MCF51AC256BCPUE データシートの表示（PDF） - Freescale Semiconductor

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MCF51AC256BCPUE

MCF51AC256 ColdFire Microcontroller

Freescale Semiconductor 

MCF51AC256 Family Configurations

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)

RAM size (Kbytes)

V1 ColdFire core with BDM (background debug

module)

ACMP1 (analog comparator)

ACMP2 (analog comparator)

ADC (analog-to-digital converter) channels (12-bit)

CAN (controller area network)

COP (computer operating properly)

CRC (cyclic redundancy check)

RTI

DBG (debug)

IIC1 (inter-integrated circuit)

IRQ (interrupt request input)

INTC (interrupt controller)

KBI (keyboard interrupts)

LVD (low-voltage detector)

MCG (multipurpose clock generator)

OSC (crystal oscillator)

Port I/O2

RGPIO (rapid general-purpose I/O)

SCI1, SCI2 (serial communications interfaces)

SPI1 (serial peripheral interface)

SPI2 (serial peripheral interface)

FTM1 (flexible timer module) channels

FTM2 channels

TPM3 (timer pulse-width modulator) channels

VBUS (debug visibility bus)

256

128

32

32 or 161

Yes

24

20

Yes

69

54

Yes No

6

2

Yes No

Yes

Yes

24

20

24

20

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

69

54

69

54

16

Yes

Yes

Yes

No

Yes

No

6

6

2

6

2

2

Yes

No

Yes

No

24

20

No

69

54

Yes

No

6

2

Yes

No

MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.4

Freescale Semiconductor

3

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