MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 108

• Manufacturer Part Number: MC68HC912B32VFU8
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC912B32VFU8

• Cpu Family: HC12
• Device Core Size: 16b
• Frequency (max): 8MHz
• Interface Type: SCI/SPI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 1KB
• # I/os (max): 63
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

FLASH EEPROM
108
CLEAR ERASE PULSE COUNTER (n
Figure 8-6. Erase Sequence Flow
NO
M68HC12B Family Data Sheet, Rev. 9.1
DELAY BEFORE VERIFY
DELAY FOR DURATION
CLEAR MARGIN FLAG
WRITE TO ARRAY
OF ERASE PULSE
ARRAY ERASED
TURN OFF V
START ERASE
n
MARGIN FLAG
TURN ON V
CLEAR ENPE
DECREMENT
EP
CLEAR LAT
SET ERAS
SET ENPE
(t
SET LAT
(t
n
ERASED?
VERASE
COUNTER
EPULSE
EP
SET?
ARRAY
IS
= 0?
YES
YES
YES
)
)
FP
FP
NO
NO
EP
ARRAY FAILED TO ERASE
)
n
INCREMENT
EP
ERASED?
n
ARRAY
COUNTER
ARRAY
EP
READ
= 5?
YES
NO
YES
NO
MARGIN FLAG
SET
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