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