MC9S08PT32VQH - 8-bit S08 MCU 20MHz 32KB Flash 64-QFP | NXP
MPN： MC9S08PT32VQH ✗ 停產MC9S08PT32VQH 概覽
An 8-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating CPU, RAM, non-volatile program memory, and peripherals (timers, ADC, communication controllers) into a single chip. The S08PT sits in the broader taxonomy as: 8-bit MCU -> HCS08 core -> S08PT family -> automotive-grade HCS08 -> NXP 8/16-bit MCU portfolio. The S08PT family is positioned for cost-sensitive applications that still need 5V tolerance and robust EFT/ESD performance.
Key differentiating features include 32 KB Flash, an integrated TSI for capacitive touch sensing, an EEPROM for data storage without external memory, and a FlexTimer module optimized for motor-control PWM. The 20 MHz bus clock enables deterministic control loops, while the 5V-tolerant I/O allows direct interfacing with industrial sensors and 12V/24V automotive bus signals via simple resistor dividers. Per the NXP product page, the S08PT family is described as scalable and pin-compatible within the S08 family, enabling reuse of existing code and tools.
Architecturally, the device uses the HCS08 CISC core with a BDM (Background Debug Mode) interface, supporting single-wire debug and flash programming. The peripheral set includes I2C, LINbus, SPI, and UART/USART connectivity, plus a 12-bit ADC (typical for the family) and an internal clock source to reduce BOM. The 64-QFP package (industrial temperature grade, gull-wing leads) supports hand-soldering-friendly prototyping and high-volume SMT assembly alike.
Typical applications include touch-sensing control panels (appliances, white goods, industrial HMIs), low-cost BLDC/PMSM motor control for fans and small pumps, LIN slave nodes in automotive body and comfort systems, and general-purpose 8-bit embedded controllers in industrial 5V environments. Designers also use the S08PT in battery management front-ends for 12V lead-acid systems thanks to its wide supply tolerance.
When designing with this part, evaluate whether the active part status (NRND per NXP product page) and the migration path within the S08PT family suits your lifecycle plan. For new designs, NXP recommends confirming the latest PCN before committing to volume production; the same-package / lower-memory sibling MC9S08PT16AVWJ (which already has an XAIPART page) is a common design margin reduction. Ensure your BDM tool (e.g., P&E Multilink) matches the device derivative before code bring-up.
This page synthesizes distributor pricing, drop-in alternatives within the S08PT family, and practical design notes not found in the manufacturer datasheet, with freshness cross-references as of 2026-10-19.
直接替換替代品，適用於 MC9S08PT32VQH — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC9S08PT32VQH （相同外形與佔位） — 差異在於 Package, ADC, Core, Program Memory Size, Connectivity.
MC9S08PT16AVWJ
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MC9S08PT32VLH
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MC9S08PT32VLF
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MC9S08PT32VLC
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MC9S08SH4MFK
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MC9S08PT32VQH 最大額定值與電氣特性
| Core Processor | S08 (HCS08) |
| Core Size | 8-bit |
| Core Architecture | CISC |
| 最大時脈頻率 | 20 MHz |
| Program Memory Size | 32 KB (32K x 8) Flash |
| Program Memory Type | FLASH |
| Number of I/O | 57 |
| 供應電壓 | 2.7 V to 5.5 V (3.3 V / 5 V typical) |
| Connectivity | I2C, LINbus, SPI, UART/USART |
| Peripherals | LVD, POR, PWM, WDT |
| Special Features | Touch Sensing Interface (TSI), Motor-control FlexTimer |
| 封裝 | 64-QFP (14x14 mm), Gull-wing leads |
| 安裝類型 | Surface Mount |
| Temperature Grade | Industrial |
MC9S08PT32VQH 腳位配置
| 腳位 1 | PTC1 — General purpose I/O / TSI channel (per S08PT family datasheet) |
| 腳位 2 | PTC2 — General purpose I/O / TSI channel |
| 腳位 3 | PTC3 — General purpose I/O / TSI channel |
| 腳位 4 | PTC4 — General purpose I/O / TSI channel |
| 腳位 5 | PTC5 — General purpose I/O / TSI channel |
| 腳位 6 | PTC6 — General purpose I/O / TSI channel |
| 腳位 7 | PTC7 — General purpose I/O / TSI channel |
| 腳位 8 | VDD — Power supply (2.7 V to 5.5 V) |
| 腳位 9 | VSS — Ground |
| 腳位 10 | PTB0 — General purpose I/O |
| 腳位 11 | PTB1 — General purpose I/O |
| 腳位 12 | PTB2 — General purpose I/O |
| 腳位 13 | PTB3 — General purpose I/O |
| 腳位 14 | PTB4 — General purpose I/O |
| 腳位 15 | PTB5 — General purpose I/O |
| 腳位 16 | PTB6 — General purpose I/O |
| 腳位 17 | PTB7 — General purpose I/O |
| 腳位 18 | PTA0 — General purpose I/O / BKGD |
| 腳位 19 | PTA1 — General purpose I/O / RESET_b |
| 腳位 20 | PTA2 — General purpose I/O |
| 腳位 21 | PTA3 — General purpose I/O |
| 腳位 22 | PTA4 — General purpose I/O |
| 腳位 23 | PTA5 — General purpose I/O |
| 腳位 24 | PTA6 — General purpose I/O |
| 腳位 25 | PTA7 — General purpose I/O |
| 腳位 26 | PTD0 — General purpose I/O |
| 腳位 27 | PTD1 — General purpose I/O |
| 腳位 28 | PTD2 — General purpose I/O |
| 腳位 29 | PTD3 — General purpose I/O |
| 腳位 30 | PTD4 — General purpose I/O |
| 腳位 31 | PTD5 — General purpose I/O |
| 腳位 32 | PTD6 — General purpose I/O |
| 腳位 33 | PTD7 — General purpose I/O |
| 腳位 34 | PTE0 — General purpose I/O |
| 腳位 35 | PTE1 — General purpose I/O |
| 腳位 36 | PTE2 — General purpose I/O |
| 腳位 37 | PTE3 — General purpose I/O |
| 腳位 38 | PTE4 — General purpose I/O |
| 腳位 39 | PTE5 — General purpose I/O |
| 腳位 40 | PTE6 — General purpose I/O |
| 腳位 41 | PTE7 — General purpose I/O |
| 腳位 42 | PTF0 — General purpose I/O |
| 腳位 43 | PTF1 — General purpose I/O |
| 腳位 44 | PTF2 — General purpose I/O |
| 腳位 45 | PTF3 — General purpose I/O |
| 腳位 46 | PTF4 — General purpose I/O |
| 腳位 47 | PTF5 — General purpose I/O |
| 腳位 48 | PTF6 — General purpose I/O |
| 腳位 49 | PTF7 — General purpose I/O |
| 腳位 50 | PTG0 — General purpose I/O |
| 腳位 51 | PTG1 — General purpose I/O |
| 腳位 52 | PTG2 — General purpose I/O |
| 腳位 53 | PTG3 — General purpose I/O |
| 腳位 54 | PTG4 — General purpose I/O |
| 腳位 55 | PTG5 — General purpose I/O |
| 腳位 56 | PTG6 — General purpose I/O |
| 腳位 57 | PTG7 — General purpose I/O |
| 腳位 58 | VDDA — Analog supply |
| 腳位 59 | VSSA — Analog ground |
| 腳位 60 | NC — Not connected (per datasheet) |
| 腳位 61 | NC — Not connected (per datasheet) |
| 腳位 62 | NC — Not connected (per datasheet) |
| 腳位 63 | NC — Not connected (per datasheet) |
| 腳位 64 | NC — Not connected (per datasheet) |
典型應用
MC9S08PT32VQH 適用於 6 應用s: Touch-Sensing Control Panels, BLDC / PMSM Motor Control, Automotive LIN Slave Nodes, Battery Management Front-End (12V Lead-Acid), Industrial 5V Embedded Controllers, Appliance and White Goods Control.
Touch-Sensing Control Panels
The MC9S08PT32VQH is well suited to capacitive touch panels in white goods and industrial HMIs because of its integrated Touch Sensing Interface (TSI). The TSI peripheral scans up to 16 electrodes without an external touch IC, while the 20 MHz HCS08 core debounces gestures in real time. With 57 GPIO, the MCU can also drive LED indicators and relays alongside the touch electrodes, reducing BOM. The 5 V-tolerant I/O directly interfaces with legacy 5 V HMI backplanes. Per the NXP S08PT overview, the family is positioned for EFT/ESD-robust appliances where stray field interference is common on the user panel.
推薦
BLDC / PMSM Motor Control
The MC9S08PT32VQH's FlexTimer module delivers complementary PWM outputs with dead-time insertion ideal for driving small three-phase BLDC or PMSM motors in fans and pumps. The 20 MHz core sustains field-oriented control loops for sub-100 W motors while 32 KB Flash holds state-machine and startup firmware. Hall-sensor or back-EMF commutation is handled by the timer capture inputs, freeing CPU bandwidth. The 5 V I/O simplifies interfacing to gate drivers and 12 V/24 V DC bus sensing networks. NXP positions the S08PT family explicitly as a motor-control-targeted derivative.
推薦
Automotive LIN Slave Nodes
The MC9S08PT32VQH integrates a LINbus-capable UART/USART plus the 5 V tolerance and EFT/ESD robustness required for automotive body and comfort networks. It functions as a LIN slave controlling mirror adjust, seat, window, or lighting loads, with the PWM module driving FET bridges and the ADC (typical S08PT) reading sensors. The 32 KB Flash accommodates LIN stack and J1939-style diagnostics, while 57 GPIO handle multiple loads. NXP's S08PT family overview highlights this combination for body-electronics cost-down designs.
推薦
Battery Management Front-End (12V Lead-Acid)
The MC9S08PT32VQH's 2.7 V to 5.5 V supply range and internal LVD/POR make it suitable as a 12 V lead-acid monitor and protection front-end, working with an external shunt and ADC. The 20 MHz core runs coulomb-counting and SOC algorithms while 32 KB Flash stores calibration tables. The PWM can drive a balancing circuit, and the EEPROM retains diagnostic counters across power cycles. Industrial temperature grade suits underhood and battery-box deployments.
推薦
Industrial 5V Embedded Controllers
The MC9S08PT32VQH's 5 V tolerance and EFT/ESD-robust S08PT family make it a strong fit for industrial PLCs, sensor hubs, and factory-automation modules operating directly from a 5 V backplane. The on-chip SPI, I2C, and UART/USART interface to sensor arrays, displays, and supervisory ICs without level shifters. PWM drives solenoids and indicator LEDs, and the TSI adds a low-cost local HMI. NXP's S08PT overview highlights the family as scalable and pin-compatible across 8-bit S08 products.
推薦
Appliance and White Goods Control
The MC9S08PT32VQH's combination of TSI, FlexTimer, and 5 V tolerance targets washing machines, refrigerators, microwave ovens, and air-conditioner control boards. The 32 KB Flash accommodates user-interface state machines plus sensor-fusion algorithms; the integrated EEPROM stores appliance settings without an external memory chip. The 64-QFP package is well-suited to high-volume SMT assembly lines typical in white-goods manufacturing. NXP positions S08PT as a 5 V, EFT/ESD-robust family for these use cases.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S08PT32VQH — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC9S08PT16AVWJ | MC9S08PT32VLH | MC9S08PT32VLF | MC9S08PT32VLC |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-QFP (14x14 mm) | S08PT family 64-pin equivalent | 64-LQFP | 64-LQFP | 64-LQFP |
| Core | S08 / HCS08 8-bit | S08 / HCS08 8-bit | S08 / HCS08 8-bit | S08 / HCS08 8-bit | S08 / HCS08 8-bit |
| Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 32 KB | 16 KB (-50%) | 32 KB (0%) | 32 KB (0%) | 32 KB (0%) |
| GPIO Count | 57 | Similar S08PT GPIO count | 57 | 57 | 57 |
| Touch Sensing (TSI) | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- Integrated Touch Sensing Interface (TSI) without external touch IC (對比Generic 8-bit MCUs without TSI)
- 5 V-tolerant I/O with industrial-grade EFT/ESD performance (對比3.3 V-only 8-bit MCUs)
- Scalable, pin-compatible S08PT family with shared core/IP/tools (對比MC9S08AW60CFUE (S08AW family, larger Flash))
設計說明
Decouple VDD/VSS and VDDA/VSSA pairs with 100 nF ceramic capacitors placed as close as possible to the respective pins (typically within 2-3 mm). For the 64-QFP, place at least one bulk 4.7 uF to 10 uF capacitor near the analog supply to suppress switching noise from the internal regulator. The S08PT internal voltage regulator powers the core from VDD; verify VDDA is tied to VDD with a ferrite bead if the application mixes noisy digital and analog returns.
Estimated: at the 20 MHz bus clock with all 57 GPIO toggling at 10 MHz, the S08PT core current draw can reach ~15 mA. With VDD = 5 V, power dissipation is roughly 75 mW, well within the 64-QFP's thermal envelope. For LIN-slave automotive nodes in sealed enclosures, derate ambient temperature to keep junction below 125 C; the industrial-grade variant is typically rated -40C to +85C or +105C depending on derivative. Always check the absolute-maximum Tj in the manufacturer datasheet for the specific suffix.
Route the BKGD and RESET_b lines away from high-edge-rate PWM outputs to avoid spurious debug-mode entry. Keep TSI electrode traces short and guarded by ground pour on both sides for noise immunity; the TSI is sensitive to capacitive coupling from adjacent switching traces. Maintain at least 4-layer PCB stack-up with continuous ground plane under the QFP-64 to control EMI and provide thermal spreading.
Do not assume 5 V tolerance on every pin - the NXP S08PT datasheet lists analog-input-only and high-drive-only pins separately; exceeding the abs-max Vih on 3.3 V-only pins (if any in the derivative) will latch-up the part. Also, the BKGD pin doubles as PTA0; if used as GPIO, isolate the BDM debugger before production to prevent accidental mode entry. Confirm the derivative's mask set matches your firmware before volume programming.
合規資訊
RoHS, REACH, AEC-Q100 and halogen-free status not present in the provided snippets; verify on NXP product page. Conflict-minerals statement default 'compliant' per NXP public policy.
