MC68HC705P6ACDW Freescale Semiconductor, MC68HC705P6ACDW Datasheet - Page 91

• Manufacturer Part Number: MC68HC705P6ACDW
• Description: IC MCU 2.1MHZ 4.5K OTP 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705P6ACDW

• 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-SOIC (7.5mm Width)
• Data Bus Width: 8 bit
• Data Ram Size: 176 B
• Maximum Clock Frequency: 2.1 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 16 bit
• Operating Supply Voltage: 3.3 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No RoHS Version Available

PROCESSOR
INTERNAL
CLOCK
INTERNAL
INTERNAL
ADDRESS
OSC1
Notes:
BUS (1)
BUS
RESET
DATA
1.
2.
3.
V
DD
(1)
(2)
(1)
Internal timing signal and bus information are not available externally.
OSC1 line is not meant to represent frequency. It is only used to represent time.
The next rising edge of the internal clock following the rising edge of RESET initiates the reset sequence.
V
DD
THRESHOLD (1-2 V TYPICAL)
t VDDR
4064 t cyc
1FFE
NEW
PCH
Figure 14-2. Power-On Reset and External Reset Timing Diagram
t
cyc
1FFF
NEW
PCL
NEW PC
NEW PC
CODE
OP
1FFE
t
RL
NOTE 3
1FFE
1FFE
1FFE
PCH
1FFF
PCL
NEW PC
NEW PC
CODE
OP