1 Summary of Features
For a quick overview and easy reference, the features of the XE161xL are summarized
here.
• High-performance CPU with five-stage pipeline and MPU
– 12.5 ns instruction cycle @ 80 MHz CPU clock (single-cycle execution)
– One-cycle 32-bit addition and subtraction with 40-bit result
– One-cycle multiplication (16 × 16 bit)
– Background division (32 / 16 bit) in 21 cycles
– One-cycle multiply-and-accumulate (MAC) instructions
– Enhanced Boolean bit manipulation facilities
– Zero-cycle jump execution
– Additional instructions to support HLL and operating systems
– Register-based design with multiple variable register banks
– Fast context switching support with two additional local register banks
– 16 Mbytes total linear address space for code and data
– 1,024 Bytes on-chip special function register area (C166 Family compatible)
– Integrated Memory Protection Unit (MPU)
• Interrupt system with 16 priority levels providing 64 interrupt nodes
– Selectable external inputs for interrupt generation and wake-up
– Fastest sample-rate 12.5 ns
• Eight-channel interrupt-driven single-cycle data transfer with
Peripheral Event Controller (PEC), 24-bit pointers cover total address space
• Clock generation from internal or external clock sources,
using on-chip PLL or prescaler
• Hardware CRC-Checker with Programmable Polynomial to Supervise On-Chip
Memory Areas
• On-chip memory modules
– 2 Kbytes on-chip dual-port RAM (DPRAM)
– 6 Kbytes on-chip data SRAM (DSRAM)
– 4 Kbytes on-chip program/data SRAM (PSRAM)
– Up to 160 Kbytes on-chip program memory (Flash memory)
– Memory content protection through Error Correction Code (ECC) for Flash
memory and through parity for RAMs
• On-Chip Peripheral Modules
– Synchronizable 12-bit A/D Converter with up to 10 channels,
conversion time below 1 μs, optional data preprocessing (data reduction, range
check), broken wire detection
– 16-channel general purpose capture/compare unit (CC2)
– Two capture/compare units for flexible PWM signal generation (CCU6x)
– Multi-functional general purpose timer unit with 5 timers
– Up to 4 serial interface channels to be used as UART, LIN, high-speed
synchronous channel (SPI/QSPI), IIC bus interface (10-bit addressing, 400 kbit/s),
IIS interface
– On-chip MultiCAN interface (Rev. 2.0B active) with up to 32 message objects
(Full CAN/Basic CAN) on 2 CAN nodes and gateway functionality
– On-chip system timer and on-chip real time clock
• Single power supply from 3.0 V to 5.5 V
• Power reduction and wake-up modes with flexible power management
• Programmable window watchdog timer and oscillator watchdog
• Up to 33 general purpose I/O lines
• On-chip bootstrap loaders
• Supported by a full range of development tools including C compilers, macroassembler
packages, emulators, evaluation boards, HLL debuggers, simulators,
logic analyzer disassemblers, programming boards
• On-chip debug support via Device Access Port (DAP), Single-Pin DAP (SPD) or
JTAG interface
• 48-pin Green VQFN package, 0.5 mm (10.7 mil) pitch