ZILOG Z8631804PEC, Z8631804PSC, Z8631804SEC, Z8631804SSC Datasheet

PRELIMINARY PRODUCT SPECIFICATION

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Z86318

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Z8® MCU 8-BIT MICROCONTROLLER

FEATURES

	ROM	RAM*	I/O	Voltage
Device	(KB)	(Bytes)	Lines	Range
Z86318	124	14	21	0V to 6.0V

Note: *General-Purpose

■–40°C to +105°C Operating Temperature Range

■Low-Power Consumption: 33 mW (Typical)

■ROM Mask Options:

– Permanent Watch-Dog Timer

–ROM Protect

–Low-Voltage Protection

–Pull-Up/Pull-Down I/O Pins (Nibble Programmable)

–Feedback Resistor on the On-Chip Oscillator

■On-Chip Oscillator (Crystal, Ceramic Resonator, LC, or External Clock Drive)

■Fast Instruction Pointer: 1.5 s @ 4 MHz

■ESD Protection Circuitry

GENERAL DESCRIPTION

The Z86318 is a member of the Z8® MCU family of CMOS microcontrollers. This device offers on-board pull-up and pull-down resistors (ROM mask-option programmable on a nibble basis), a scalable trip-point buffer to accommodate opto-transistor outputs, and high drive ports capable of up to 20 mA current sinking per pin (3 pins maximum).

The Z86318 features I/O Ports (IOL = 20 mA at VOL = 0.8V, 3 pins max.) to provide increased current sinking capabilities. These devices also offer users a selection of ROM mask options, which include a permanently enabled Watch-Dog Timer that ensures operational reliability across a broad range of application environments.

For applications requiring powerful I/O capabilities, the Z86318 provides dedicated input and output lines that are grouped into three ports. These ports can be configured by means of ROM mask options (nibble-programmable) as pull ups, pull downs, or neither. There are two basic address spaces available. Program Memory, and 124 bytes of general-purpose registers.

The Z86318 devices provide 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 Z86318 counter/timers off-load 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	VCC	VDD
Ground	GND	VSS

DS96KEY0103 (8/96)

P R E L I M I N A R Y

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Z86318

Z8® MCU 8-Bit Microcontroller

GENERAL DESCRIPTION (Continued)

Input

VDD VSS

XTAL

Machine

Port 3

Timing & Inst.

Control

ALU

Counter/

Prg. Memory

Timers (2)

FLAG

3072 x 8-Bit (318)

2048 x 8-Bit (319)

Register

Interrupt

Pointer

Program

Control

Counter

Register File

144 x 8-Bit

Port 2

Port 0

I/O I/O

(Bit Programmable)

Figure 1. Z86318 Functional Block Diagram

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Z86318

Z8® MCU 8-Bit Microcontroller

PIN DESCRIPTIONS

P24		1	18		P23	Table 1. Z86318 18 Pin DIP/SOIC Pin Identification
P25		2	17		P22
						Pin #	Symbol	Function	Direction
P26		3	16		P21
						1-4	P24-P27	Port 2, Pins 4, 5, 6, 7	In/Output
P27
		4	15		P20	5	VDD	Power Supply	Input
VDD		5	Z86318 14		VSS	6	XTAL2	XTAL Osc. Clock	Output
XTAL2		6	13		P02	7	XTAL1	XTAL Osc. Clock	Input
						8	P31	Port 3, Pin 1	Input
XTAL1
		7	12		P01	9	P32	Port 3, Pin 2	Input
P31		8	11		P00	10	P33	Port 3, Pin 3	Input
						11-13	P00-P02	Port 0, Pins 0, 1, 2	In/Output
P32		9	10		P33
						14	VSS	Ground
						15-18	P20-P23	Port 2, Pins 0, 1, 2, 3	In/Output

Figure 2. Z86318 18-Pin DIP/SOIC

Pin Configuration

ABSOLUTE MAXIMUM RATINGS

Sym.	Parameter	Min.	Max.	Units
VDD	Supply Voltage*	–0.3	+7	V
TSTG	Storage Temp.	–65°	+150°	C
TA	Oper. Ambient Temp.	†	†	C
Note:

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

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.

P R E L I M I N A R Y

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Z86318

Z8® MCU 8-Bit Microcontroller

STANDARD TEST CONDITIONS

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).

From Output

Under Test

I								150 pF

Figure 3. Test Load Diagram

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 = 4.0V to 6.0V

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Z86318

Z8® MCU 8-Bit Microcontroller

DC ELECTRICAL CHARACTERISTICS

			TA= 0°C to +70°C		Typical
Sym	Parameter	VDD	Min	Max	@ 25°C	Units	Conditions
	Max Input Voltage	4.0V		12		V	VIN < 250 A (Port Pins Only)
VCH	Clock Input High	4.0V	0.7 VDD	VDD + 0.3	2.0	V	Driven by External Clock Generator
	Voltage	6.0V	0.7 VDD	VDD + 0.3	3.0	V
VCL	Clock Input Low	4.0V	VSS – 0.3	0.2 VDD	0.8	V	Driven by External Clock Generator
	Voltage	6.0V	VSS – 0.3	0.2 VDD	1.5	V
VIH	Input High Voltage	4.0V	0.7 VDD	VDD + 0.3	1.6	V
	Schmitt-Triggered	6.0V	0.7 VDD	VDD + 0.3	2.6	V
VIH	Input High Voltage	4.0V	0.7 VDD	VDD + 0.3	1.4	V
	CMOS Input	6.0V	0.7 VDD	VDD + 0.3	2.6	V
VIL	Input Low Voltage	4.0V	VSS – 0.3	0.2 VDD	0.8	V
	Schmitt-Triggered	6.0V	VSS – 0.3	0.2 VDD	1.5	V
VIL	Input Low Voltage	4.0V	VSS – 0.3	0.2 VDD	1.3	V
	CMOS Input	6.0V	VSS – 0.3	0.2 VDD	2.4	V
VOH	Output High	4.0V	VDD – 0.4		2.8	V	IOH = –2.0 mA
	Voltage	4.5V	VDD – 0.4		4.4	V
VOL1	Output Low Voltage	4.0V		0.6	0.2	V	IOL = +4.0 mA
		6.0V		0.4	0.1	V
VOL2	Output Low Voltage	4.0V		1.5	0.8	V	IOL = 20.0 mA, 3 Pin Max
		6.0V		0.8	0.3	V	OL = 10.0 mA, 6 Pin Max
VLV	VCC Low-Voltage		1.6	2.7	2.3	V	@ 2 MHz Max
	Protection*
VTP	Trip-Point Voltage*	4.0V		0.4 VDD		V	P24-P27
		4.5V	1.5	2.1	1.8	V
		5.5V	1.9	2.5	2.2	V
		6.0V	2.1	2.7	2.4	V
VOC	Input Open-Circuit	4.5V	0.95	1.15	1.04	V	No Off-Chip Resistance
	Voltage	5.0V	1.05	1.25	1.15	V
		5.5V	1.15	1.39	1.27	V
		6.0V	1.25	1.49	1.37	V
IIL	Input Leakage	3.0V	–1.0	1.0	0.4	A	VIN = 0V, VCC
		5.5V	–1.0	1.0	0.4	A
		6.0V	–1.0	1.0	0.4	A
IOL	Output Leakage	4.0V	–1.0	1.0	0.4	A	VIN = 0V, VCC
		5.5V	–1.0	1.0	0.4	A
		6.0V	–1.0	1.0	0.4	A

Note:

*The Z86318 is functional to VLV voltage. The minimum operational VDD is determined by the value of the VLV voltage at ambient temperature. The VLV voltage increases as temperature decreases.

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Z86318

Z8® MCU 8-Bit Microcontroller

DC ELECTRICAL CHARACTERISTICS (Continued)

			TA= 0°C to +70°C		Typical
Sym.	Parameter	VDD	Min.	Max.	@ 25°C	Units Conditions		Notes
IDD	Supply Current	4.0V		1.5	0.41	mA	@ 1 MHz	[1]
		4.0V		2.0	0.93	mA	@ 2 MHz	[1]
		4.0V		3.0	1.64	mA	@ 4 MHz	[1]
		6.0V		3.0	1.44	mA	@ 1 MHz	[1]
		6.0V		4.0	2.60	mA	@ 2 MHz	[1]
		6.0V		6.0	4.28	mA	@ 4 MHz	[1]
IDD1	Standby Current	4.0V		0.6	0.15	mA	HALT mode VIN = 0V, VCC @ 1 MHz
		4.0V		0.8	0.20	mA	HALT mode VIN = 0V, VCC @ 2 MHz
		4.0V		1.0	0.3	mA	HALT mode VIN = 0V, VCC @ 4 MHz
		6.0V		1.3	0.70	mA	HALT mode VIN = 0V, VCC @ 1 MHz
		6.0V		1.5	0.80	mA	HALT mode VIN = 0V, VCC @ 2 MHz
		6.0V		2.0	1.0	mA	HALT mode VIN = 0V, VCC @ 4 MHz
IDD2	Standby Current	6.0V		10	1.5	mA	STOP mode VIN = 0V, VCC
IPU	Pull-Up Current (100K)	4.5V	-20			A	VIH @ 1V
	Port P00–P02;	6.0V		105			VIH @ 1V
	Port P22, P23;
	Port P31–P33
IPD	Pull-Down Current (100K)	4.5V	20			A	VIL @ 3V
	Port P00–P02;	6.0V		114			VIL @ 4V
	Port P22, P23;
	Port P31–P33
IPU	Pull-Up Current (10K)	4.5V	208			A	VIH @ 0V
	Port P20, P21	6.0V		870			VIH @ 0V
IPD	Pull-Down Current (10K)	4.5V	170			A	VIH @ 3V
	Port P20, P21	6.0V		870			VIH @ 3V

Note: [1] All outputs unloaded, I/O pins floating, inputs at rail.

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Z86318

Z8® MCU 8-Bit Microcontroller

AC ELECTRICAL CHARACTERISTICS

Timing Diagrams

1

3

Clock

2

2

3

7 7

TIN

4 5

6

IRQ N

8

9

Figure 4. Electrical Timing Diagram

P R E L I M I N A R Y

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Z86318

Z8® MCU 8-Bit Microcontroller

AC ELECTRICAL CHARACTERISTICS

(VDD = 4V to 6V ±10%, TA = 0°C to +70°C, unless otherwise specified)

					TA = 0°C to +70°C
				1 MHz		4 MHz
No.	Symbol	Parameter	VDD	Min.	Max.	Min.	Max.	Units	Notes
1	TpC	Input Clock Period	6.0V	1,000	100,000	250	100,000	ns	[1]
2	TrC,TfC	Clock Input Rise	6.0V		25		25	ns
		and Fall Times
3	TwC	Input Clock Width	6.0V		475		100	ns	[1]
4	TwTinL	Timer Input Low Width	6.0V		70		70	ns	[1]
5	TwTinH	Timer Input High Width	6.0V	2.5TpC		2.5TpC			[1]
6	TpTin	Timer Input Period	6.0V	4TpC		4TpC			[1]
7	TrTin,	Timer Input Rise	6.0V		100		100	ns	[1]
	TtTin	and Fall Timer
8	TwIL	Int. Request Input	6.0V	70		70		ns	[1,2]
		Low Time
9	TwIH	Int. Request Input	6.0V	2.5TpC		2.5TpC			[1,2]
		High Time
10	Twdt	Watch-Dog Timer	6.0V	24		24		ms
11	TPOR	Power-On Reset Time	6.0V	6		6		ms	[1]

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).

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