MPR083 datasheet(24/56 Pages) FREESCALE

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Hardware Description

Blood Pressure Monitor Design Reference Manual, Rev. 0

3-2

Freescale Semiconductor

Flexis QE128 features:

•

Up to 50 MHz CPU frequency from 3.6 V to 2.1 V, and 20 MHz CPU frequency at 2.1 V to 1.8 V,

across a temperature range of –40 °C to 85 °C

•

128 KB flash and 8 KB RAM

•

Peripheral clock enable register, to disable clocks to unused modules

•

Enhanced 24-channel, 12-bit analog-to-digital converter (ADC)

3.3.1

MC9S08QE128 Microcontroller

The MC9S08QE128 MCU is a highly integrated member of Freescale’s 8-bit family of microcontrollers

that is based on the high-performance, low-power consumption HCS08 core. The MC9S08QE128 MCU

includes a background debugging system and on-chip, in-circuit emulation (ICE) with real-time bus

capture, providing a single-wire debugging and emulation interface. It also features a programmable 16-bit

timer/pulse-width-modulation module that is one of the most flexible and cost-effective of its kind. The

compact, tightly integrated MC9S08QE128 MCU delivers a versatile combination of Freescale

peripherals along with the advanced features of the HCS08 core, including extended battery life with

maximum performance down to 1.8 V, industry-leading flash, and innovative development support.

MC9S08QE128 features:

•

Support for up to 32 interrupt/reset sources

•

New MMU allows access of up to 4 MB through paging

•

New linear address pointer to access all memory on the MCU

•

SET/CLR/TOGGLE registers on 16 pins (PTC and PTE)

3.3.2

MCF51QE128 Microcontroller

The MCF51QE128 microcontroller extends the low end of the ColdFire family with up to 128 KB flash

memory and a 24-channel, 12-bit analog-to-digital converter (ADC). The 32-bit QE128 includes up to

3.3 V supply voltage, a 50.33 MHz CPU core, and three timers for improved motor control.

MCF51QE128 features:

•

Implements ColdFire V1 instruction set revision C

•

Support for up to 30 peripheral interrupt requests and seven software interrupts

•

Single-wire background debug interface

•

16 bits of Rapid GPIO connected to the CPU’s high-speed local bus with set, clear, and toggle

functionality

3.4

MPR083 Proximity Sensor

The MPR083 is an IIC-driven capacitive touch sensor controller, optimized to manage an 8-position

rotary-shaped capacitive array. This device can accommodate a wide range of implementations through

three output mechanisms and many configurable options.

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