MC9S08QB8

MC9S08QB8 MC9S08QB4 Reference Manual HCS08 Microcontrollers Related Documentation: MC9S08QB8 (Data Sheet) Contains pin assignments and diagrams, all electrical specifications, and mechanical drawing outlines. Find the most current versions of all documents at: http://www.freescale.com MC9S08QB8RM Rev. 1 10/2008 freescale.com MC9S08QB8 MCU Series Reference Manual, Rev. 1 2 Freescale Semiconductor MC9S08QB8 Features 8-Bit HCS08 Central Processor Unit (CPU) Up to 20 MHz CPU at 3.6 V to 1.8 V across temperature range of –40 °C to 85 °C HC08 instruction set with added BGND instruction Support for up to 32 interrupt/reset sources On-Chip Memory Up to 8 KB flash memory read/program/erase over full operating voltage and temperature Up to 512 bytes random-access memory (RAM) Security circuitry to prevent unauthorized access to RAM and flash contents Power-Saving Modes Two very low power stop modes Low power run and low power wait modes Peripheral clock enable register can disable clocks to unused modules, thereby reducing currents Very low power external oscillator that can be used in stop2 or stop3 modes to provide accurate clock source to real time counter 6 μs typical wakeup time from stop3 mode Clock Source Options Oscillator (XOSC) — Loop-control Pierce oscillator; crystal or ceramic resonator range of 31.25 kHz to 38.4 kHz or 1 MHz to 16 MHz Internal Clock Source (ICS) — Internal clock source module containing a frequency-locked-loop (FLL) contro...