MC68L11E1FNE2 Freescale Semiconductor, MC68L11E1FNE2 Datasheet - Page 147
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MC68L11E1FNE2
Manufacturer Part Number
MC68L11E1FNE2
Description
IC MCU 8BIT 2MHZ 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheet
1.MC711E9CFNE2R.pdf
(242 pages)
Specifications of MC68L11E1FNE2
Core Processor
HC11
Core Size
8-Bit
Speed
2MHz
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)
3 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Program Memory Size
-
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PAII and PAIF — Pulse Accumulator Input Edge Interrupt Enable Bit and Flag
Freescale Semiconductor
The PAIF status bit is automatically set each time a selected edge is detected at the PA7/PAI/OC1 pin.
To clear this status bit, write to the TFLG2 register with a 1 in the corresponding data bit position (bit
4). The PAII control bit allows configuring the pulse accumulator input edge detect for polled or
interrupt-driven operation but does not affect setting or clearing the PAIF bit. When PAII is 0, pulse
accumulator input interrupts are inhibited, and the system operates in a polled mode. In this mode, the
PAIF bit must be polled by user software to determine when an edge has occurred. When the PAII
control bit is set, a hardware interrupt request is generated each time PAIF is set. Before leaving the
interrupt service routine, software must clear PAIF by writing to the TFLG2 register.
M68HC11E Family Data Sheet, Rev. 5.1
Pulse Accumulator
147
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