MC68HC711E20CFN4 Freescale Semiconductor, MC68HC711E20CFN4 Datasheet - Page 96

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MC68HC711E20CFN4

Manufacturer Part Number
MC68HC711E20CFN4
Description
IC MCU 20K OTP 4MHZ 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheets

Specifications of MC68HC711E20CFN4

Core Processor
HC11
Core Size
8-Bit
Speed
4MHz
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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Resets and Interrupts
masked), the MCU starts up, beginning with the stacking sequence leading to normal service of the XIRQ
request. If X is set to 1 (XIRQ masked or inhibited), then processing continues with the instruction that
immediately follows the STOP instruction, and no XIRQ interrupt service is requested or pending.
Because the oscillator is stopped in stop mode, a restart delay may be imposed to allow oscillator
stabilization upon leaving stop. If the internal oscillator is being used, this delay is required; however, if a
stable external oscillator is being used, the DLY control bit can be used to bypass this startup delay. The
DLY control bit is set by reset and can be optionally cleared during initialization. If the DLY equal to 0
option is used to avoid startup delay on recovery from stop, then reset should not be used as the means
of recovering from stop, as this causes DLY to be set again by reset, imposing the restart delay. This same
delay also applies to power-on reset, regardless of the state of the DLY control bit, but does not apply to
a reset while the clocks are running.
M68HC11E Family Data Sheet, Rev. 5.1
96
Freescale Semiconductor

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