MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 93

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MC68HC711E20CFN2

Manufacturer Part Number
MC68HC711E20CFN2
Description
IC MCU 20K 2MHZ OTP 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheets

Specifications of MC68HC711E20CFN2

Core Processor
HC11
Core Size
8-Bit
Speed
2MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
38
Program Memory Size
20KB (20K x 8)
Program Memory Type
OTP
Eeprom Size
512 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
BEGIN
X BIT
IN CCR
SET ?
NO
HIGHEST
PRIORITY
INTERRUPT
?
NO
IRQ ?
NO
RTII = 1 ?
NO
IC1I = 1 ?
NO
IC2I = 1 ?
NO
IC3I = 1 ?
NO
OC1I = 1 ?
NO
2A
Figure 5-6. Interrupt Priority Resolution (Sheet 1 of 2)
Freescale Semiconductor
YES
YES
XIRQ PIN
SET X BIT IN CCR
LOW ?
FETCH VECTOR
NO
YES
FETCH VECTOR
YES
FETCH VECTOR
YES
YES
REAL-TIME
FETCH VECTOR
INTERRUPT
?
NO
YES
YES
FETCH VECTOR
TIMER
IC1F ?
NO
YES
YES
FETCH VECTOR
TIMER
IC2F ?
NO
YES
YES
FETCH VECTOR
TIMER
IC3F ?
NO
YES
YES
FETCH VECTOR
TIMER
OC1F ?
NO
M68HC11E Family Data Sheet, Rev. 5.1
Low-Power Operation
$FFF4, FFF5
$FFF2, FFF3
$FFF0, FFF1
$FFEE, FFEF
$FFEC, FFED
$FFEA, FFEB
$FFE8, FFE9
2B
93

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