MC68HC908LB8CPE Freescale Semiconductor, MC68HC908LB8CPE Datasheet - Page 183

• Manufacturer Part Number: MC68HC908LB8CPE
• Description: IC MCU 8K FLASH 8MHZ 20DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908LB8CPE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LVR, POR, PWM
• Number Of I /o: 18
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 7x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -

17.7 SIM Registers
The SIM has three memory-mapped registers.
17.7.1 Break Status Register
The break status register (BSR) contains a flag to indicate that a break caused an exit from wait mode.
This register is only used in emulation mode.
Freescale Semiconductor
BUSCLKX4
INT/BREAK
IAB
Address:
Reset:
Note: Previous data can be operand data or the STOP opcode, depending
Read:
CPUSTOP
Write:
R/W
IDB
IAB
on the last instruction.
1. Writing a 0 clears SBSW.
$FE00
Bit 7
R
R
0
Figure 17-16. Stop Mode Recovery from Interrupt
Address
$FE00
$FE01
$FE03
STOP ADDR
Figure 17-17. Break Status Register (BSR)
STOP +1
= Reserved
Figure 17-15. Stop Mode Entry Timing
R
6
0
PREVIOUS DATA
MC68HC908LB8 Data Sheet, Rev. 1
Table 17-3. SIM Registers
R
5
0
STOP ADDR + 1
Register
SRSR
BFCR
BSR
STOP + 2
Table 17-3
STOP RECOVERY PERIOD
NEXT OPCODE
R
4
0
STOP + 2
shows the mapping of these registers.
R
3
0
SAME
Access Mode
SP
User
User
User
R
2
0
SAME
SP – 1
Note
SBSW
SAME
1
0
(1)
SAME
SP – 2
Bit 0
R
0
SIM Registers
SP – 3
183