, confirm remaining distributor stock at DigiKey/Mouser, size a last-time-buy with attrition margin, and qualify the pin-, tool- and software-compatible S08SG family (S9S08SG32E1MTL) in parallel so a PCB-identical second source exists before SH stock depletes.
The 28-TSSOP footprint is shared across the entire S08SH family (SH4/SH8/SH16/SH32) and, per NXP, with S08SG. Lay out the board with all power pins decoupled with 100 nF ceramics placed within a few millimeters of the supply pins, and break out the single-wire background debug (BDM) pin to a 4-6 pin header even in production boards - in-field firmware updates and fault analysis via the on-chip debug module depend on it, and retrofitting test points to a potted or conformally coated assembly is expensive.
When migrating firmware from S08SH to S08SG or S08EL (both cited by NXP as replacement directions), do not assume binary compatibility of peripheral registers even though the toolchain and package carry over. Re-verify ADC channel mapping on the 28-TSSOP pinout, timer channel assignments, and interrupt vector tables against the successor's datasheet, then re-run any AEC-Q100-related system qualification the end customer requires before releasing the change.
Informações de conformidade
AEC-Q100 automotive qualification stated in distributor parametric data (datasheets.com). RoHS/REACH/lead-free status not stated in the verified data; consult the NXP product page's Environmental Quality section for MC9S08SH32CTL.
