MC68HC711D3CFNE2 Freescale Semiconductor, MC68HC711D3CFNE2 Datasheet - Page 54

• Manufacturer Part Number: MC68HC711D3CFNE2
• Description: IC MCU 8BIT 3MHZ 44-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC711D3CFNE2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 26
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: OTP
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Resets, Interrupts, and Low-Power Modes
54
FETCH VECTOR
$FFF8, $FFF9
STACK CPU
REGISTERS
SET I BIT
Figure 4-4. Processing Flow Out of Reset (Sheet 2 of 2)
FETCH VECTOR
$FFF6, $FFF7
STACK CPU
REGISTERS
SET I BIT
RESTORE CPU
FROM STACK
REGISTERS
MC68HC711D3 Data Sheet, Rev. 2.1
N
Y
Y
Y
FETCH OPCODE
INSTRUCTION?
INSTRUCTION?
EXECUTE THIS
INSTRUCTION?
INSTRUCTION
INTERRUPT
CCR SET?
OPCODE?
PENDING?
ANY I-BIT
ILLEGAL
I BIT IN
WAI
SWI
RTI
1A
2A
N
N
Y
N
N
N
START NEXT
INSTRUCTION
SEQUENCE
Y
Y
N
VECTOR FOR HIGHEST
RESOLVE INTERRUPT
PRIORITY AND FETCH
PENDING SOURCE
SEE
STACK CPU
REGISTERS
INTERRUPT
SET I BIT
Y
YET?
Figure 4-5
Freescale Semiconductor
STACK CPU
REGISTERS