MC68HC711E20CFN3 Freescale Semiconductor, MC68HC711E20CFN3 Datasheet - Page 111
MC68HC711E20CFN3
Manufacturer Part Number
MC68HC711E20CFN3
Description
IC MCU 3MHZ 20K OTP 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Specifications of MC68HC711E20CFN3
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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Manufacturer
Quantity
Price
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7.7.3 Serial Communications Control Register 2
The SCCR2 register provides the control bits that enable or disable individual SCI functions.
TIE — Transmit Interrupt Enable Bit
TCIE — Transmit Complete Interrupt Enable Bit
RIE — Receiver Interrupt Enable Bit
ILIE — Idle-Line Interrupt Enable Bit
TE — Transmitter Enable Bit
RE — Receiver Enable Bit
RWU — Receiver Wakeup Control Bit
SBK — Send Break
Freescale Semiconductor
When TE goes from 0 to 1, one unit of idle character time (logic 1) is queued as a preamble.
At least one character time of break is queued and sent each time SBK is written to 1. As long as the
SBK bit is set, break characters are queued and sent. More than one break may be sent if the
transmitter is idle at the time the SBK bit is toggled on and off, as the baud rate clock edge could occur
between writing the 1 and writing the 0 to SBK.
0 = TDRE interrupts disabled
1 = SCI interrupt requested when TDRE status flag is set
0 = TC interrupts disabled
1 = SCI interrupt requested when TC status flag is set
0 = RDRF and OR interrupts disabled
1 = SCI interrupt requested when RDRF flag or the OR status flag is set
0 = IDLE interrupts disabled
1 = SCI interrupt requested when IDLE status flag is set
0 = Transmitter disabled
1 = Transmitter enabled
0 = Receiver disabled
1 = Receiver enabled
0 = Normal SCI receiver
1 = Wakeup enabled and receiver interrupts inhibited
0 = Break generator off
1 = Break codes generated
Address:
Reset:
Read:
Write:
Figure 7-5. Serial Communications Control Register 2 (SCCR2)
$102D
Bit 7
TIE
0
TCIE
6
0
M68HC11E Family Data Sheet, Rev. 5.1
RIE
5
0
ILIE
4
0
TE
3
0
RE
2
0
RWU
1
0
Bit 0
SBK
0
SCI Registers
111
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