Z86L82/Z86L85
28-Pin Low-Voltage IR
Microcontrollers
Product Specification
PS009009-0804
ZiLOG Worldwide Headquarters • 532 Race Street • San Jose, CA 95126-3432
Telephone: 408.558.8500 • Fax: 408.558.8300 •
www.ZiLOG.com
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532 Race Street
San Jose, CA 95126-3432
Telephone: 408.558.8500
Fax: 408.558.8300
www.ZiLOG.com
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service names mentioned herein may be trademarks of the companies with which they are associated.
Document Disclaimer
©2004 by ZiLOG, Inc. All rights reserved. Information in this publication concerning the devices, applications, or
technology described is intended to suggest possible uses and may be superseded. ZiLOG, INC. DOES NOT
ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY OF THE INFORMATION, DEVICES,
OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT. ZiLOG ALSO DOES NOT ASSUME LIABILITY FOR
INTELLECTUAL PROPERTY INFRINGEMENT RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES,
OR TECHNOLOGY DESCRIBED HEREIN OR OTHERWISE. Devices sold by ZiLOG, Inc. are covered by warranty
and limitation of liability provisions appearing in the ZiLOG, Inc. Terms and Conditions of Sale. ZiLOG, Inc. makes no
warranty of merchantability or fitness for any purpose. Except with the express written approval of ZiLOG, use of
information, devices, or technology as critical components of life support systems is not authorized. No licenses are
conveyed, implicitly or otherwise, by this document under any intellectual property rights.
PS009009-0804
Z86L82/Z86L85
28-Pin Low-Voltage IR Microcontrollers
iii
Table of Contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Standard Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
XTAL1 Crystal 1 (Time-Based Input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
XTAL2 Crystal 2 (Time-Based Output) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 0 (P07–P00) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 2 (P27–P20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 3 (P37–P31) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comparator Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comparator Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expanded Register File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer Functional Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HALT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port Configuration Register (PCON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop-Mode Recovery Register (SMR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop-Mode Recovery Register 2 (SMR2) . . . . . . . . . . . . . . . . . . . . . . . . . .
Watch-Dog Timer Mode Register (WDTMR) . . . . . . . . . . . . . . . . . . . . . . . .
Mask Selectable Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
13
13
13
15
16
17
17
19
19
19
19
32
33
34
43
54
56
57
58
58
59
59
64
65
68
PS009009-0804
Table of Contents
Z86L82/Z86L85
28-Pin Low-Voltage IR Microcontrollers
iv
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Z86L82/85/88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Customer Feedback Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Return Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Problem Description or Suggestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
73
73
73
73
73
PS009009-0804
Table of Contents
Z86L82/Z86L85
28-Pin Low-Voltage IR Microcontrollers
v
List of Figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Figure 23.
Figure 24.
Figure 25.
Figure 26.
Figure 27.
Figure 28.
Figure 29.
Figure 30.
Counter/Timers Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
28-Pin DIP/SOIC Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Test Load Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Port 0 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Port 2 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Port 3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Port 3 Counter/Timer Output Configuration . . . . . . . . . . . . . . . . . . . 18
Program Memory Map (16K ROM) . . . . . . . . . . . . . . . . . . . . . . . . . 19
Expanded Register File Architecture . . . . . . . . . . . . . . . . . . . . . . . . 21
Register Pointer Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
TC8 Control Register—(0D) OH: Read/Write
Except Where Noted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
T8 and T16 Common Control Functions—(0D) 1H:
Read/Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
T16 Control Register—(0D) 2H: Read/Write
Except Where Noted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Stop-Mode Recovery Register—(0F) 0BH: D6–D0 = Write Only,
D7 = Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Stop-Mode Recovery Register 2—(0F) 0DH: D2–D4,
D6 Write Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Watch-Dog Timer Register—(0F) 0FH: Write Only . . . . . . . . . . . . . 27
Port Configuration Register (PCON)—(0F) 0H: Write Only . . . . . . . 27
Port 2 Mode Register—F6H: Write Only . . . . . . . . . . . . . . . . . . . . . 28
Port 3 Mode Register—F7H: Write Only . . . . . . . . . . . . . . . . . . . . . 28
Port 0 and 1 Mode Register (F8h: Write Only) . . . . . . . . . . . . . . . . 29
Interrupt Priority Register—F9H: Write Only . . . . . . . . . . . . . . . . . . 30
Interrupt Request Register—FAH: Read/Write . . . . . . . . . . . . . . . . 30
Interrupt Mask Register—FBH: Read/Write . . . . . . . . . . . . . . . . . . . 31
Flag Register—FCH: Read/Write . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Register Pointer—FDH: Read/Write . . . . . . . . . . . . . . . . . . . . . . . . 32
Stack Pointer High—FEH: Read/Write . . . . . . . . . . . . . . . . . . . . . . 32
Stack Pointer Low—FFH: Read/Write . . . . . . . . . . . . . . . . . . . . . . . 32
Register Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
PS009009-0804
List of Figures
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EEWORLD
