MC68HC11E1CFN3R2 Freescale Semiconductor, MC68HC11E1CFN3R2 Datasheet - Page 106
MC68HC11E1CFN3R2
Manufacturer Part Number
MC68HC11E1CFN3R2
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC11E1CFN3R2.pdf
(242 pages)
Specifications of MC68HC11E1CFN3R2
Cpu Family
HC11
Device Core Size
8b
Frequency (max)
3MHz
Interface Type
SCI/SPI
Program Memory Type
ROMLess
Program Memory Size
Not Required
Total Internal Ram Size
512Byte
# I/os (max)
38
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
8-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
52
Package Type
PLCC
Lead Free Status / Rohs Status
Not Compliant
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Serial Communications Interface (SCI)
106
Note: Refer to
REQUESTS
TRANSMITTER
BAUD RATE
SCI Rx
CLOCK
Figure B-1. EVBU Schematic Diagram
SCCR1 SCI CONTROL 1
SCI INTERRUPT
REQUEST
H (8) 7 6 5 4 3 2 1 0 L
10 (11) - BIT Tx SHIFT REGISTER
Figure 7-1. SCI Transmitter Block Diagram
SCDR Tx BUFFER
M68HC11E Family Data Sheet, Rev. 5.1
TDRE
TIE
TC
TCIE
CONTROL LOGIC
TRANSMITTER
SCSR INTERRUPT STATUS
for an example of connecting TxD to a PC.
WRITE ONLY
SCCR2 SCI CONTROL 2
DIRECTION (OUT)
FORCE PIN
8
AND CONTROL
PIN BUFFER
DDD1
8
INTERNAL
DATA BUS
8
Freescale Semiconductor
PD1
TxD
SEE NOTE
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