MC68HC11K0CFUE4 Freescale Semiconductor, MC68HC11K0CFUE4 Datasheet - Page 204

• Manufacturer Part Number: MC68HC11K0CFUE4
• Description: MCU 8-BIT 768 RAM 4MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11K0CFUE4

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Type: ROMless
• Ram Size: 768 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: 80-QFP
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 37
• 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
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

Timing System
Technical Data
204
PAI/OC1
MAIN TIMER
PA7/
FROM
FROM
DDA7
OC1
FROM MAIN TIMER
E
64 CLOCK
OUTPUT
BUFFER
Registers involved in pulse accumulator operation include:
EDGE DETECTION
INPUT BUFFER
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AND
Data direction register A (DDRA)
Pulse accumulator control register (PACTL)
Timer interrupt mask 2 register (TMSK2)
Timer interrupt flag 2 (TFLG2)
Pulse accumulator count register (PACNT)
Figure 9-21. Pulse Accumulator
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INTERRUPT ENABLES
Timing System
TMSK2
CONTROL
PACTL
MUX
2:1
PAEN
CLOCK
PAEN
PAI EDGE
DATA BUS
INTERNAL
STATUS FLAGS
8-BIT COUNTER
OVERFLOW
ENABLE
PACNT
TFLG2
M68HC11K Family
INTERRUPT
REQUESTS
MOTOROLA
1
2