8-bit microcontroller family uses the enhanced HCS08 CPU core with up to 128 KB of flash and 8 KB of RAM. The device supports a 40 MHz CPU clock, a 20 MHz internal bus frequency, and a 2.7 V to 5.5 V operating supply range. Integrated peripherals include a 16-channel 10-bit ADC, two SCI modules with LIN 2.0 and SAE J2602 support, SPI, IIC, keyboard interrupt, CRC, and three timer/PWM modules. Package options include 80-pin LQFP, 64-pin QFP, 48-pin QFN, and 44-pin LQFP versions for operation from -40 °C to 125 °C.
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| Core | HCS08 8-bit CPU |
| CPU Frequency | 40MHz |
| Internal Bus Frequency | 20MHz |
| Flash Memory | 128KB |
| RAM | 8KB |
| Operating Voltage | 2.7 to 5.5V |
| Operating Temperature | -40 to 125°C |
| GPIO Count | Up to 70pins |
| ADC Resolution | 10bit |
| ADC Channels | 16channels |
| ADC Conversion Time | 2.5µs |
| SCI Interfaces | 2 modules; LIN 2.0 and SAE J2602 support |
| SPI Interfaces | One full SPI and one master-only SPI module |
| IIC Bus Speed | Up to 100kbps |
| Timer/PWM Modules | One 2-channel and two 6-channel 16-bit TPM modules |
| Keyboard Interrupt | 8pins |
| ESD Human Body Model | ±2000V |
| Maximum Junction Temperature | 150°C |
These are design resources that include the NXP 9S08AC128
This application note explains memory paging and the Memory Management Unit (MMU) in NXP 9S08 microcontrollers to expand addressing capabilities beyond the standard 64 KB limit.
