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Medical Applications User Guide (pdf) - Freescale Semiconductor

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significant amount of precision analog such as<br />

instrumentation and industrial control.<br />

The MCF51MM256/128 is part of the<br />

<strong>Freescale</strong> Flexis MCU series.<br />

Features:<br />

• ColdFire V1 core delivering a 50 MHz core<br />

speed and 25 MHz bus speed<br />

• Up to 256 KB flash and 32 KB SRAM<br />

• Low-power stop 2 current: 500 nA<br />

(32 KB of active SRAM)<br />

• 2 x general purpose opamps<br />

• 2 x transimpedance amplifiers<br />

• 16-bit SAR high resolution analog-to-digital<br />

converter (ADC)<br />

• Analog Comparator with 5-bit digital-toanalog<br />

converter (DAC)<br />

• Internal voltage reference<br />

• USB – device/host/on-the-go controller<br />

• 2 x serial peripheral interface (SPI),<br />

2 x serial communication interface (SCI)<br />

and 1 x I2C • Mini FlexBus (external bus interface EBI)<br />

• Included in <strong>Freescale</strong>’s Product Longevity<br />

Program<br />

S08MM: Flexis 8-bit MCUs<br />

The 9S08MM128/64/32 provides ultra-lowpower<br />

operation, USB connectivity, graphic<br />

display support and unparalleled measurement<br />

accuracy, all in a single 8-bit MCU, allowing<br />

device designers to create more fully featured<br />

products at a lower cost. It is ideal for<br />

applications requiring a significant amount of<br />

precision analog.<br />

The 9S08MM128/64/32 is part of <strong>Freescale</strong>’s<br />

Flexis MCU series.<br />

Features:<br />

• S08 core delivering a 48 MHz core speed<br />

and 24 MHz bus speed<br />

• Up to 128 KB flash and 12 KB SRAM<br />

• Low-power stop 2 current: 450nA<br />

(12 KB of active SRAM)<br />

• 2 x OPAMP- General purpose opamps<br />

• 2 x TRIAMP- Transimpedance amplifiers<br />

• 16-bit SAR analog-to-digital converter (ADC)<br />

– high resolution ADC<br />

• Analog comparator<br />

• Internal voltage reference<br />

Figure 18-10: MCF51MM256 Block Diagram<br />

Figure 17-10: MCF51MM256 Block Diagram<br />

2x OPAMP<br />

2x TRIAMP<br />

PDB<br />

MCG<br />

Figure 18-11: MC9S08MM128 Block Diagram<br />

Figure 17-11: MC9S08MM128 Block Diagram<br />

2x OPAMP<br />

2x TRIAMP<br />

PDB<br />

MCG<br />

VREF TOD<br />

PRACMP CMT<br />

VREF TOD<br />

PRACMP CMT<br />

8-bit 9S08 48 MHz Core<br />

<strong>Medical</strong> Imaging<br />

2 x 4-ch. TPM with PWM 2 x SPI<br />

2 x KBI 2 x SCI<br />

32-bit V1 ColdFire 50 MHz Core with MAC<br />

16-bit SAR ADC I2 12-bit DAC LVI<br />

C<br />

2 x 4-ch. TPM with PWM 2 x SCI<br />

2 x KBI 2 x SPI<br />

Up to 68 GPIO/<br />

16 RGPIO<br />

16-bit SAR ADC I2 12-bit DAC LVI<br />

C<br />

MiniBus External<br />

USB<br />

Device/Host/<br />

OTG<br />

Bootloader<br />

256 KB 32 KB SRAM<br />

USB ROM<br />

Up to 68 GPIO<br />

USB<br />

Device<br />

Bootloader<br />

128 KB Flash 12 KB SRAM<br />

USB ROM<br />

freescale .com/medical 99

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