MC68HC11E1CFNE2R Freescale Semiconductor, MC68HC11E1CFNE2R Datasheet - Page 94

• Manufacturer Part Number: MC68HC11E1CFNE2R
• Description: IC MCU 8BIT 2MHZ 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11E1CFNE2R

• 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
• Controller Family/series: 68HC11
• No. Of I/o's: 38
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 2MHz
• No. Of Timers: 1
• Embedded Interface Type: SCI, SPI
• Rohs Compliant: Yes
• Processor Series: HC11E
• Core: HC11
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 2 MHz
• Number Of Programmable I/os: 38
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

Resets and Interrupts
94
INTERRUPT?
SEE FIGURE
I4/O5I = 1?
PAOVI = 1?
OC2I = 1?
OC4I = 1?
SPIE = 1?
OC3I = 1?
PAII = 1?
TOI = 1?
N
N
N
N
N
N
N
N
N
SCI
5–3
2A
Figure 5-6. Interrupt Priority Resolution (Sheet 2 of 2)
Y
Y
Y
Y
Y
Y
Y
Y
Y
M68HC11E Family Data Sheet, Rev. 5.1
SPIF = 1? OR
I4/O5IF = 1?
MODF = 1?
PAOVF = 1
OC2F = 1?
OC4F = 1?
TOF = 1?
PAIF = 1?
OC3F = 1
FLAGS
FLAG
FLAG
FLAG
FLAG
FLAG
FLAG
FLAG
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
Y
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
$FFDC, $FFDD
$FFDA, $FFDB
$FFDE, $FFDF
$FFD8, $FFD9
$FFD6, $FFD7
$FFE6, $FFE7
$FFE4, $FFE5
$FFE2, $FFE3
$FFE0, $FFE1
$FFF2, $FFF3
END
2B
Freescale Semiconductor