MC68HC705C9ACFB Freescale Semiconductor, MC68HC705C9ACFB Datasheet - Page 100
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MC68HC705C9ACFB
Manufacturer Part Number
MC68HC705C9ACFB
Description
IC MCU 16K 2.1MHZ OTP 44-QFP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC705C9ACPE.pdf
(118 pages)
Specifications of MC68HC705C9ACFB
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-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
Freescale Semiconductor
Quantity:
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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)