MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 108

• Manufacturer Part Number: MC68HC912B32CFU8
• Description: IC MCU 32K FLASH 8MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC68HC912B32CFU8

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 63
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 768 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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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