MC68HC711E9FU

Manufacturer Part NumberMC68HC711E9FU
ManufacturerFreescale Semiconductor
MC68HC711E9FU datasheet
 


Specifications of MC68HC711E9FU

Cpu FamilyHC11Device Core Size8b
Frequency (max)4MHzInterface TypeSCI/SPI
Program Memory TypeEPROMProgram Memory Size12KB
Total Internal Ram Size512Byte# I/os (max)38
Number Of Timers - General Purpose8Operating Supply Voltage (typ)3.3/5V
Operating Supply Voltage (max)5.5VOperating Supply Voltage (min)3V
On-chip Adc8-chx8-bitInstruction Set ArchitectureCISC
Operating Temp Range0C to 70COperating Temperature ClassificationCommercial
MountingSurface MountPin Count64
Package TypePQFPLead Free Status / Rohs StatusNot Compliant
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27
**************************************************
28
*
29 B600 7F103D
BEGIN
30 B603 8604
31 B605 9728
32 B607 8680
33 B609 9704
34 B60B 132E20FC WT4BRK
35 B60F 86FF
36 B611 972F
37 B613 CEB675
38 B616 8D53
BLLOOP
39 B618 8CB67D
40 B61B 26F9
41
*****
42
* Delay for about 4 char times to allow boot related
43
* SCI communications to finish before clearing
44
* Rx related flags
45 B61D CE06A7
46 B620 09
DLYLP
47 B621 26FD
48 B623 962E
49 B625 962F
50
*****
51
* Now wait for character from target to indicate it's ready for
52
* data to be programmed into EPROM
53 B627 132E20FC WT4FF
54 B62B 962F
55 B62D CED000
56
* Handle turn-on of Vpp
57 B630 18CE523D WT4VPP
58 B634 150402
59 B637 960A
DLYLP2
60 B639 2AF5
61 B63B 140402
62 B63E 1809
63 B640 26F5
64
* Vpp has been stable for 200ms
65
66 B642 18CED000
67 B646 8D23
68 B648 8C0000
DATALP
69 B64B 2702
70 B64D 8D1C
71 B64F 132E20FC VERF
72 B653 962F
73 B655 18A100
74 B658 2705
75 B65A 150403
76 B65D 2007
77 B65F
78 B65F 1808
VERFOK
79 B661 26E5
80 B663
81 B663 140401
Freescale Semiconductor
Listing 1. MCU-to-MCU Duplicator Program
CLR
INIT
Moves Registers to $0000-3F
LDAA
#$04
Pattern for DWOM off, no SPI
STAA
SPCR
Turns off DWOM in EVBU MCU
LDAA
#RESET
STAA
PORTB
Release reset to target MCU
BRCLR
SCSR RDRF WT4BRK Loop till char received
LDAA
#$FF
Leading char for bootload ...
STAA
SCDR
to target MCU
LDX
#BLPROG
Point at program for target
BSR
SEND1
Bootload to target
CPX
#ENDBPR
Past end ?
BNE
BLLOOP
Continue till all sent
LDX
#1703
# of 6 cyc loops
DEX
[3]
BNE
DLYLP
[3] Total loop time = 6 cyc
LDAA
SCSR
Read status (RDRF will be set)
LDAA
SCDR
Read SCI data reg to clear RDRF
BRCLR
SCSR RDRF WT4FF
Wait for RDRF
LDAA
SCDR
Clear RDRF, don't need data
LDX
#EPSTRT
Point at start of EPROM
LDY
#21053
Delay counter (about 200ms)
BCLR
PORTB RED
Turn off RED LED
LDAA
PORTE
[3] Wait for Vpp to be ON
BPL
WT4VPP
[3] Vpp sense is on port E MSB
BSET
PORTB RED
[6] Turn on RED LED
DEY
[4]
BNE
DLYLP2
[3] Total loop time = 19 cyc
LDY
#EPSTRT
X=Tx pointer, Y=verify pointer
BSR
SEND1
Send first data to target
CPX
#0
X points at $0000 after last
BEQ
VERF
Skip send if no more
BSR
SEND1
Send another data char
BRCLR
SCSR RDRF VERF
Wait for Rx ready
LDAA
SCDR
Get char and clr RDRF
CMPA
0,Y
Does char verify ?
BEQ
VERFOK
Skip error if OK
BCLR
PORTB (RED+GREEN) Turn off LEDs
BRA
DUNPRG
Done (programming failed)
INY
Advance verify pointer
BNE
DATALP
Continue till all done
BSET
PORTB GREEN
Grn LED ON
M68HC11 Bootstrap Mode, Rev. 1.1
209