MC9S12DT128E General Description
This section describes signals that connect off-chip. It includes a pinout diagram, a table of signal properties, and detailed discussion of signals. It is built from the signal description sections of the Block User Guides of the individual IP blocks on the device.
MC9S12DT128E Features
• HCS12 Core
16-bit HCS12 CPU
i. Upward compatible with M68HC11 instruction set
ii. Interrupt stacking and programmer's model identical to M68HC11
iii.20-bit ALU
iv. Instruction queue
v. Enhanced indexed addressing
MEBI (Multiplexed External Bus Interface)
MMC (Module Mapping Control)
INT (Interrupt control)
BKP (Breakpoints)
BDM (Background Debug Module)
• CRG (Clock and Reset Generator)
Choice of low current Colpitts oscillator or standard Pierce Oscillator
PLL
COP watchdog
real time interrupt
clock monitor
• 8-bit and 4-bit ports with interrupt functionality
Digital filtering
Programmable rising or falling edge trigger
Memory
128K Flash EEPROM
2K byte EEPROM
8K byte RAM
Two 8-channel Analog-to-Digital Converters
10-bit resolution
External conversion trigger capability
Three 1M bit per second, CAN 2.0 A, B software compatible modules
Five receive and three transmit buffers
Flexible identifier filter programmable as 2 x 32 bit, 4 x 16 bit or 8x8bit
Four separate interrupt channels for Rx, Tx, error and wake-up
Low-pass filter wake-up function
Loop-back for self test operation
Enhanced Capture Timer
16-bit main counter with 7-bit prescaler
8 programmable input capture or output compare channels
Four 8-bit or two 16-bit pulse accumulators
• 8 PWM channels
Programmable period and duty cycle
8-bit 8-channel or 16-bit 4-channel
Separate control for each pulse width and duty cycle
Center-aligned or left-aligned outputs
Programmable clock select logic with a wide range of frequencies
Fast emergency shutdown input
Usable as interrupt inputs
• Serial interfaces
Two asynchronous Serial Communications Interfaces (SCI)
Two Synchronous Serial Peripheral Interface (SPI)
Byteflight
• Byte Data Link Controller (BDLC)
MC9S12DT128E Connection Diagram
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