MC68HC08JK1 Datasheet, PDF (85/198 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
System Integration Module (SIM)
SIM Registers
2OSCOUT
INT/BREAK
IAB
STOP RECOVERY PERIOD
STOP +1
STOP + 2 STOP + 2
SP
SP – 1
SP – 2
SP – 3
Figure 7-19. Stop Mode Recovery from Interrupt or Break
7.8 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
BSR
RSR
BFCR
Access Mode
User
User
User
7.8.1 Break Status Register (BSR)
The break status register contains a flag to indicate that a break caused
an exit from stop or wait mode.
Address: $FE00
Bit 7
6
5
4
3
2
1
Bit 0
Read:
SBSW
R
R
R
R
R
R
R
Write:
Note⁽¹⁾
Reset:
0
R = Reserved
1. Writing a logic zero clears SBSW.
Figure 7-20. Break Status Register (BSR)
MC68H(R)C08JL3 — Rev. 4
MOTOROLA
System Integration Module (SIM)
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Technical Data
85