MC68HC711P2CFN4 Freescale Semiconductor, MC68HC711P2CFN4 Datasheet - Page 69

• Manufacturer Part Number: MC68HC711P2CFN4
• Description: IC MCU 32K OTP 4MHZ 84-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC711P2CFN4

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: MI Bus, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Eeprom Size: 640 x 8
• Ram Size: 1K 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: 84-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

3.6.2.3 EEPROM row erase
3.6.2.4 EEPROM byte erase
MC68HC11P2 — Rev 1.0
The following is an example of how to bulk erase the 512-byte EEPROM.
The CONFIG register is not affected in this example.
BULKE
The following example shows how to perform a fast erase of large
sections of EEPROM:
ROWE
The following is an example of how to erase a single byte of EEPROM:
BYTEE
6. Clear the PPROG register to reconfigure the EEPROM address
Freescale Semiconductor, Inc.
For More Information On This Product,
and data buses for normal operation.
Operating Modes and On-Chip Memory
LDAB
STAB
STAA
LDAB
STAB
JSR
CLR
LDAB
STAB
STAB
LDAB
STAB
JSR
CLR
LDAB
STAB
STAB
LDAB
STAB
JSR
CLR
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#$02
$103B
$0D80
#$03
$103B
DLY10
$103B
#$0E
$103B
0,X
#$0F
$103B
DLY10
$103B
#$16
$103B
0,X
#$17
$103B
DLY10
$103B
EELAT=1
Set EELAT bit
Store data to any EEPROM address
EELAT=EEPGM=1
Turn on programming voltage
Delay 10 ms
Turn off high voltage and set to READ mode
ROW=ERASE=EELAT=1
Set to ROW erase mode
Write any data to any address in ROW
ROW=ERASE=EELAT=EEPGM=1
Turn on high voltage
Delay 10 ms
Turn off high voltage and set to READ mode
BYTE=ERASE=EELAT=1
Set to BYTE erase mode
Write any data to address to be erased
BYTE=ERASE=EELAT=EEPGM=1
Turn on high voltage
Delay 10 ms
Turn off high voltage and set to READ mode
EPROM, EEPROM and CONFIG register
Operating Modes and On-Chip Memory
Technical Data