SPMCK16Z4MPV20 datasheet(27/500 Pages) FREESCALE

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M68HC16 Z SERIES

INTRODUCTION

USER’S MANUAL

1-1

SECTION 1

INTRODUCTION

M68HC16 Z-series microcontrollers (including the MC68HC16Z1, MC68CM16Z1,

MC68CK16Z1, MC68HC16Z2, MC68HC16Z3, MC68HC16Z4, and MC68CK16Z4)

are high-speed 16-bit control units that are upwardly code compatible with M68HC11

controllers. All are members of the M68HC16 Family of modular microcontrollers.

M68HC16 microcontroller units (MCUs) are built from standard modules that interface

via a common internal bus. Standardization facilitates rapid development of devices

tailored for specific applications.

M68HC16 Z-series MCUs incorporate a number of different modules. Refer to Table

1-1 for information on the contents of a specific Z-series MCU. (X) indicates that the

module is used in the MCU. All of these modules are interconnected by the intermod-

ule bus (IMB).

The maximum system clock for M68HC16 Z-series MCUs can be either 16.78 MHz,

20.97 MHz, or 25.17 MHz. An internal phase-locked loop circuit synthesizes the sys-

tem clock from a slow (typically 32.768 kHz) or fast (typically 4.194 MHz) reference, or

uses an external frequency source. Refer to Table 1-2 for information on which refer-

ence frequency is applied to a particular MCU. (X) indicates the reference frequency

applicable to the MCU.

Table 1-1 M68HC16 Z-Series MCUs

Modules

MC68HC16Z1

MC68CK16Z11

MC68CM16Z11

NOTES:

1. “C” designator indicates a 2.7V to 3.6V part; “M” indicates a fast reference frequency and “K” indicates a slow

reference frequency. “HC” stands for HCMOS.

MC68HC16Z2

MC68HC16Z3

MC68HC16Z4

MC68CK16Z41

Central Processor Unit (CPU16)

—

Low-Power Central Processor

Unit (CPU16L)

———

System Integration Module (SIM)

—

Low-Power System Integration

Module (SIML)

———

Standby RAM (SRAM)

1 Kbyte

2 Kbytes

4 Kbytes

1 Kbyte

Masked ROM Module (MRM)

—

8 Kbytes

—

Analog-to-Digital Converter (ADC)

XXXX

Queued Serial Module (QSM)

—

Multichannel Communication

Interface (MCCI)

———

General-Purpose Timer (GPT)

XXXX

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