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MCF51AC256ACPUE Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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MCF51AC256ACPUE Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 46 page MCF51AC256 Family Configurations MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.4 Freescale Semiconductor 3 1 MCF51AC256 Family Configurations 1.1 Device Comparison The MCF51AC256 series is summarized in Table 1. Table 1. MCF51AC256 Series Device Comparison Feature MCF51AC256A MCF51AC256B MCF51AC128A MCF51AC128C 80-pin 64-pin 80-pin 64-pin 80-pin 64-pin 80-pin 64-pin Flash memory size (Kbytes) 256 128 RAM size (Kbytes) 32 32 or 161 V1 ColdFire core with BDM (background debug module) Yes ACMP1 (analog comparator) Yes ACMP2 (analog comparator) Yes ADC (analog-to-digital converter) channels (12-bit) 24 20 24 20 24 20 24 20 CAN (controller area network) Yes No Yes No COP (computer operating properly) Yes CRC (cyclic redundancy check) Yes RTI Yes DBG (debug) Yes IIC1 (inter-integrated circuit) Yes IRQ (interrupt request input) Yes INTC (interrupt controller) Yes KBI (keyboard interrupts) Yes LVD (low-voltage detector) Yes MCG (multipurpose clock generator) Yes OSC (crystal oscillator) Yes Port I/O2 69 54 69 54 69 54 69 54 RGPIO (rapid general-purpose I/O) 16 SCI1, SCI2 (serial communications interfaces) Yes SPI1 (serial peripheral interface) Yes SPI2 (serial peripheral interface) Yes No Yes No Yes No Yes No FTM1 (flexible timer module) channels 6 FTM2 channels 6 2 6 2 6 2 6 2 TPM3 (timer pulse-width modulator) channels 2 VBUS (debug visibility bus) Yes No Yes No Yes No Yes No |
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