PB022901‐1110
Zilog’s Z16FMC Series Flash Microcontroller
A 16‐bit Single‐Cycle CISC MCU Solution
Overview
Zilog’s Z16FMC Series MCU, a part of the Flash Motor Control family of devices, is a powerful 16‐bit CISC
microcontroller that outperforms most RISC microcontrollers in its class. The Z16FMC boasts a unique
architecture that provides the power, punch and performance of a 32‐bit micro with the code, current
efficiency and cost of a 16‐bit. The Z16FMC features Zilog’s ZNEO
®
CPU, which boasts a highly‐optimized
instruction set that achieves higher performance per clock cycle with less code space and lower overhead
than competing architectures. Optimized for motor control applications, these devices are designed for the
control of multiphase AC and DC variable‐speed motors. Target applications are large appliances, HVAC
and industrial.
This powerful yet simple core with sixteen 32‐bit general‐purpose registers supports complex CISC
addressing modes and a single‐cycle instruction set that includes frame pointer support, multi‐bit shift and
multi‐register push/pop as well as powerful 32‐bit math operations.
The Z16FMC Series features a flexible multi‐channel pulse width modulator (PWM) timer module with
three complementary pairs or six independent PWM outputs supporting dead‐band operation and fault
protection trip input. These features provide multiphase control capability for a variety of motor types and
ensure safe operation of the motor by providing Pulse‐by‐Pulse or latched fast shutdown of the PWM pins
during fault condition.
The Z16FMC Series also features up to twelve single‐ended channels of 10‐bit analog‐to‐digital conversion
with a sample and hold circuit plus one operational amplifier for current sampling and one comparator for
over‐current limiting or shutdown.
A high‐speed analog‐to‐digital converter (ADC) enables voltage, current and back‐EMF sensing, while dual‐
edge interrupts and a 16‐bit timer provide a Hall‐effect sensor interface.
Two full‐duplex 9‐bit UARTs provide serial asynchronous communication and support the local
interconnect network (LIN) serial communications protocol. The LIN bus is a cost‐efficient Single Master,
Multiple Slave organization that supports speeds up to 20 Kbps.
Z16FMC SERIES FLASH
MICROCONTROLLER
ADVANTAGES
EFFICIENT MOTOR CONTROL
OUT-OF-BOX SOLUTION
COST SAVINGS
EXPANDABLE SYSTEM
Z16FMC Series Flash Microcontroller Key Features
16‐bit optimized Single‐Cycle CISC core
Up to 128 KB of in‐circuit programmable Flash memory
Highly integrated Digital/Analog peripherals
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Operational Amplifier
Analog Comparator
Internal Precision Oscillator
4‐Channel DMA Controller
12‐bit PWM module with three complementary pairs or six independent PWM outputs
Flexible communication interface including a 9‐bit UART with LIN & IrDA, I2C, ESPI
12‐Channel, 10‐bit ADC with a 2.1μs conversion time
Motor Control Solutions
Z16FMC Series of Flash Microcontrollers
2
WIDE RANGE OF
APPLICATION MODELS
LARGE APPLIANCES
HVAC
INDUSTRIAL
POWER TOOLS
AUTOMOTIVE
Z16FMC Series Block Diagram
Z16FMC Core Features
Any register‐to‐any register architecture
20 MIPS throughput at 20 MHz
8‐, 16‐, and 32‐bit ALU operations
16‐bit bus widths
Built‐in 32 x 32 multiply operations
(signed and unsigned)
Built‐in 64 by 32 divide (unsigned)
Compiler friendly instruction set
A
DDITIONAL
I
NFORMATION
WWW.ZILOG.COM
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Documentation
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Additional Products
Z16FMC Flash Controller Detailed Feature Set
ZNEO
®
CPU Core
Zilog’s Z16FMC utilizes a ZNEO CPU which offers the highest level of performance and features in the FMC
product family and provides support for more complex motor control applications. The ZNEO CPU features
are as follows:
Pipelined architecture: Fetch, Decode, and Execute
16 MB of Program memory address space for object code and data with 8‐ or 16‐bit data paths
8‐, 16‐, and 32‐bit ALU operations
24‐bit stack with overflow protection
Direct any register‐to‐any register architecture allows each memory address to function as an
accumulator. This improves execution time and decreases the required program memory
New instructions improve execution efficiency for code developed using higher‐level programming
languages including ‘C’
On‐Chip Flash Memory
The products in the Z16FMC Series feature up to 128 KB of non‐volatile Flash memory with
read/write/erase capability. The Flash memory is programmed and erased in‐circuit by either user code or
through the On‐Chip Debugger (OCD). The Flash memory array is arranged in 2 KB pages. The 2 KB page is
the minimum Flash block size that is erased. The Flash memory is also divided into eight sectors, which is
protected from programming and erase operations on a per sector basis.
Motor Control Solutions
Z16FMC Series of Flash Microcontrollers
3
Analog Peripherals
The Z16FMC Series devices include a 12‐channel ADC. The ADC converts an analog input signal to a 10‐bit
binary number. The features of the successive approximation ADC include:
12 analog input sources multiplexed with GPIO ports.
2.5 μs conversion time
Automatic Time‐Tag of results
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Programmable timing controls
The Z16FMC devices feature a general‐purpose comparator and an operational amplifier.
Moderate speed comparator (200 ns propagation delay) with a maximum input offset of 5 mV
Two‐input, one‐output operational amplifier with a typical open loop gain of 10,000 (80 dB)
Communication Peripherals
The Z16FMC devices feature a rich array of communication peripherals, including:
UART
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LIN Master/Slave
IrDA Encoder/Decoder
Multiprocessor 9‐bit Mode
Enhanced SPI (ESPI)
I2C Master/Slave
Flexible Timers
The Z16FMC Series contains three 16‐bit reloadable timers used for timing, event counting, or generation
of Pulse Width Modulator (PWM) signals. The timers include the following features:
3‐Phase, 12‐bit PWM with 6 outputs
3, 16‐bit timers with 8 Modes
Watchdog timer with RC Oscillator
4‐Channel DMA Controller
The four DMA channels are used to transfer data from memory to memory, memory to peripherals,
peripherals to memory, or peripherals to peripherals. The features of DMA controller include:
Four independent DMA channels
Direct and Linked List Modes
Round‐Robin Channel Priority
Byte, word, or quad operation, up to 64K transfers (64 KByte, 64 KWord or 64 KQuad)
Flexible Interrupt Control
The Z16FMC Series includes offers interrupt control flexibility including:
8 External Rising or Falling Edge
4 External Dual Edge
Vectored or Polled Interrupts
24 Interrupts with 3 Programmable Priority Levels
Motor Control Solutions
Z16FMC Series of Flash Microcontrollers
4
Internal Precision Oscillator
The Z16FMC incorporates a fully integrated Internal Precision Oscillator (IPO) that eliminates the need for
external components. With nominal untrimmed accuracy of ±30%., and the ability to manually trim the
oscillator to achieve a ±4% frequency accuracy over the operating temperature and supply voltage range of
the device, the Z16FMC provides a best‐in‐class IPO feature set, including:
On‐chip RC oscillator which does not require external components
Nominal ±30% accuracy without trim or manually trim the oscillator to achieve a ± 4%
Typical output frequency of 5.5296 MHz or 32 kHz
Trimming possible through Flash option bits with user override
Eliminates crystals/ceramic resonators in applications where high timing accuracy is not required
Single‐Pin On‐Chip Debug
All of Zilog’s embedded Flash devices offer a uniquely integrated On‐Chip Debugger (OCD) that provides
the following advanced features:
Only 1 pin, frees up other pins
Unlimited Software Breakpoints
4 Hardware Breakpoints
In‐Circuit Flash Programming
Instruction Execution Trace
Z16FMC Development Tool Support
The Z16FMC devices are backed by a comprehensive development tools package that includes all the
necessary design essentials to get your Motor Control application up and running.
Z16FMC Series Development Board
USB Opto‐Isolated Smart Cable for PC to Z16FMC Series
5 V DC power supply
3 Phase Motor Control Application Board
The Z16FMC Series is also supported by ZDS II—Zilog’s Integrated Development Environment (IDE) with
ANSI C‐Compiler (available on www.zilog.com). The ZDS II IDE includes:
Sample Code
Product Specifications (Data Sheets)
Product Briefs
ZNEO® CPU User Manual
Z16FMC Series Motor Control Development Kit (part #: Z16FMC28200KITG)
Opto‐Isolated USB Smart Cable Accessory Kit (part #: ZUSBOPTSC01ZACG)
Hardware Tools & Part Number Ordering Information
Motor Control Solutions
Z16FMC Series of Flash Microcontrollers
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Z16FMC Design Architecture
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