MC68HC705C8AFNE Freescale Semiconductor, MC68HC705C8AFNE Datasheet - Page 52
![IC MCU 8BIT 44-PLCC](/photos/39/70/397062/plcc-44_sml.jpg)
MC68HC705C8AFNE
Manufacturer Part Number
MC68HC705C8AFNE
Description
IC MCU 8BIT 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AFNE
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-PLCC
Processor Series
HC705C
Core
HC05
Data Bus Width
8 bit
Data Ram Size
304 B
Interface Type
SCI, SPI
Maximum Clock Frequency
2.1 MHz
Number Of Programmable I/os
24
Number Of Timers
1
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
On-chip Adc
8 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC705C8AFNE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Interrupts
Technical Data
52
CONNECTION
USED WITH
NORMALLY
WIRED-OR
b. Level-Sensitive Trigger Condition. If the interrupt line remains low after servicing an interrupt, then the
INTERRUPT PIN
a. Edge-Sensitive Trigger Condition. The minimum pulse width (t
CPU continues to recognize an interrupt.
or 250 ns (f
execute the interrupt service routine plus 19 t
IRQ PIN
(INTERNAL)
Figure 4-1. External Interrupt Internal Function Diagram
IRQ
IRQ
.
.
.
IRQ
OP
1
n
EDGE- AND LEVEL-SENSITIVE TRIGGER
= 1 MHz). The period t
V
DD
Freescale Semiconductor, Inc.
OPTION REGISTER
Figure 4-2. External Interrupt Timing
For More Information On This Product,
D
C
IRQ LATCH
t
ILIH
R
Go to: www.freescale.com
Q
Q
ILIL
should not be less than the number of t
t
ILIH
Interrupts
CYC
t
ILIL
cycles.
I BIT (CCR)
ILIH
) is either 125 ns (f
POR
INTERNAL RESET (COP)
EXTERNAL RESET
EXTERNAL INTERRUPT BEING SERVICED
(VECTOR FETCH)
EXTERNAL
INTERRUPT
REQUEST
CYC
MC68HC705C8A — Rev. 3
cycles it takes to
OP
= 2.1 MHz)
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