MC68HC11E1CFN3 Freescale Semiconductor, MC68HC11E1CFN3 Datasheet - Page 104

• Manufacturer Part Number: MC68HC11E1CFN3
• Description: IC MCU 3MHZ 512 EEPROM 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11E1CFN3

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Type: ROMless
• Eeprom Size: 512 x 8
• Ram Size: 512 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
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 16 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

Resets and Interrupts
Data Sheet
104
Figure 5-6. Interrupt Priority Resolution (Sheet 1 of 2)
INTERRUPT
OC1I = 1 ?
RTII = 1 ?
NO
PRIORITY
NO
NO
NO
IC1I = 1 ?
NO
IC2I = 1 ?
NO
IC3I = 1 ?
NO
NO
HIGHEST
IN CCR
BEGIN
SET ?
X BIT
IRQ ?
2A
?
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Resets and Interrupts
INTERRUPT
REAL-TIME
XIRQ PIN
OC1F ?
LOW ?
TIMER
IC1F ?
TIMER
IC2F ?
TIMER
IC3F ?
TIMER
?
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
SET X BIT IN CCR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
$FFEE, FFEF
$FFEC, FFED
$FFEA, FFEB
$FFF4, FFF5
$FFF2, FFF3
$FFF0, FFF1
$FFE8, FFE9
M68HC11E Family — Rev. 5
2B
MOTOROLA