Medical Applications User Guide (pdf) - Freescale Semiconductor
Medical Applications User Guide (pdf) - Freescale Semiconductor
Medical Applications User Guide (pdf) - Freescale Semiconductor
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
fully featured products at lower cost. The<br />
MCF51MM256/128 is ideal for medical<br />
applications or other applications requiring a<br />
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 ultralow-power<br />
operation, USB connectivity,<br />
graphic display support and unparalleled<br />
measurement accuracy, all in a single 8-bit<br />
MCU, allowing device designers to create<br />
more fully featured products at a lower cost.<br />
It is ideal for applications requiring a<br />
significant amount of 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 />
Figure 6-7: MC9S08MM128 Block Diagram<br />
Figure 6-7: MC9S08MM128 Block Diagram<br />
Figure 6-9: MED GLU Block Diagram<br />
Figure 6-5: MED GLU Block Diagram<br />
Test Strip<br />
Vref<br />
(-0.4V)<br />
Voltage<br />
Inverter<br />
2x OPAMP<br />
2x TRIAMP<br />
PDB<br />
2 x 4-ch. TPM with PWM 2 x SCI<br />
MCG<br />
3.3V<br />
Vref<br />
(1.2V)<br />
VREF TOD<br />
PRACMP CMT<br />
2 x KBI 2 x SPI<br />
8-bit 9S08 48 MHz Core<br />
Current to voltage<br />
converter<br />
<strong>Freescale</strong> Technology MM/K5x Internal<br />
Home Portable <strong>Medical</strong><br />
16-bit SAR ADC I2 12-bit DAC LVI<br />
C<br />
Low Pass<br />
Filter<br />
Low Pass<br />
Filter<br />
freescale .com/medical 37<br />
TriAmp<br />
TriAmp<br />
OpAmp<br />
OpAmp<br />
Up to 68 GPIO<br />
USB<br />
Device<br />
Bootloader<br />
128 KB Flash 12 KB SRAM<br />
USB ROM<br />
Figure 6-8: Chip Schematic<br />
Figure 6-8: Chip Schematic<br />
2<br />
3<br />
1<br />
4 5<br />
1) WE, 2) CE, 3) Ag/AgCI RE, 4) Conductive lines, 5) Pads<br />
ADC<br />
ADC
Change language