MCF51AC128A FREESCALE [Freescale Semiconductor, Inc], MCF51AC128A Datasheet
MCF51AC128A
Available stocks
Related parts for MCF51AC128A
MCF51AC128A Summary of contents
Page 1
Freescale Semiconductor Data Sheet: Advance Information MCF51AC256 ColdFire Microcontroller The MCF51AC256 is a member of the ColdFire 32-bit variable-length reduced instruction set (RISC) microcontroller. This document provides an overview of the MCF51AC256 series, focusing on its highly integrated and diverse ...
Page 2
MCF51AC256 Family Configurations . . . . . . . . . . . . . . . . . . . .3 1.1 Device Comparison ...
Page 3
... SPI2 (serial peripheral interface) FTM1 (flexible timer module) channels FTM2 channels TPM3 (timer pulse-width modulator) channels VBUS (debug visibility bus) MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 Freescale Semiconductor Table 1. MCF51AC256A MCF51AC256B MCF51AC128A 80-pin 64-pin 80-pin 64-pin 80-pin 256 32 Yes Yes ...
Page 4
MCF51AC256 Family Configurations 1 The members of MCF51AC128 with CAN support have 32 K-byte RAM. The other members have 16 K-byte RAM pins on Ports E and F are shared with the ColdFire Rapid GPIO module. ...
Page 5
Features Table 2 describes the functional units of the MCF51AC256 series. Table 2. MCF51AC256 Series Functional Units Functional Unit CF1CORE (V1 ColdFire core) BDM (background debug module) DBG (debug) VBUS (debug visibility bus) SIM (system integration module) FLASH (flash ...
Page 6
MCF51AC256 Family Configurations 1.3.1 Feature List • 32-bit Version 1 ColdFire® central processor unit (CPU) — 50.33 MHz at 2.7 V – 5.5 V — Provide 0.94 Dhrystone 2.1 DMIPS per MHz performance when running from internal RAM ...
Page 7
Flexible timer/pulse-width modulators (FTM) — 16-bit Free-running counter or a counter with initial and final value. The counting can be up and unsigned, up and signed, or up-down and unsigned — channels, and each channel can ...
Page 8
MCF51AC256 Family Configurations — Flexible maskable identifier filter supports two full-size (32-bit) extended identifier filters, four 16-bit filters, or eight 8-bit filters — Programmable wakeup functionality with integrated low-pass filter — Programmable loopback mode supports self-test operation — Programmable listen-only ...
Page 9
... MCF51AC256BVLKE MCF51AC256 ColdFire Microcontroller without CAN MCF51AC256AVPUE MCF51AC256 ColdFire Microcontroller with CAN MCF51AC256BVPUE MCF51AC256 ColdFire Microcontroller without CAN MCF51AC128AVFUE MCF51AC128 ColdFire Microcontroller with CAN MCF51AC128CVFUE MCF51AC128 ColdFire Microcontroller without CAN MCF51AC128AVLKE MCF51AC128 ColdFire Microcontroller with CAN MCF51AC128CVLKE MCF51AC128 ColdFire Microcontroller without CAN ...
Page 10
MCF51AC256 Family Configurations 1.5 Pinouts and Packaging Figure 2 shows the pinout of the 80-pin LQFP. PTC4 / SS2 1 IRQ / TPMCLK 2 RESET 3 PTF0 / RGPIO8 / FTM1CH2 4 PTF1 / RGPIO9 / FTM1CH3 5 PTF2 / ...
Page 11
PTC4 IRQ / TPMCLK RESET PTF0 / RGPIO8 / FTM1CH2 PTF1 / RGPIO9 / FTM1CH3 PTF2 / RGPIO10 / FTM1CH4 PTF3 / RGPIO11 / FTM1CH5 PTF4 / RGPIO12 / FTM2CH0 PTC6 / FTM2FLT PTF7 / RGPIO15 PTF5 / RGPIO13 / ...
Page 12
MCF51AC256 Family Configurations Table 4. Pin Availability by Package Pin-Count (continued) Pin Number ...
Page 13
Table 4. Pin Availability by Package Pin-Count (continued) Pin Number ...
Page 14
Preliminary Electrical Characteristics 2 Preliminary Electrical Characteristics This section contains electrical specification tables and reference timing diagrams for the MCF51AC256 microcontroller, including detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications. The electrical specifications are preliminary and ...
Page 15
Supply voltage Input voltage Instantaneous maximum current Single pin limit (applies to all port pins) Maximum current into V Storage temperature 1 Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, ...
Page 16
Preliminary Electrical Characteristics 2 Junction to Ambient Natural Convection 3 1s — Single layer board, one signal layer 4 2s2p — Four layer board, 2 signal and 2 power layers The average chip-junction temperature (T where: = Ambient temperature, °C ...
Page 17
Table 8. ESD and Latch-up Test Conditions (continued) Model Latch-up Minimum input voltage limit Maximum input voltage limit Table 9. ESD and Latch-Up Protection Characteristics Num 1 Human Body Model (HBM) 2 Machine Model (MM) 3 Charge Device Model (CDM) ...
Page 18
Preliminary Electrical Characteristics Num C Parameter Output low current — Max total Input high voltage; all digital inputs 7 P Input low voltage; all digital inputs 8 P Input hysteresis; all digital inputs 9 P ...
Page 19
Num C Parameter DC injection current injection current (Total MCU limit, includes sum of all stressed pins) 1 Typical values are based on characterization data at 25°C unless otherwise stated. 2 Measured with ...
Page 20
Preliminary Electrical Characteristics Average of I –6.0E-3 –5.0E-3 –4.0E-3 –3.0E-3 –2.0E-3 –1.0E-3 000E+0 0 Figure 4. Typical I Average of I –20.0E-3 –18.0E-3 –16.0E-3 –14.0E-3 –12.0E-3 –10.0E-3 –8.0E-3 –6.0E-3 –4.0E-3 –2.0E-3 000E+0 Figure 5. Typical I MCF51AC256 ColdFire Microcontroller Data ...
Page 21
Average of I –7.0E-3 –6.0E-3 –5.0E-3 –4.0E-3 –3.0E-3 –2.0E-3 –1.0E-3 000E+0 0.00 Figure 6. Typical I Average of I –30.0E-3 –25.0E-3 –20.0E-3 –15.0E-3 –10.0E-3 –5.0E-3 000E+0 0.00 Figure 7. Typical I MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 Freescale Semiconductor V ...
Page 22
Preliminary Electrical Characteristics 2.6 Supply Current Characteristics Num C Parameter Run supply current 1 C clock = 2 MHz, f Bus Run supply current 2 C clock = 16 MHz, f Run supply current 3 C clock = 50 MHz, ...
Page 23
Analog Comparator (ACMP) Electricals Table 12. Analog Comparator Electrical Specifications Num C Rating 1 — Supply voltage 2 T Supply current (active Analog input voltage 4 D Analog input offset voltage 5 D Analog Comparator hysteresis 6 ...
Page 24
Preliminary Electrical Characteristics 1 Typical values assume V = 5.0 V, Temp = 25°C, f DDAD reference only and are not tested in production potential difference – Figure 8. ADC Input ...
Page 25
Table 14. 5 Volt 12-bit ADC Characteristics (V Characteristic Conditions ADC High Speed (ADLPC=0) Asynchronous Low Power (ADLPC=1) Clock Source Conversion Short Sample (ADLSMP=0) Time (Including Long Sample (ADLSMP=1) sample time) Short Sample (ADLSMP=0) Sample Time Long Sample (ADLSMP=1) 12 ...
Page 26
Preliminary Electrical Characteristics 1 Typical values assume V = 5.0 V, Temp = 25°C, f DDAD only and are not tested in production LSB = ( )/2 REFH REFL 3 Monotonicity and No-Missing-Codes guaranteed in ...
Page 27
MCG Specifications Table 16. MCG Frequency Specifications (Temperature Range = –40 to 125°C Ambient) Num C Rating Internal reference frequency - factory 1 P trimmed and temperature DD ° Average internal reference ...
Page 28
Table 16. MCG Frequency Specifications (continued)(Temperature Range = –40 to 125°C Ambient) Num C Rating 19 D Lock exit frequency tolerance 20 D Lock time — FLL 21 D Lock time — PLL Loss of external clock minimum 22 D ...
Page 29
Control Timing Num C Parameter 1 D Bus frequency (t = 1/f cyc 2 D Internal low-power oscillator period External reset pulse width 1/f ) cyc Self_reset 4 D Reset low drive 5 D Active ...
Page 30
Preliminary Electrical Characteristics 2.11.2 Timer (TPM/FTM) Module Timing Synchronizer circuits determine the shortest input pulses that can be recognized or the fastest clock that can be used as the optional external source to the timer counter. These synchronizers operate from ...
Page 31
MSCAN Table 19. MSCAN Wake-up Pulse Characteristics Num C Parameter 1 D MSCAN Wake-up dominant pulse filtered 2 D MSCAN Wake-up dominant pulse pass 1 Typical values are based on characterization data at V MCF51AC256 ColdFire Microcontroller Data Sheet, ...
Page 32
Preliminary Electrical Characteristics 2.12 SPI Characteristics Table 20 and Figure 13 through Figure 16 1 Num C Characteristic Operating frequency 1 D Cycle time 2 D Enable lead time 3 D Enable lag time 4 D Clock (SPSCK) high time ...
Page 33
SS (OUTPUT) 2 SCK (CPOL = 0) (OUTPUT) SCK (CPOL = 1) (OUTPUT) 6 MISO (INPUT) 11 MOSI (OUTPUT) NOTES output mode (MODFEN = 1, SSOE = 1). 2. LSBF = 0. For LSBF = 1, bit ...
Page 34
Preliminary Electrical Characteristics SS (INPUT) SCK (CPOL = 0) (INPUT) 2 SCK (CPOL = 1) (INPUT) 8 MISO SLAVE (OUTPUT) 6 MOSI (INPUT) NOTE: 1. Not defined but normally MSB of character just received SS (INPUT) SCK (CPOL = 0) ...
Page 35
Num C Characteristic 1 — Supply voltage for program/erase 2 — Supply voltage for read operation 3 — Internal FCLK frequency 4 — Internal FCLK period (1/FCLK) 5 — Byte program time (random location) 6 — Byte program time (burst ...
Page 36
Mechanical Outline Drawings 3 Mechanical Outline Drawings 3.1 80-pin LQFP Package MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 36 Preliminary—Subject to Change Without Notice Freescale Semiconductor ...
Page 37
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 Freescale Semiconductor Preliminary—Subject to Change Without Notice Mechanical Outline Drawings 37 ...
Page 38
Mechanical Outline Drawings MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 38 Preliminary—Subject to Change Without Notice Freescale Semiconductor ...
Page 39
LQFP Package MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 Freescale Semiconductor Preliminary—Subject to Change Without Notice Mechanical Outline Drawings 39 ...
Page 40
Mechanical Outline Drawings MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 40 Preliminary—Subject to Change Without Notice Freescale Semiconductor ...
Page 41
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 Freescale Semiconductor Preliminary—Subject to Change Without Notice Mechanical Outline Drawings 41 ...
Page 42
Mechanical Outline Drawings 3.3 64-pin QFP Package MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 42 Preliminary—Subject to Change Without Notice Freescale Semiconductor ...
Page 43
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 Freescale Semiconductor Preliminary—Subject to Change Without Notice Mechanical Outline Drawings 43 ...
Page 44
Mechanical Outline Drawings MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 44 Preliminary—Subject to Change Without Notice Freescale Semiconductor ...
Page 45
Revision History Revision 1 Initial published MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1 Freescale Semiconductor Table 22. Revision History Description Preliminary—Subject to Change Without Notice Revision History 45 ...
Page 46
How to Reach Us: Home Page: http://www.freescale.com E-mail: support@freescale.com USA/Europe or Locations Not Listed: Freescale Semiconductor Technical Information Center, CH370 1300 N. Alma School Road Chandler, Arizona 85224 1-800-521-6274 or +1-480-768-2130 support@freescale.com Europe, Middle East, and Africa: Freescale Halbleiter Deutschland ...