MC68HC908GP32CP Freescale Semiconductor, MC68HC908GP32CP Datasheet - Page 301
MC68HC908GP32CP
Manufacturer Part Number
MC68HC908GP32CP
Description
IC MCU 8MHZ 32K FLASH 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908GP32CFB.pdf
(410 pages)
Specifications of MC68HC908GP32CP
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
33
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
For Use With
M68EVB908GP32 - BOARD EVALUATION FOR HC908GP32
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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MC68HC908GP32CP
Manufacturer:
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Part Number:
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Manufacturer:
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MC68HC908GP32
MOTOROLA
;
;
;
;
This code works if the H register has been pushed onto the stack in the break
service routine software. This code should be executed at the end of the break
service routine software.
HIBYTE
LOBYTE
DOLO
RETURN
EQU
EQU
If not SBSW, do RTI
BRCLR
TST
BNE
DEC
DEC
PULH
RTI
•
MC68HC08GP32
5
6
SBSW,SBSR, RETURN
LOBYTE,SP
DOLO
HIBYTE,SP
LOBYTE,SP
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. Writing 0 to the SBSW bit clears it.
This status bit is useful in applications requiring a return to wait or stop
mode after exiting from a break interrupt. Clear SBSW by writing a
logic 0 to it. Reset clears SBSW.
1 = Stop mode or wait mode was exited by break interrupt.
0 = Stop mode or wait mode was not exited by break interrupt.
—
Rev. 6
System Integration Module (SIM)
;
;
;If RETURNLO is not zero,
;then just decrement low byte.
;Else deal with high byte, too.
;Point to WAIT/STOP opcode.
;Restore H register.
See if wait mode or stop mode was exited by
break.
System Integration Module (SIM)
Technical Data
SIM Registers
299
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