Datasheet

System Integration Module (SIM)
SIM Registers
MC68HC908GR8 — Rev 4.0 Technical Data
MOTOROLA System Integration Module (SIM) 293
Figure 19-18. Stop Mode Entry Timing
Figure 19-19. Stop Mode Recovery from Interrupt or Break
19.8 SIM Registers
The SIM has three memory-mapped registers. Table 19-4 shows the
mapping of these registers.
STOP ADDR + 1 SAME SAMEIAB
IDB
PREVIOUS DATA NEXT OPCODE SAME
STOP ADDR
SAME
R/W
CPUSTOP
Note : Previous data can be operand data or the STOP opcode, depending
on the last instruction.
CGMXCLK
INT/BREAK
IAB
STOP + 2 STOP + 2 SP SP – 1 SP – 2 SP – 3
STOP +1
STOP RECOVERY PERIOD
Table 19-4. SIM Registers
Address Register Access Mode
$FE00 SBSR User
$FE01 SRSR User
$FE03 SBFCR User
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