MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 96

• Manufacturer Part Number: MC68HC908QY2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

System Integration Module (SIM)
7.9 SIM Registers
7.9.1 SIM Reset Status Register
96
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
ADDRESS BUS
INTERRUPT
BUSCLKX4
Figure 7-19. Stop Mode Recovery from Interrupt
Address: $FE01
The SIM has three memory mapped registers.
mapping of these registers.
This register contains seven flags that show the source of the last reset.
Clear the SIM reset status register by reading it. A power-on reset sets
the POR bit and clears all other bits in the register.
Read:
Write:
POR:
STOP +1
Address
$FE00
$FE01
$FE03
POR
Bit 7
1
Figure 7-20. SIM Reset Status Register (SRSR)
System Integration Module (SIM)
= Unimplemented
PIN
6
0
STOP + 2
STOP RECOVERY PERIOD
Table 7-4. SIM Registers
COP
5
0
Register
STOP + 2
SRSR
BFCR
BSR
ILOP
4
0
SP
ILAD
3
0
SP – 1
Table 7-4
MODRST
Access Mode
2
0
SP – 2
User
User
User
shows the
LVI
1
0
MOTOROLA
SP – 3
Bit 0
0
0