MC68HC11E1CFN3R2 Freescale Semiconductor, MC68HC11E1CFN3R2 Datasheet - Page 144

• Manufacturer Part Number: MC68HC11E1CFN3R2
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC11E1CFN3R2

• Cpu Family: HC11
• Device Core Size: 8b
• Frequency (max): 3MHz
• Interface Type: SCI/SPI
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Total Internal Ram Size: 512Byte
• # I/os (max): 38
• Number Of Timers - General Purpose: 8
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 52
• Package Type: PLCC
• Lead Free Status / Rohs Status: Not Compliant

Timing Systems
144
MCU PIN
FROM MAIN TIMER
PA7/
PAI/
OC1
E
÷
MAIN TIMER
64 CLOCK
FROM
OC1
DDRA7
FROM
OUTPUT
BUFFER
EDGE DETECTOR
INPUT BUFFER
AND
TMSK2 INT ENABLES
PACTL CONTROL
Figure 9-24. Pulse Accumulator
M68HC11E Family Data Sheet, Rev. 5.1
DATA
BUS
MUX
2
:
1
CLOCK
PAI EDGE
PAEN
PAEN
INTERNAL
DATA BUS
TFLG2 INTERRUPT STATUS
ENABLE
OVERFLOW
PACNT 8-BIT COUNTER
PAOVI
PAOVF
PAII
PAIF
DISABLE
FLAG SETTING
Freescale Semiconductor
INTERRUPT
REQUESTS
1
2