MC68HC705C9ACFN Freescale Semiconductor, MC68HC705C9ACFN Datasheet - Page 100

• 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: -

Electrical Specifications
100
Notes:
4. RESET vector address shown for timing example
1. Represents the internal clocking of the OSC1 pin
2. IRQ pin edge-sensitive mask option
3. IRQ pin level- and edge-sensitive mask option
NORMALLY
USED WITH
WIRED-OR
CONNECTION
INTERNAL
IRQ PIN
a. Edge-Sensitive Trigger Condition. The minimum pulse width (t
CLOCK
RESET
OSC
IRQ
IRQ
or 250 ns (f
execute the interrupt service routine plus 19 t
(1)
(2)
(3)
b. Level-Sensitive Trigger Condition. If after servicing an interrupt the IRQ remains low,
(INTERNAL)
the next interrupt is recognized
IRQ1
IRQN
.
.
.
IRQ
OP
t
t
ILIH
RL
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
= 1 MHz). The period t
Figure 12-6. STOP Recovery Timing Diagram
Figure 12-5. External Interrupt Timing
t
ILIH
3FFE
ILIL
should not be less than the number of t
t
4064 t
ILIL
t
ILIH
CYC
3FFE
CYC
cycles.
3FFE
ILIH
3FFE
) is either 125 ns (f
RESET OR INTERRUPT
3FFE
CYC
VECTOR FETCH
Freescale Semiconductor
cycles it takes to
OP
3FFF4
= 2.1 MHz)