MC68HC705C9ACFN Freescale Semiconductor, MC68HC705C9ACFN Datasheet - Page 101

• Manufacturer Part Number: MC68HC705C9ACFN
• Description: IC MCU 2.1MHZ 16K OTP 44-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705C9ACFN

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 24
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 352 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

Freescale Semiconductor
ADDRESS BUS
Notes:
ADDRESS BUS
Notes:
DATA BUS
1. Power-on reset threshold is typically between 1 V and 2 V.
2. OSC1 line is meant to represent time only, not frequency.
3. Internal clock, internal address bus, and internal data bus are not available externally.
4. RESET outputs V
INTERNAL
INTERNAL
INTERNAL
1. Internal clock, internal address bus, and internal data bus are not available externally.
2. The next rising edge of the internal clock after the rising edge of RESET initiates the reset sequence.
DATA BUS
OSC1 PIN
CLOCK
RESET
RESET PIN
INTERNAL
INTERNAL
INTERNAL
CLOCK
(1)
(1)
(1)
(2)
V
DD
(2)
(3)
(3)
(3)
(NOTE 1)
OL
during 4064 POR cycles.
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
Figure 12-7. Power-On Reset Timing Diagram
3FFE
Figure 12-8. External Reset Timing
t
RL
3FFE
(NOTE 4)
3FFE
3FFE
3FFE
4064 t
3FFE
CYC
3FFE
NEW
PCH
3FFE
3FFF
NEW
PCL
3FFE
NEW PC
CODE
OP
3FFE
NEW
3.3-Vdc Control Timing
PCH
3FFF
NEW
PCL
101