MC9S08QD4VSC Description
The operating modes of the MC9S08QD4 series are described in this chapter. Entry into each mode, exit from each mode, and functionality while in each of the modes are described.
MC9S08QD4VSC Features
? 16 MHz HCS08 CPU (central processor
unit)
? HC08 instruction set with added BGND
instruction
? Background debugging system
? Breakpoint capability to allow single
breakpoint setting during in-circuit
debugging (plus two more breakpoints in
on-chip debug module)
? Support for up to 32 interrupt/reset sources
Memory
? Flash read/program/erase over full
operating voltage and temperature
? Flash size:
— MC9S08QD4/S9S08QD4: 4096 bytes
— MC9S08QD2/S9S08QD2: 2048 bytes
? RAM size
— MC9S08QD4/S9S08QD4: 256 bytes
— MC9S08QD2/S9S08QD2: 128 bytes
Power-Saving Modes
? Wait plus three stops
Clock Source Options
? ICS — Internal clock source module (ICS)
containing a frequency-locked-loop (FLL)
controlled by internal. Precision trimming
of internal reference allows 0.2% resolution
and 2% deviation over temperature and
Voltage
MC9S08QD4VSC Applications
Wait Mode
Run Mode
Active Background Mode
