MC68HC705P6ACP Freescale Semiconductor, MC68HC705P6ACP Datasheet - Page 29

• Manufacturer Part Number: MC68HC705P6ACP
• Description: IC MCU 2.1MHZ 4.5K OTP 28-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705P6ACP

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SIO
• Peripherals: POR, WDT
• Number Of I /o: 21
• Program Memory Size: 4.5KB (4.5K x 8)
• Program Memory Type: OTP
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Freescale Semiconductor
STOP INTERNAL TIMER CLOCK,
STOP EXTERNAL OSCILLATOR,
RESET STARTUP DELAY
PROCESSOR CLOCK,
CLEAR I BIT IN CCR
STOP INTERNAL
INTERRUPT?
EXTERNAL
EXTERNAL
BIT SET?
RESET?
N
N
N
SWAIT
STOP
MOR
IRQ
RESTART EXTERNAL OSCILLATOR,
Y
Y
Y
START STABILIZATION DELAY
MC68HC705P6A Advance Information Data Sheet, Rev. 2.1
OF STABILIZATION
N
DELAY?
END
1.
2.
Figure 3-2. STOP/WAIT Flowcharts
FETCH RESET VECTOR
SERVICE INTERRUPT
A. STACK
B. SET I BIT
C. VECTOR TO INTERRUPT ROUTINE
INTERNAL PROCESSOR CLOCK
OR
Y
RESTART
INTERNAL TIMER CLOCK ACTIVE
EXTERNAL OSCILLATOR ACTIVE
Y
Y
Y
Y
PROCESSOR CLOCK,
CLEAR I BIT IN CCR
STOP INTERNAL
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
INTERNAL
INTERNAL
RESET?
RESET?
TIMER
HALT
COP
AND
IRQ
N
N
N
N
INTERNAL TIMER CLOCK ACTIVE
EXTERNAL OSCILLATOR ACTIVE
Y
Y
Y
Y
PROCESSOR CLOCK,
CLEAR I BIT IN CCR
STOP INTERNAL
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
INTERNAL
INTERNAL
RESET?
RESET?
TIMER
WAIT
AND
COP
IRQ
N
N
N
N
Low-Power Modes
29