MC9S08DZ96CLH
MC9S08DZ96CLH - 8-bit S08 MCU, 96KB Flash, 40MHz, 64-LQFP | NXP
The NXP MC9S08DZ96CLH is an 8-bit microcontroller from the S08DZ family, featuring a 40 MHz enhanced HCS08 core, 96 KB of Flash program memory, and 6 KB of on-chip SRAM, packaged in a 64-pin LQFP (10x10 mm). It belongs to the high-performance, low-cost HCS08 family of 8-bit MCU units designed for cost-sensitive embedded designs that still require CAN connectivity, EEPROM, and a rich set of analog and timer peripherals.
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), working memory (RAM), and integrated peripherals such as timers, ADCs, communication interfaces, and GPIO. The 8-bit S08 architecture sits in the broad hierarchy MCU -> embedded microcontroller -> semiconductor IC, and is widely used in appliances, automotive body electronics, industrial control, and consumer devices where deterministic interrupt response, low power, and CAN connectivity outweigh the throughput advantage of 32-bit cores. The MC9S08DZ96CLH retains the legacy HC08 instruction set while adding the BGND instruction and improved interrupt handling.
Key features of the MC9S08DZ96CLH include 96 KB of on-chip Flash, 2 KB of EEPROM, 6 KB of SRAM, a 40 MHz HCS08 CPU with a 20 MHz bus, an integrated CAN 2.0 module, multiple timers (TPM), a 12-bit ADC, an internal voltage regulator, and low-power STOP/WAIT modes. The 64-LQFP package exposes up to 53 GPIO lines, supporting direct connection to keypad matrices, LED drivers, segment LCDs, and CAN transceivers.
From an architectural standpoint, the S08DZ family integrates a 40 MHz pipelined 8-bit core with a 20 MHz peripheral bus and on-chip voltage regulation, allowing single 3.3V or 5V supply operation. The part supports background debug mode (BDM) via the BKGD pin, enabling in-circuit programming and real-time debug without an external ICE.
Typical applications include CAN-based automotive body modules (window lift, seat control, climate), industrial control nodes, HVAC controllers, security alarm panels, and appliance control boards. For these uses, the combination of CAN 2.0, on-chip EEPROM, 12-bit ADC, and 64-pin LQFP gives designers a complete BOM in a single IC.
When designing with this device, ensure the BDM debug header (BKGD, RESET, VDD, GND) is brought out to a connector for development and field firmware updates. The internal voltage regulator requires a bulk decoupling capacitor on the VDDon pin per the reference manual.
This page consolidates distributor pricing, package-specific drop-in alternatives, and practical design guidance that goes beyond the manufacturer datasheet, helping engineers select and qualify the part for production builds.
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