MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 20

• 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

General Description
1.2 Features
Features include:
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16-bit CPU12:
–
–
–
–
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Multiplexed bus:
–
–
Memory:
–
–
–
–
8-channel, 10-bit analog-to-digital converter (ATD)
8-channel standard timer module (TIM) — MC68HC912B32 and MC68HC(9)12BC32 only:
–
–
–
Enhanced capture timer (ECT) — MC68HC12BE32 only:
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–
–
–
–
–
16-bit pulse accumulator:
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–
Pulse-width modulator (PWM):
–
–
–
Upwardly compatible with the M68HC11 instruction set
Interrupt stacking and programmer’s model identical to the M68HC11
20-bit arithmetic logic unit (ALU)
Instruction queue
Enhanced indexed addressing
Fuzzy logic instructions
Single chip or expanded
16-bit by 16-bit wide or 16-bit by 8-bit narrow modes
32-Kbyte FLASH electrically erasable, programmable read-only memory (EEPROM) with
2-Kbyte erase-protected boot block — MC68HC912B32 and MC68HC912BC32 only
32-Kbyte ROM — MC68HC12BE32 and MC68HC12BC32 only
768-byte EEPROM
1-Kbyte random-access memory (RAM) with single-cycle access for aligned or misaligned
read/write
Each channel fully configurable as either input capture or output compare
Simple pulse-width modulator (PWM) mode
Modulus reset of timer counter
16-bit main counter with 7-bit prescaler
Eight programmable input capture or output compare channels; four of the eight input captures
with buffer
Input capture filters and buffers, three successive captures on four channels, or two captures
on four channels with a capture/compare selectable on the remaining four
Four 8-bit or two 16-bit pulse accumulators
16-bit modulus down-counter with 4-bit prescaler
Four user-selectable delay counters for signal filtering
External event counting
Gated time accumulation
8-bit, 4-channel or 16-bit, 2-channel
Separate control for each pulse width and duty cycle
Programmable center-aligned or left-aligned outputs
M68HC12B Family Data Sheet, Rev. 9.1
Freescale Semiconductor