IC, buy S912XET256W1MAA MCU (MCU/MPU/SOC) NXP original stock on China Suppliers Mobile

Product Details

Features

• 16-Bit CPU12X

— Upward compatible with MC9S12 instruction set with the exception of fifive Fuzzy instructions

(MEM, WAV, WAVR, REV, REVW) which have been removed

— Enhanced indexed addressing

— Access to large data segments independent of PPAGE

• INT (interrupt module)

— Eight levels of nested interrupts

— Flexible assignment of interrupt sources to each interrupt level.

— External non-maskable high priority interrupt (XIRQ)

— Internal non-maskable high priority Memory Protection Unit interrupt

— Up to 24 pins on ports J, H and P confifigurable as rising or falling edge sensitive interrupts

• EBI (external bus interface)(available in 208-Pin and 144-Pin packages only)

— Up to four chip select outputs to select 16K, 1M, 2M and up to 4MByte address spaces

— Each chip select output can be confifigured to complete transaction on either the time-out of one

of the two wait state generators or the deassertion of EWAIT signal

• MMC (module mapping control)

• DBG (debug module)

— Monitoring of CPU and/or XGATE busses with tag-type or force-type breakpoint requests

— 64 x 64-bit circular trace buffer captures change-of-flflow or memory access information

• BDM (background debug mode)

• MPU (memory protection unit)

— 8 address regions defifinable per active program task

— Address range granularity as low as 8-bytes

— No write / No execute Protection Attributes

— Non-maskable interrupt on access violation

• XGATE

— Programmable, high performance I/O coprocessor module

— Transfers data to or from all peripherals and RAM without CPU intervention or CPU wait states

— Performs logical, shifts, arithmetic, and bit operations on data

— Can interrupt the HCS12X CPU signalling transfer completion

— Triggers from any hardware module as well as from the CPU possible

— Two interrupt levels to service high priority tasks

— Hardware support for stack pointer initialisation

• OSC_LCP (oscillator)

— Low power loop control Pierce oscillator utilizing a 4MHz to 16MHz crystal

— Good noise immunity

— Full-swing Pierce option utilizing a 2MHz to 40MHz crystal

— Transconductance sized for optimum start-up margin for typical crystals

• IPLL (Internally fifiltered, frequency modulated phase-locked-loop clock generation)

— No external components required

— Confifigurable option to spread spectrum for reduced EMC radiation (frequency modulation)

• CRG (clock and reset generation)

— COP watchdog

— Real time interrupt

— Clock monitor

— Fast wake up from STOP in self clock mode

• Memory Options

— 128K, 256k, 384K, 512K, 768K and 1M byte Flash

— 2K, 4K byte emulated EEPROM

— 12K, 16K, 24K, 32K, 48K and 64K Byte RAM

• Flash General Features

— 64 data bits plus 8 syndrome ECC (Error Correction Code) bits allow single bit failure

correction and double fault detection

— Erase sector size 1024 bytes

— Automated program and erase algorithm

• D-Flash Features

— Up to 32 Kbytes of D-Flash memory with 256 byte sectors for user access.

— Dedicated commands to control access to the D-Flash memory over EEE operation.

— Single bit fault correction and double bit fault detection within a word during read operations.

— Automated program and erase algorithm with verify and generation of ECC parity bits.

— Fast sector erase and word program operation.

— Ability to program up to four words in a burst sequence

• Emulated EEPROM Features

— Automatic EEE fifile handling using an internal Memory Controller.

— Automatic transfer of valid EEE data from D-Flash memory to buffer RAM on reset.

— Ability to monitor the number of outstanding EEE related buffer RAM words left to be

programmed into D-Flash memory.

— Ability to disable EEE operation and allow priority access to the D-Flash memory.

— Ability to cancel all pending EEE operations and allow priority access to the D-Flash memory.

• Two 16-channel, 12-bit Analog-to-Digital Converters

— 8/10/12 Bit resolution

— 3µs, 10-bit single conversion time

— Left/right, signed/unsigned result data

— External and internal conversion trigger capability

— Internal oscillator for conversion in Stop modes

— Wake from low power modes on analog comparison > or <= match

• Five MSCAN (1 M bit per second, CAN 2.0 A, B software compatible modules)

— Five receive and three transmit buffers

— Flexible identififier fifilter programmable as 2 x 32 bit, 4 x 16 bit, or 8 x 8 bit

— Four separate interrupt channels for Rx, Tx, error, and wake-up

— Low-pass fifilter wake-up function

— Loop-back for self-test operation

• ECT (enhanced capture timer)

— 8 x 16-bit channels for input capture or output compare

— 16-bit free-running counter with 8-bit precision prescaler

— 16-bit modulus down counter with 8-bit precision prescaler

— Four 8-bit or two 16-bit pulse accumulators

• TIM (standard timer module)

— 8 x 16-bit channels for input capture or output compare

— 16-bit free-running counter with 8-bit precision prescaler

— 1 x 16-bit pulse accumulator

• PIT (periodic interrupt timer)

— Up to eight timers with independent time-out periods

— Time-out periods selectable between 1 and 224 bus clock cycles

— Time-out interrupt and peripheral triggers

• 8 PWM (pulse-width modulator) channels

— 8 channel x 8-bit or 4 channel x 16-bit Pulse Width Modulator

— programmable period and duty cycle per channel

— Center- or left-aligned outputs

— Programmable clock select logic with a wide range of frequencies

— Fast emergency shutdown input

• Three Serial Peripheral Interface Modules (SPI)

— Confifigurable for 8 or 16-bit data size

• Eight Serial Communication Interfaces (SCI)

— Standard mark/space non-return-to-zero (NRZ) format

— Selectable IrDA 1.4 return-to-zero-inverted (RZI) format with programmable pulse widths

• Two Inter-IC bus (IIC) Modules

— Multi-master operation

— Software programmable for one of 256 different serial clock frequencies

— Broadcast mode support

— 10-bit address support

• On-Chip Voltage Regulator

— Two parallel, linear voltage regulators with bandgap reference

— Low-voltage detect (LVD) with low-voltage interrupt (LVI)

— Power-on reset (POR) circuit

— 3.3V and 5V range operation

— Low-voltage reset (LVR)

• Low-power wake-up timer (API)

— Available in all modes including Full Stop Mode

— Trimmable to +-5% accuracy

— Time-out periods range from 0.2ms to ~13s with a 0.2ms resolution

• Input/Output

— Up to 152 general-purpose input/output (I/O) pins plus 2 input-only pins

— Hysteresis and confifigurable pull up/pull down device on all input pins

— Confifigurable drive strength on all output pins

• Package Options

— 208-pin MAPBGA

— 144-pin low-profifile quad flflat-pack (LQFP)

— 112-pin low-profifile quad flflat-pack (LQFP)

— 80-pin quad flflat-pack (QFP)

• 50MHz maximum CPU bus frequency, 100MHz maximum XGATE bus frequency

1.1.2 Modes of Operation

Memory map and bus interface modes:

• Normal and emulation operating modes

— Normal single-chip mode

— Normal expanded mode

— Emulation of single-chip mode

— Emulation of expanded mode

• Special Operating Modes

— Special single-chip mode with active background debug mode

— Special test mode (Freescale use only)

Low-power modes:

• System stop modes

— Pseudo stop mode

— Full stop mode with fast wake-up option

• System wait mode

Operating system states

• Supervisor state

• User state