MC68HC705X32CFU Freescale Semiconductor, MC68HC705X32CFU Datasheet - Page 140

• Manufacturer Part Number: MC68HC705X32CFU
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC705X32CFU

• Cpu Family: HC05
• Device Core Size: 8b
• Frequency (max): 4MHz
• Interface Type: SCI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 528Byte
• # I/os (max): 32
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: PQFP
• Lead Free Status / Rohs Status: Supplier Unconfirmed

10
Timer prescaler cleared
Timer counter set to $FFFC
All timer enable bits cleared (disable)
Data direction registers cleared (inputs)
Stack pointer set to $00FF
Internal address bus forced to restart
Vector $3FFE, $3FFF
Interrupt mask bit (I-bit CCR) set
Interrupt mask bit (I-bit CCR) cleared
Interrupt enable bit (INTE) set
POR bit in miscellaneous register set
STOP latch reset
IRQ latch reset
WAIT latch reset
SCI disabled
SCI status bits cleared (except TDRE
and TC)
SCI interrupt enable bits cleared
SCI status bits TDRE and TC set
Oscillator disabled for 4064 cycles
Timer clock cleared
SCI clock cleared
A/D disabled
SM bit in the miscellaneous register
cleared
Watchdog counter reset
WDOG bit in the miscellaneous register
reset
EEPROM control bits set or cleared (as
per
Section
Freescale Semiconductor, Inc.
Table 10-1 Effect of RESET, POR, STOP and WAIT
For More Information On This Product,
Function/effect
3.5.1)
RESETS AND INTERRUPTS
Go to: www.freescale.com
x = Described action takes place
– = Described action does not take
place
RESET
x
x
x
x
x
x
x
x
–
x
–
x
x
x
x
x
x
x
–
–
–
x
x
x
x
x
POR
–
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
WAIT
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
x
x
STOP
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
x
x
x
x
x
x
x
x
x
MC68HC05X16
Rev. 1