MC68HC08AZ32A Datasheet, PDF (112/456 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
System Integration Module (SIM)
CGMXCLK
INT/BREAK
IAB
STOP RECOVERY PERIOD
STOP +1
STOP + 2 STOP + 2
SP
SP – 1
SP – 2
SP – 3
Figure 7-14. STOP Mode Recovery From Interrupt
7.9 SIM Registers
The SIM has three memory mapped registers. Table 7-4 shows the
mapping of these registers.
Address
$FE00
$FE01
$FE03
Table 7-4. SIM Registers
Register
SBSR
SRSR
SBFCR
Access mode
User
User
User
7.9.1 SIM Break Status Register (SBSR)
The SIM break status register contains a flag to indicate that a break
caused an exit from STOP or WAIT mode.
Bit 7
6
5
4
3
2
1
Bit 0
SBSR
$FE00
Read:
Write:
R
R
R
R
R
BW
R
R
Note⁽¹⁾
Reset:
0
R = Reserved for factory test
1. Writing a logic ‘0’ clears BW.
Figure 7-15. SIM Break Status Register (SBSR)
Technical Data
112
MC68HC08AZ32A — Rev 1.0
System Integration Module (SIM)
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