MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 214

• Manufacturer Part Number: MC812A4CPVE8
• Description: IC MCU 16BIT EEPROM 4K 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC812A4CPVE8

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 83
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: EEPROM
• 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: 112-LQFP
• Processor Series: HC812A
• Core: HC12
• Data Bus Width: 16 bit
• Data Ram Size: 1 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 91
• 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
• Controller Family/series: 68HC12
• No. Of I/o's: 91
• Eeprom Memory Size: 4KB
• Ram Memory Size: 1KB
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Development Support
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SPEED-UP PULSE
SPEED-UP PULSE
PERCEIVED START
PERCEIVED START
TARGET MCU
TARGET MCU
TARGET MCU
TARGET MCU
TO BKGD PIN
TO BKGD PIN
HOST DRIVE
HOST DRIVE
DRIVE AND
BKGD PIN
BKGD PIN
E-CLOCK
E-CLOCK
OF BIT TIME
OF BIT TIME
Figure 17-2. BDM Target-to-Host Serial Bit Timing (Logic 1)
Figure 17-3. BDM Target-to-Host Serial Bit Timing (Logic 0)
HIGH-IMPEDANCE
R-C RISE
MC68HC812A4 Data Sheet, Rev. 7
10 CYCLES
10 CYCLES
HOST SAMPLES BKGD PIN
HOST SAMPLES BKGD PIN
10 CYCLES
10 CYCLES
HIGH-IMPEDANCE
HIGH-IMPEDANCE
SPEED-UP
PULSE
HIGH-IMPEDANCE
EARLIEST START
EARLIEST START
OF NEXT BIT
OF NEXT BIT
Freescale Semiconductor