Z86L81/86/98
28-Pin Low-Voltage
Infrared Microcontrollers
Product Specification
PS006405-1005
ZiLOG Worldwide Headquarters • 532 Race Street • San Jose, CA 95126-3432
Telephone: 408.558.8500 • Fax: 408.558.8300 •
www.ZiLOG.com
This publication is subject to replacement by a later edition. To determine whether a later edition
exists, or to request copies of publications, contact:
ZiLOG Worldwide Headquarters
532 Race Street
San Jose, CA 95126-3432
Telephone: 408.558.8500
Fax: 408.558.8300
www.ZiLOG.com
ZiLOG is a registered trademark of ZiLOG Inc. in the United States and in other countries. All other products and/or
service names mentioned herein may be trademarks of the companies with which they are associated.
Document Disclaimer
©2005 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technology described is intended to suggest possible uses and may be superseded.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.
PS006405-1005
Z86L81/86/98
28-Pin Low-Voltage Infrared Microcontrollers
iii
Table of Contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Standard Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Additional Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Standard Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expanded Register File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer Functional Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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21
21
23
26
26
27
28
36
Expanded Register File Control Registers (0D) . . . . . . . . . . . . . . . . . . . . . . . . 64
Expanded Register File Control Registers (0F) . . . . . . . . . . . . . . . . . . . . . . . . . 69
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
PS006405-1005
Z86L81/86/98
28-Pin Low-Voltage Infrared Microcontrollers
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List of Figures
Counter/Timers Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
28-Pin DIP/SOIC/SSOP Pin Assignment . . . . . . . . . . . . . . . . . . . . . 6
Test Load Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Additional Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Port 0 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Port 2 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Port 3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Port 3 Counter/Timer Output Configuration . . . . . . . . . . . . . . . . . . . 20
Program Memory Map (64 KB ROM) . . . . . . . . . . . . . . . . . . . . . . . 22
Expanded Register File Architecture . . . . . . . . . . . . . . . . . . . . . . . . 24
Register Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Register Pointer—Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Glitch Filter Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Transmit Mode Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8-Bit Counter/Timer Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
T8_OUT in Single-Pass Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
T8_OUT in Modulo-N Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Demodulation Mode Count Capture Flowchart . . . . . . . . . . . . . . . . 42
Demodulation Mode Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
16-Bit Counter/Timer Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
T16_OUT in Single-Pass Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
T16_OUT in Modulo-N Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Ping-Pong Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Output Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Interrupt Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Oscillator Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Port Configuration Register (PCON) (Write Only) . . . . . . . . . . . . . . 54
Stop-Mode Recovery Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
SCLK Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Stop-Mode Recovery Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Stop-Mode Recovery Register 2 ((0F) DH:D2–D4, D6
Write Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure 33. Watch-Dog Timer Mode Register (Write Only) . . . . . . . . . . . . . . . . 60
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.
Figure 31.
Figure 32.
PS006405-1005
Z86L81/86/98
28-Pin Low-Voltage Infrared Microcontrollers
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Figure 34. Resets and WDT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 35. T8 Control Register ((0D) OH: Read/Write Except
Where Noted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 36. T8 and T16 Common Control Functions ((0D) 1h: Read/Write) . . .
Figure 37. T16 Control Register ((0D) 2h: Read/Write Except
Where Noted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 38. Low-Voltage Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 39. Stop-Mode Recovery Register ((0F) 0Bh: D6–D0=Write Only,
D7=Read Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 40. Stop-Mode Recovery Register 2 ((0F) 0Dh:D2–D4, D6
Write Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 41. Watch-Dog Timer Register ((0F) 0Fh: Write Only) . . . . . . . . . . . . .
Figure 42. Port Configuration Register (PCON) ((0F) 0h: Write Only) . . . . . . .
Figure 43. Port 2 Mode Register (F6h: Write Only) . . . . . . . . . . . . . . . . . . . . .
Figure 44. Port 3 Mode Register (F7h: Write Only) . . . . . . . . . . . . . . . . . . . . .
Figure 45. Port 0 and 1 Mode Register (F8h: Write Only) . . . . . . . . . . . . . . . .
Figure 46. Interrupt Priority Register (F9h: Write Only) . . . . . . . . . . . . . . . . . .
Figure 47. Interrupt Request Register (FAh: Read/Write) . . . . . . . . . . . . . . . . .
Figure 48. Interrupt Mask Register (FBh: Read/Write) . . . . . . . . . . . . . . . . . . .
Figure 49. Flag Register (FCh: Read/Write) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 50. Register Pointer (FDh: Read/Write) . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 51. Stack Pointer High (FEh: Read/Write) . . . . . . . . . . . . . . . . . . . . . . .
Figure 52. Stack Pointer Low (FFh: Read/Write) . . . . . . . . . . . . . . . . . . . . . . .
Figure 53. 28-Pin DIP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 54. 28-Pin SOIC Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 55. 28-Pin SSOP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .
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PS006405-1005
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