MC68HC11E1CFN3 Freescale Semiconductor, MC68HC11E1CFN3 Datasheet - Page 103

• 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

M68HC11E Family — Rev. 5
MOTOROLA
SET BIT I IN CCR
FETCH VECTOR
$FFF8, $FFF9
STACK CPU
REGISTERS
Figure 5-5. Processing Flow Out of Reset (Sheet 2 of 2)
SET BIT I IN CCR
FETCH VECTOR
$FFF6, $FFF7
STACK CPU
REGISTERS
Freescale Semiconductor, Inc.
For More Information On This Product,
RESTORE CPU
FROM STACK
REGISTERS
Go to: www.freescale.com
Resets and Interrupts
Y
Y
Y
Y
FETCH OPCODE
INSTRUCTION?
INSTRUCTION?
EXECUTE THIS
INSTRUCTION?
INSTRUCTION
INTERRUPT
OPCODE?
PENDING?
CCR = 1?
ANY I-BIT
ILLEGAL
BIT I IN
WAI
SWI
RTI
1A
2A
N
N
N
N
N
N
Y
Y
N
RESOLVE INTERRUPT
PRIORITY AND FETCH
VECTOR FOR HIGHEST
PENDING SOURCE
SEE FIGURE 5–2
SET BIT I IN CCR
STACK CPU
REGISTERS
INTERRUPT
PENDING?
Y
ANY
STACK CPU
REGISTERS
Resets and Interrupts
Data Sheet
Interrupts
103