MC68HC811E2FN Freescale Semiconductor, MC68HC811E2FN Datasheet - Page 108
MC68HC811E2FN
Manufacturer Part Number
MC68HC811E2FN
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC811E2FN.pdf
(242 pages)
Specifications of MC68HC811E2FN
Cpu Family
HC11
Device Core Size
8b
Frequency (max)
4MHz
Interface Type
SCI/SPI
Program Memory Type
ROMLess
Program Memory Size
Not Required
Total Internal Ram Size
256Byte
# 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
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
52
Package Type
PLCC
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Serial Communications Interface (SCI)
108
SEE NOTE
Note: Refer to
BAUD RATE
RECEIVER
CLOCK
REQUESTS
SCI Tx
PD0
RxD
Figure B-1. EVBU Schematic Diagram
SCCR1 SCI CONTROL 1
SCI INTERRUPT
AND CONTROL
PIN BUFFER
REQUEST
DDD0
DISABLE
DRIVER
Figure 7-2. SCI Receiver Block Diagram
WAKEUP
LOGIC
M68HC11E Family Data Sheet, Rev. 5.1
RE
M
RECOVERY
RDRF
RIE
IDLE
ILIE
OR
RIE
DATA
÷16
for an example of connecting RxD to a PC.
SCSR SCI STATUS 1
SCCR2 SCI CONTROL 2
(8) 7 6 5 4 3 2 1 0
Rx SHIFT REGISTER
RWU
10 (11) - BIT
MSB
8
SCDR Rx BUFFER
INTERNAL
DATA BUS
Freescale Semiconductor
8
8
READ ONLY
ALL 1s
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