■Multiple Expanded Register File Control Registers
and Two SPI Registers (Z86C06 only)
■One/Two Programmable 8-Bit Counter/Timers,
Each with a 6-Bit Programmable Prescaler
■Six Vectored, Priority Interrupts from Six Different
Sources
GENERAL DESCRIPTION
■Software-Enabled Watch-Dog Timer
■Power-On Reset Timer
■Two Standby Modes: STOP and HALT
■Two Comparators with Programmable Interrupt Polarity
■14 Input/Output Lines (Two with Comparator Inputs)
■On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC, RC, or External Clock Drive.
■Serial Peripheral Interface (SPI) (Z86C06 Only)
■Software Programmable Low EMI Mode
■ROM Protect Option
■Auto Latches
The Z86C03/C06 CCP™ (Consumer Controller Processors) are members of Zilog's the Z8® single-chip microcontroller family with enhanced wake-up circuitry, programmable watch-dog timers and low noise/EMI options.
These enhancements result in a more efficient, costeffective design and provide the user with increased
design flexibility over the standard Z8 microcontroller
core. With 512 and 1K bytes of ROM and 60 and 124 bytes
of general-purpose RAM, respectively, these low cost, low
power consumption CMOS microcontrollers offer fast execution, efficient use of memory, sophisticated interrupts,
input/output bit manipulation capabilities, and easy hardware/software system expansion.
DS95DZ80300
The Z86C03/C06 CCP architecture is characterized by
Zilog’s 8-bit microcontroller core with the addition of an
Expanded Register File to allow easy access to register
mapped peripheral and I/O circuits. The Z86C03/C06
offers a flexible I/O scheme, an efficient register and
address space structure, and a number of ancillary features that are useful in many consumer, automotive, and
industrial applications.
For applications demanding powerful I/O capabilities, the
Z86C03/C06 provides 14 pins dedicated to input and
output. These lines are grouped into two ports and are
configurable under software control to provide timing,
status signals, or parallel I/O.
1
GENERAL DESCRIPTION (Continued)
Three basic address spaces are available to support this
wide range of configurations: Program Memory, Register
File, and Expanded Register File. The Register File is
composed of 61/125 bytes of General-Purpose Registers,
two I/O Port registers, and 12/14 Control and Status registers. The Expanded Register File consists of three control
registers in the Z86C03, and four control registers, a SPI
Receive Buffer, and a SPI compare register in the Z86C06.
With powerful peripheral features such, as on-board comparators, counter/timer(s), Watch-Dog Timer (WDT), and
Serial Peripheral Interface (SPI) (C06 only), the Z86C03/
Z86C03/C06 CMOS Z8
®
8-BIT CCP
CONSUMER CONTROLLER PROCESSORS
C06 meets the needs of a variety of sophisticated controller applications (Figure 1).
Notes:
All Signals with a preceding front slash, "/", are active Low, e.g.:
B//W (WORD is active Low); /B/W (BYTE is active Low, only).
Power connections follow conventional descriptions below:
ConnectionCircuitDevice
PowerV
GroundGNDV
CC
V
DD
SS
™
InputOutput
Port 3
1/2
Counter/
Timers †
Interrupt
Control
T wo Analog
Comparators
Serial *
Peripheral
Interface
VccGNDXTAL
Machine
Timing & Inst.
Control
ALU
FLAG
Register
Pointer
Register File
78/145 x 8-
Bit
WDT, POR
Prg. Memory
512/1K x 8-
Program
Counter
Bit
DS95DZ80300
† Z86C03 has one counter/timer.
* Serial Peripheral Interface for the Z86C06 only.
The characteristics listed below apply for standard test
conditions as noted. All voltages are referenced to Ground.
Positive current flows into the referenced pin.
CAPACITANCE
TA = 25° C, VCC = GND = 0V, f = 1.0 MHz, unmeasured pins
returned to GND.
Stresses greater than those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; operation of the device at
any condition above those indicated in the operational
sections of these specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods
may affect device reliability.
[2] VSS = 0V = GND
[3] 5.0V ± 0.5V, 3.0V ± 0.3V.
[4] All outputs unloaded, I/O pins floating, inputs at rail.
[5] C
= CL2 = 47 pF
L1
[6] Same as note [4] except inputs at VCC.
Typ Max Unit Freq
< V
IN
CC
CC
CC
CC
[7] The input current must be limited to a maximum of 250 µA or less.
[8] Input bias current for comparitor inputs P31, P32, P33.
[9] Internal on-board RC is driving WDT.
[10] WDT is not running.
[11] System clock is external XTAL frequency divided by 2.
[12] Standard mode (not Low EMI Mode).
[13] The V
Zilog's products are not authorized for use as critical components in life support devices or systems unless a specific written
agreement pertaining to such intended use is executed between
the customer and Zilog prior to use. Life support devices or
systems are those which are intended for surgical implantation
into the body, or which sustains life whose failure to perform,
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to result in
significant injury to the user.
Zilog, Inc. 210 East Hacienda Ave.
Campbell, CA 95008-6600
Telephone (408) 370-8000
FAX 408 370-8056
Internet: http://www.zilog.com
9
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