MC68HC11E0CFNE3 Freescale Semiconductor, MC68HC11E0CFNE3 Datasheet - Page 202

• Manufacturer Part Number: MC68HC11E0CFNE3
• Description: IC MCU 8BIT 3MHZ 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11E0CFNE3

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Type: ROMless
• Ram Size: 512 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
• Controller Family/series: 68HC11
• No. Of I/o's: 38
• Ram Memory Size: 512Byte
• Cpu Speed: 3MHz
• No. Of Timers: 1
• Embedded Interface Type: SCI, SPI
• Digital Ic Case Style: LCC
• Rohs Compliant: Yes
• Processor Series: HC11E
• Core: HC11
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 38
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

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