MC908JB16DWE Datasheet, PDF (116/332 Pages) Freescale Semiconductor, Inc – Microcontrollers

System Integration Module (SIM)
IAB
WAIT ADDR
WAIT ADDR + 1
SAME
SAME
IDB
PREVIOUS DATA
NEXT OPCODE
SAME
SAME
R/W
NOTE: Previous data can be operand data or the WAIT opcode, depending on the last instruction
Figure 8-14. Wait Mode Entry Timing
Figure 8-15 and Figure 8-16 show the timing for WAIT recovery.
IAB
$6E0B
$6E0C
$00FF
$00FE
$00FD
$00FC
IDB $A6 $A6
$A6
$01
$0B
$6E
EXITSTOPWAIT
NOTE: EXITSTOPWAIT = RST pin or CPU interrupt or break interrupt
Figure 8-15. Wait Recovery from Interrupt or Break
IAB
$6E0B
32
CYCLES
32
CYCLES
IDB $A6 $A6
$A6
RST
OSCDCLK
RST VCT H RST VCT L
Figure 8-16. Wait Recovery from Internal Reset
8.7.2 Stop Mode
In stop mode, the SIM counter is reset and the system clocks are
disabled. An interrupt request from a module can cause an exit from stop
mode. Stacking for interrupts begins after the selected stop recovery
time has elapsed. Reset or break also causes an exit from stop mode.
Technical Data
116
System Integration Module (SIM)
MC68HC908JB16 — Rev. 1.1
Freescale Semiconductor