Datasheet Z86317 Datasheet (ZILOG)

FEATURES

PRELIMINARY

P

RELIMINAR Y

C

USTOMER PROCUREMENT

Z86317

CMOS Z8® 8-BIT MICROCONTROLLER

S

PECIFICA TION

CMOS Z8® 8-BIT MCU

Z86317

Part ROM RAM* Speed I/O Package
Number (KB) (Bytes) (MHz) (18-Pin)

Z86317 2 124 4 13 DIP, SOIC

*General Purpose

■ 4.5- to 5.5-Volt Operating Range

■ 0°C to + 40°C Operating Temperature Range

■ Low-Power Consumption: 33 mW (Typical)

GENERAL DESCRIPTION

The Z86317 is a member of the Z8® family of CMOS
microcontrollers architected to be used in mouse applica­tions. These devices offer on-board pull-up and pull-down
resistors, a scalable trip-point buffer to accommodate
opto-transistor outputs, and high drive ports capable of up
to 10 mA current sinking per pin (six pins maximum).

A permanently enabled Watch-Dog Timer ensures opera­tional reliability across a broad range of mouse application
environments. The precision RC oscillator filters out high­frequency noise from the oscillator input pin. When config­ured as inputs, P24-P27 are configured as voltage divider
(25K pull-up / 7.5K pull-down). The input levels are ad­justed for connection to the emitters of the opto-transistors
and switch at a voltage level of 0.4 V

For applications requiring powerful I/O capabilities, the
Z86317 provides dedicated input and output lines that are
grouped into three ports. There are two basic address
spaces available to support this configuration: Program
Memory, and 124 bytes of general-purpose registers.

DD.

■ P24-P27 Can be Configured as a Voltage Divider

During Input Mode

■ On-Chip Precision RC Oscillator (Tolerance = ± 10%)

■ Fast Instruction Pointer: 1.5 µs @ 4 MHz

■ ESD Protection Circuitry

■ Hardwired Watch-Dog Timer (WDT)

The Z86317 device provides two on-chip 8-bit program­mable counter/timers with a large number of user-select­able modes. Each counter/timer is driven by its own 6-bit
programmable prescaler. The Z86317 counter/timers
offload system real-time tasks such as counting/timing
and input/output data communications for increased sys­tem efficiency.

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:

Connection Circuit Device

Power V

Ground GND V

CC

V

DD
SS

DS96KEY1102

1

PRELIMINARY

GENERAL DESCRIPTION (Continued)

CMOS Z8® 8-BIT MCU

Z86317

Input

Port 3

Counter/

Timers (2)

Interrupt

Control

VDD

ALU

FLAG

Register

Pointer

Register File

144 x 8-Bit

VSS

AGND

RCIN

Machine

Timing & Inst.

Control

Prg. Memory

2048 x 8-Bit

Program

Counter

Port 2

I/O

(Bit Programmable)

Figure 1. Z86317 Functional Block Diagram

Port 0

I/O

2

DS96KEY1102

PIN DESCRIPTIONS

PRELIMINARY

CMOS Z8® 8-BIT MCU

Z86317

P24
P25

P26
P27

VDD

RCIN

AGND

P31

NC

1
2
3
4
5
6
7
8
9

Z86317

18
17
16

15
14
13
12

11
10

P23
P22
P21
P20

Gnd
P02
P01
P00
P33

Figure 2. 18-Pin DIP/SOIC Pin Configuration

PIN FUNCTIONS

RCIN. A precision 1% resistor is connected to RCIN,

generating oscillation with an internal capacitor.

Table 2. Z86317 RC Frequency vs. External Precision Resistor

Table 1. 18-Pin DIP/SOIC Pin Identification

Pin # Symbol Function Direction

1-4 P24-P27 Port 2, Pins 4,5,6,7 In/Output
5VDDPower Supply Input
6 RCIN RC Oscillator Input
7 AGND Analog Ground Input
8 P31 Port 3, Pin 1 Input

9 NC Not Connected
10 P33 Port 3, Pin 3, Input
11-13 P00-P02 Port 0, Pins 0,1,2 In/Output
14 V

SS

Ground Input

15-18 P20-P23 Port 2, Pins 0,1,2,3 In/Output

Resistor values and corresponding frequencies are shown
in the following table and graph chart.

External Resistor Average Frequency

14K 4.140 MHz
16K 3.627 MHz

20K 2.925 MHz
22K 2.681 MHz

24K 2.462 MHz
26K 2.273 MHz

External Resistor Average Frequency

28K 2.121 MHz
30K 1.982 MHz

32K 1.856 MHz
34K 1.755 MHz

36K 1.657 MHz
38K 1.568 MHz

DS96KEY1102

3

STANDARD TEST CONDITIONS

PRELIMINARY

CMOS Z8® 8-BIT MCU

Z86317

The characteristics listed below apply for standard test
conditions as noted. All voltages are referenced to Ground.
Positive current flows into the referenced pin (Figure 3).

ABSOLUTE MAXIMUM RATINGS

Sym Parameter Min Max Units

V
T

STG

T

A

Notes:

* Voltages on all pins with respect to Ground.
† See Ordering Information.

Supply Voltage* –0.3 +7 V

DD

Storage Temp –65° +150° C
Oper Ambient Temp † † C

From Output

Under Test

150 pFI

Figure 3. Test Load Diagram

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.

CAPACITANCE

TA = GND = 0V, f = 1.0 MHz, unmeasured pins returned to Ground.

Parameter Min Max

Input Capacitance 0 10 pF
Output Capacitance 0 20 pF
I/O Capacitance 0 25 pF

VCC SPECIFICATION

VCC = 4.5V to 5.5V
When using the precision RC oscillator feature

f = 4.0 MHz ±10% under the following conditions:

■ V

= 5.0V ± 10%

CC

■ Temp 0 to 40°C

■ Application board capacitance: 2.0 pF max.

0.5 pF min.

4

DS96KEY1102

PRELIMINARY

DC ELECTRICAL CHARACTERISTICS

Symbol Parameter V

DD

CMOS Z8® 8-BIT MCU

Z86317

TA = 0°C to +40°C Typical

Min Max @ 25°C Units Conditions

V

CH

Clock Input High Voltage 5.5V 0.7 V

V

DD

+ 0.3 3.0 V Driven by External

DD

Clock Generator

V

CL

Clock Input Low Voltage 5.5V VSS – 0.3 0.2 V

DD

1.5 V Driven by External
Clock Generator

V

IH

Input High Voltage 5.5V 0.7 V

V

DD

+ 0.3 2.6 V

DD

Schmitt-Triggered

V

IH

Input High Voltage 5.5V 0.7 V

V

DD

+ 0.3 2.6 V

DD

CMOS Input

V

IL

Input Low Voltage 5.5V VSS – 0.3 0.2 V

DD

1.5 V

Schmitt-Triggered

V

IL

Input Low Voltage 5.5V VSS – 0.3 0.2 V

DD

2.4 V

CMOS Input

V

OH

V

OL1

V

OL2

Output High Voltage 5.5V VDD – 0.4 5.5 V IOH = –2.0 mA
Output Low Voltage 5.5V 0.4 0.1 V IOL = +4.0 mA
Output Low Voltage 5.5V 0.8 0.3 V IOL = 10.0 mA,

6 Pin Max

V

LV

V

TP

VCC Low Voltage Protection 2.5 3 2.7 V @ 2 MHz Max
Trip Point Voltage 5.5V 1.9 2.5 2.2 V P24-P27

4.5V 1.5 2.1 1.8 V

I

IL

I

OL

Input Leakage 5.5V –1.0 1.0 0.4 µAV
Output Leakage 5.5V –1.0 1.0 0.4 µAV

= OV, V

IN

= OV, V

IN

CC
CC

I

DD

Supply Current 5.5V 3.0 1.44 mA All Output and I/O Pins

5.5V 4.0 2.60 mA All Output and I/O Pins

5.5V 6.0 4.28 mA All Output and I/O Pins

I

DD1

Standby Current 5.5V 1.3 0.70 mA HALT mode VIN = 0V,

5.5V 1.5 0.80 mA HALT mode VIN = 0V,

5.5V 2.0 1.0 mA HALT mode VIN = 0V,

I

PU

Pull-Up Current 4.5V –20 µAV
P00-02 5.5 –85 µAV
P31, P33

I

PD

Pull-Down Current 4.5V +20 µAV
P00-02 5.5 +95 µAV
P31, P33

I

PU

Pull-Up Current 4.5V –450 µAV
P20, P22 5.5 –85 µAV

Notes:

The device is functional to VLV voltage. The minimum operational VDD is
determined by the value of the VLV voltage at ambient temperature. The
V

voltage increases as the temperature decreases.

LV

Floating @ 1 MHz
Floating @ 2 MHz
Floating @ 4 MHz

VCC @ 1 MHz
VCC @ 2 MHz
VCC @ 4 MHz

@ 3V

IH

@ 4V

IH

@ 1V

IL

@ 1V

IL

= 0V

IL

= 0V

IL

DS96KEY1102

5

PRELIMINARY

AC ELECTRICAL CHARACTERISTICS
Timing Diagrams

CMOS Z8® 8-BIT MCU

Z86317

6

DS96KEY1102

PRELIMINARY

CMOS Z8® 8-BIT MCU

AC ELECTRICAL CHARACTERISTICS

TA = 0°C to +40°C

1 MHz 4 MHz

No Symbol Parameter V

DD

1 TpC Input Clock Period 5.5V 1,000 100,000 250 100,000 ns [1]
2 TrC,TfC Clock Input Rise 5.5V 25 25 ns

and Fall Times
3 TwC Input Clock Width 5.5V 475 100 ns [1]
4 TwTinL Timer Input Low Width 5.5V 70 70 ns [1]
5 TwTinH Timer Input High Width 5.5V 2.5TpC 2.5TpC [1]
6 TpTin Timer Input Period 5.5V 4TpC 4TpC [1]
7 TrTin, Timer Input Rise 5.5V 100 100 ns [1]

TtTin and Fall Timer

8 TwIL Int. Request Input 5.5V 70 70 ns [1,2]

Low Time

Min Max Min Max Units Notes

Z86317

9 TwIH Int. Request Input 5.5V 2.5TpC 2.5TpC [1,2]

High Time
10 Twdt Watch-Dog Timer 5.5V 10 10 ms [1]

Time Out Timer
11 T

POR

Notes:

[1] Timing Reference uses 0.9 VDD for a logic 1 and 0.1 VDD for a logic 0.
[2] Interrupt request through Port 3 (P33-P31)

Power-On Reset Time 5.5V 2 2 ms [1]

DS96KEY1102

7

PRELIMINARY

CMOS Z8® 8-BIT MCU

Z86317

© 1996 by Zilog, Inc. All rights reserved. No part of this document
may be copied or reproduced in any form or by any means
without the prior written consent of Zilog, Inc. The information in
this document is subject to change without notice. Devices sold
by Zilog, Inc. are covered by warranty and patent indemnification
provisions appearing in Zilog, Inc. Terms and Conditions of Sale
only. Zilog, Inc. makes no warranty, express, statutory, implied or
by description, regarding the information set forth herein or
regarding the freedom of the described devices from intellectual
property infringement. Zilog, Inc. makes no warranty of mer­chantability or fitness for any purpose. Zilog, Inc. shall not be
responsible for any errors that may appear in this document.
Zilog, Inc. makes no commitment to update or keep current the
information contained in this document.

8

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 [phone]
FAX [phone]
Internet: http://www.zilog.com

DS96KEY1102