MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 127
MC68HC908AB32CFU
Manufacturer Part Number
MC68HC908AB32CFU
Description
IC MCU 8MHZ 32K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AB32CFUE.pdf
(392 pages)
Specifications of MC68HC908AB32CFU
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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8.8 SIM Registers
8.8.1 SIM Break Status Register
MC68HC908AB32
Freescale Semiconductor
—
Rev. 1.1
Note: 1. Writing a logic 0 clears SBSW.
Address:
The SIM has three memory mapped registers.
mapping of these registers.
The SIM break status register (SBSR) contains a flag to indicate that a
break caused an exit from stop or wait mode.
SBSW — SIM Break STOP/WAIT
SBSW can be read within the break state SWI routine. The user can
modify the return address on the stack by subtracting one from it. The
following code is an example of this.
Reset:
Read:
Write:
This status bit is useful in applications requiring a return to stop or wait
mode after exiting from a break interrupt. SBSW can be cleared by
writing a logic 0 to it. Reset clears SBSW.
1 = Stop or wait mode was exited by break interrupt
0 = Stop or wait mode was not exited by break interrupt
Address
$FE00
$FE01
$FE03
$FE00
Bit 7
R
R
0
Figure 8-17. SIM Break Status Register (SBSR)
System Integration Module (SIM)
= Reserved
R
6
0
Table 8-4. SIM Registers
R
5
0
Register
SBFCR
SRSR
SBSR
R
4
0
R
3
0
System Integration Module (SIM)
Table 8-4
Access Mode
R
2
0
User
User
User
Note
SBSW
shows the
1
0
Technical Data
(1)
Bit 0
R
0
127
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