MC68HC908JK8CP Freescale Semiconductor, MC68HC908JK8CP Datasheet - Page 75

• Manufacturer Part Number: MC68HC908JK8CP
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC908JK8CP

• Cpu Family: HC08
• Device Core Size: 8b
• Frequency (max): 8MHz
• Interface Type: SCI
• Program Memory Type: Flash
• Program Memory Size: 8KB
• Total Internal Ram Size: 256Byte
• # I/os (max): 15
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 13-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 20
• Package Type: PDIP
• Lead Free Status / Rohs Status: Not Compliant

5.7 SIM Registers
The SIM has three memory mapped registers.
5.7.1 Break Status Register (BSR)
The break status register contains a flag to indicate that a break caused an exit from stop or wait mode.
Freescale Semiconductor
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INT/BREAK
Break Status Register (BSR)
Reset Status Register (RSR)
Break Flag Control Register (BFCR)
ICLK
IAB
Address:
Reset:
CPUSTOP
NOTE: Previous data can be operand data or the STOP opcode, depending on the last
Read:
Write:
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
Figure 5-19. Stop Mode Recovery from Interrupt or Break
R/W
IDB
IAB
instruction.
$FE00
Bit 7
R
R
0
STOP ADDR
Figure 5-20. Break Status Register (BSR)
STOP +1
= Reserved
Figure 5-18. Stop Mode Entry Timing
R
6
0
PREVIOUS DATA
STOP ADDR + 1
R
5
0
STOP + 2
STOP RECOVERY PERIOD
NEXT OPCODE
R
4
0
STOP + 2
1. Writing a logic zero clears SBSW.
R
3
0
SAME
SP
SAME
R
2
0
SP – 1
Note
SBSW
SAME
1
0
(1)
SAME
SP – 2
Bit 0
R
0
SIM Registers
SP – 3
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