MC68HC908AP64CB Freescale Semiconductor, MC68HC908AP64CB Datasheet - Page 295
MC68HC908AP64CB
Manufacturer Part Number
MC68HC908AP64CB
Description
IC MCU 64K FLASH 8MHZ 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AP8CFBE.pdf
(324 pages)
Specifications of MC68HC908AP64CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
30
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
For Use With
DEMO908AP64E - BOARD DEMO FOR 908AP64DEMO908AP64 - BOARD DEMO FOR 908AP64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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21.4.1 Wait Mode
If enabled, the break module is active in wait mode. In the break routine, the user can subtract one from
the return address on the stack if SBSW is set. (see
the BW bit by writing logic 0 to it.
21.4.2 Stop Mode
A break interrupt causes exit from stop mode and sets the SBSW bit in the break status register.
21.5 Break Module Registers
These registers control and monitor operation of the break module:
21.5.1 Break Status and Control Register
The break status and control register (BRKSCR) contains break module enable and status bits.
BRKE — Break Enable Bit
BRKA — Break Active Bit
Freescale Semiconductor
•
•
•
•
•
This read/write bit enables breaks on break address register matches. Clear BRKE by writing a logic
0 to bit 7. Reset clears the BRKE bit.
This read/write status and control bit is set when a break address match occurs. Writing a logic 1 to
BRKA generates a break interrupt. Clear BRKA by writing a logic 0 to it before exiting the break routine.
Reset clears the BRKA bit.
1 = Breaks enabled on 16-bit address match
0 = Breaks disabled on 16-bit address match
1 = (When read) Break address match
0 = (When read) No break address match
Break status and control register (BRKSCR)
Break address register high (BRKH)
Break address register low (BRKL)
SIM break status register (SBSR)
SIM break flag control register (SBFCR)
Address:
Reset:
Read:
Write:
Figure 21-3. Break Status and Control Register (BRKSCR)
$FE0E
BRKE
Bit 7
0
= Unimplemented
BRKA
6
0
MC68HC908AP Family Data Sheet, Rev. 4
5
0
0
4
0
0
Chapter 7 System Integration Module
3
0
0
2
0
0
1
0
0
Break Module Registers
Bit 0
0
0
(SIM)) Clear
293
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