MC68HC811E2FN Freescale Semiconductor, MC68HC811E2FN Datasheet - Page 202
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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EPROM Programming Utility
202
MCU RECEIVE DATA (FROM HOST)
EPROM PROGRAMMING
VERIFY DATA TO HOST
(SAME AS MCU Tx DATA)
MCU TRANSMIT DATA (VERIFY)
INITIALIZE...
X = PROGRAM TIME
Y = FIRST ADDRESS
[12]
[15]
Figure 4. Host and MCU Activity during EPROM PROGRAM Utility
NO
PROGRAM Utility in MCU
READ PROGRAMMED DATA
POINT TO NEXT LOCATION
ANY DATA RECEIVED ?
PROGRAM CONTINUES
AND SEND TO VERIFY
TO BE PROGRAMMED
[8]
AS LONG AS DATA
PROGRAM BYTE
IS RECEIVED
SEND $FF
START
YES
[9]
WAIT1
[1]
[8]
$FF
$FF
INDICATES READY
TO HOST
$BF00 - PROGRAM
[3]
[10]
[2]
[13]
[11]
M68HC11 Bootstrap Mode, Rev. 1.1
[9]
D1
[4]
[14]
[10]
P1
D2
[11]
[5]
[13]
[12]
P2
V1
V1
[6]
FROM MCU BEFORE SENDING DATA
HOST NORMALLY WAITS FOR $FF
[14]
[7]
FOR EPROM PROGRAMMING
YES
NO
NO
V2
D3
V2
[15]
VERIFY DATA CORRECT ?
SEND FIRST DATA BYTE
MORE DATA TO SEND ?
VERIFY DATA RECEIVED ?
[5]
MORE TO VERIFY ?
SEND NEXT DATA
[7]
P3
D4
Driver Program in HOST
START
DONE
YES
YES
YES
NO
DATA_LOOP
P4
V3
V3
[4]
NO
[3]
[6]
D5
Freescale Semiconductor
V4
V4
INDICATE ERROR
MC68HC711E9
EXECUTING
"PROGRAM" LOOP
HOST SENDING
DATA FOR
MCU EPROM
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