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參數(shù)資料
| 型號(hào)： | TWR-MCF51MM-KIT |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 1/57頁(yè) |
| 文件大小： | 0K |
| 描述： | KIT TOWER DEV FOR MCF51AG |
| 設(shè)計(jì)資源： | TWR-MCF51MM Schematic |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | ColdFire®, Flexis™ |
| 類(lèi)型： | MCU |
| 適用于相關(guān)產(chǎn)品： | Freescale 電源塔系統(tǒng)，MCF51MM |
| 所含物品： | 4 個(gè)板，線纜，文檔，DVD，MED-EKG 傳感器 |
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Freescale Semiconductor
Data Sheet: Technical Data
Document Number: MCF51MM256
Rev. 5, 07/2012
Freescale Semiconductor, Inc., 2009-2012. All rights reserved.
32-Bit ColdFire V1 Central Processor Unit (CPU)
Up to 50.33 MHz ColdFire CPU above 2.4 V and 40 MHz CPU
above 2.1V and 20 MHz CPU above 1.8 V across temperature
range of -40°C to 105°C.
ColdFire Instruction Set Revision C (ISA_C).
32-bit multiply and accumulate (MAC) supports signed or
unsigned integer or signed fractional inputs.
On-Chip Memory
256 K Flash comprised of two independent 128 K flash arrays;
read/program/erase over full operating voltage and temperature;
allows interrupt processing while programming.
32 KB System Random-access memory (RAM).
Security circuitry to prevent unauthorized access to RAM and
Flash contents.
Power-Saving Modes
Two ultra-low power stop modes. Peripheral clock enable register
can disable clocks to unused modules to reduce currents.
Time of Day (TOD) — Ultra low-power 1/4 sec counter with up to
64 sec timeout.
Ultra-low power external oscillator that can be used in stop modes to
provide accurate clock source to the TOD. 6 s typical wake up
time from stop3 mode.
Clock Source Options
Oscillator (XOSC1) — Loop-control Pierce oscillator; 32.768 kHz
crystal
or ceramic resonator dedicated for TOD operation.
Oscillator (XOSC2) for high frequency crystal input for MCG
reference to be used for system clock and USB operations.
Multipurpose Clock Generator (MCG) — PLL and FLL; precision
trimming of internal reference allows 0.2% resolution and typical
+0.5%
to -1% deviation over temperature and voltage; supports CPU
frequencies from 4 kHz to 50 MHz.
System Protection
Watchdog computer operating properly (COP) reset with option to
run from dedicated 1 kHz internal clock source or bus clock.
Low-voltage detection with reset or interrupt; selectable trip points;
separate low voltage warning with optional interrupt; selectable
trip points.
Illegal opcode and illegal address detection with reset.
Flash block protection for each array to prevent accidental write /
erasure.
Hardware CRC to support fast cyclic redundancy checks.
Development Support
Integrated ColdFire DEBUG_Rev_B+ interface with single wire
BDM connection supports same electrical interface used by the
S08 family debug modules.
Real-time debug with 6 hardware breakpoints (4 PC, 1 address
and 1 data).
On-chip trace buffer provides programmable start/stop
recording conditions.
Peripherals
USB — Dual-role USB On-The-Go (OTG) device, supports USB in
either device, host or OTG configuration. On-chip transceiver and 3.3V
regulator help save system cost, fully compliant with USB Specification
2.0. Allows control, bulk, interrupt and isochronous transfers.
SCIx — Two serial communications interfaces with optional 13-bit
break; option to connect Rx input to PRACMP output on SCI1 and
SCI2; High current drive on Tx on SCI1 and SCI2; wake-up from
stop3 on Rx edge.
SPI1 — Serial peripheral interface with 32-bit FIFO buffer; 16-bit or
8-bit data transfers; full-duplex or single-wire bidirectional;
double-buffered transmit and receive; master or slave mode;
MSB-first or LSB-first shifting.
SPI2 — Serial peripheral interface with full-duplex or single-wire
bidirectional; Double-buffered transmit and receive; Master or Slave
mode; MSB-first or LSB-first shifting.
IIC — Up to 100 kbps with maximum bus loading; Multi-master
operation; Programmable slave address; Interrupt driven
byte-by-byte data transfer; supports broadcast mode and 11-bit
addressing.
CMT — Carrier Modulator timer for remote control communications.
Carrier generator, modulator and driver for dedicated infrared out
(IRO). Can be used as an output compare timer.
TPMx — Two 4-channel Timer/PWM Module; Selectable input
capture, output compare, or buffered edge- or center-aligned PWM
on each channel; external clock input/pulse accumulator.
Mini-FlexBus — Multi-function external bus interface with user
programmable chip selects and the option to multiplex address and
data lines.
PRACMP — Analog comparator with selectable interrupt; compare
option to programmable internal reference voltage; operation in
stop3.
Measurement Engine
ADC16 — 16-bit successive approximation ADC with up to 4
dedicated differential channels and 8 single-ended channels; range
compare function; 1.7 mV/×C temperature sensor; internal bandgap
reference channel; operation in stop3; fully functional from 3.6 V to
1.8 V, Configurable hardware trigger for 8 Channel select and result
registers.
PDB — Programmable delay block with 16-bit counter and modulus
and prescale to set reference clock to bus divided by 1 to bus divided
by 2048; 8 trigger outputs for ADC module provides periodic
coordination of ADC sampling sequence with sequence completion
interrupt; Back-to-Back mode and Timed mode.
DAC — 12-bit resolution DAC; configurable settling time.
OPAMPx — 2 flexible operational amplifiers configurable for general
operations; Low offset and temperature drift.
TRIAMPx — 2 trans-impedance amplifiers dedicated for converting
current inputs into voltages.
Input/Output
Up to 68 GPIOs and 1 output-only pin.
Voltage Reference output (VREFO).
Dedicated infrared output pin (IRO)with high current sink capability.
Up to 16 KBI pins with selectable polarity.
Up to 16 pins of rapid general purpose I/O
(RGPIO).
MCF51MM256/128
The MCF51MM256 series devices are members of the
low-cost, low-power, high-performance ColdFire V1 family of
32-bit microcontrollers (MCUs) designed for handheld metering
devices.
Not all features are available in all devices or packages; see
Table 1 for a comparison of features by device.
80-LQFP
12mm x 12mm
81-BGA
10mm x 10mm
100-LQFP
14mm x 14mm
104-BGA
10mm x 10mm
Document Number: MCF51MM256
Rev. 5, 07/2012
An Energy-Efficient Solution from Freescale
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