MC68711E20CFNE3 Freescale Semiconductor, MC68711E20CFNE3 Datasheet - Page 101

• Manufacturer Part Number: MC68711E20CFNE3
• Description: IC MCU 8BIT 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68711E20CFNE3

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Size: 20KB (20K x 8)
• Program Memory Type: OTP
• Eeprom Size: 512 x 8
• 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: 52-PLCC
• Processor Series: M687xx
• Core: HC11
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 3 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

Freescale Semiconductor
PAI/OC1
PA7/
MAIN TIMER
(FROM MAIN TIMER)
FROM
OC1
E ÷ 64 CLOCK
Cycle Time
CPU Clock
(E/2
(E/2
OUTPUT
BUFFER
14
6
)
Table 8-7. Pulse Accumulator Timing in Gated Mode
)
EDGE DETECTION
INPUT BUFFER
PACTL CONTROL
AND
overflow -
Selected
TMSK2 INT ENABLES
1 count -
Figure 8-19. Pulse Accumulator
Crystal
(1/E)
MC68HC711D3 Data Sheet, Rev. 2.1
(E)
16.384 ms
4.0 MHz
1.0 MHz
1000 ns
64.0 µs
Common XTAL Frequencies
MUX
2:1
INTERNAL
DATA BUS
8.192 ms
2.0 MHz
8.0 MHz
PAI EDGE
32.0 µs
500 ns
PAEN
TFLG2 INTERRUPT STATUS
OVERFLOW
ENABLE
12.0 MHz
8-BIT COUNTER
5.461 ms
21.33 µs
3.0 MHz
333 ns
PACNT
FLAG SETTING
DISABLE
Pulse Accumulator
INTERRUPT
REQUESTS
1
2
101